polish soil classification, 6th edition – principles
TRANSCRIPT
71Polish Soil Classification, 6th edition – principles, classification scheme and correlationsSOIL SCIENCE ANNUALVol. 70 No. 2/2019: 71–97
DOI: 10.2478/ssa-2019-0009
http://ssa.ptg.sggw.pl/issues/2019/702* prof. dr hab. Cezary Kaba³a, e-mail: [email protected] No: +48 71 3201943
CEZARY KABA£A1*, PRZEMYS£AW CHARZYÑSKI2, JACEK CHODOROWSKI3,MAREK DREWNIK4, BART£OMIEJ GLINA5, ANDRZEJ GREINERT6, PIOTR HULISZ2,MICHA£ JANKOWSKI2, JERZY JONCZAK7, BEATA £ABAZ1, ANDRZEJ £ACHACZ8,
MARIAN MARZEC9, £UKASZ MENDYK5, PRZEMYS£AW MUSIA£10, £UKASZ MUSIELOK4,BO¯ENA SMRECZAK11, PAWE£ SOWIÑSKI8, MARCIN ŒWITONIAK2, £UKASZ UZAROWICZ7,
JAROS£AW WAROSZEWSKI1
1 Wroc³aw University of Environmental and Life Sciences, Institute of Soil Science and Environmental Protectionul. Grunwaldzka 53, 50-375 Wroc³aw, Poland
2 Nicolai Copernicus University in Toruñ, Faculty of Earth Sciences, Department of Soil Science and Landscape Managementul. Lwowska 1, 87-100 Toruñ, Poland
3 Maria Curie-Sk³odowska University in Lublin, Department of Geology and Soil Science, ul. Kraœnicka 2cd,20-718 Lublin, Poland
4 Jagiellonian University, Institute of Geography and Spatial Management, Department of Pedology and Soil Geographyul. Gronostajowa 7, 30-387 Kraków, Poland
5 Poznañ University of Life Sciences, Department of Soil Science and Land Protectionul. Szyd³owska 50, 60-656 Poznañ, Poland
6 University of Zielona Góra, Institute of Environmental Engineeringul. Szafrana 15, 65-516 Zielona Góra, Poland
7 Warsaw University of Life Sciences – SGGW, Department of Soil Environment Sciences,ul. Nowoursynowska 159, 02-776 Warsaw, Poland
8 University of Warmia and Mazury in Olsztyn, Department of Soil Science and Land ReclamationPlac £ódzki 3, 10-727 Olsztyn, Poland
9 Bureau for Forest Management and Geodesyul. Piastowska 9, 49-300 Brzeg, Poland
10 Bureau for Forest Management and Geodesyul. Leœników 21, Sêkocin Stary, 05-090 Raszyn, Poland
11 Institute of Soil Science and Plant Cultivationul. Czartoryskich 8, 24-100 Pu³awy, Poland
Polish Soil Classification, 6th edition – principles, classificationscheme and correlations
Abstract: The sixth edition of the Polish Soil Classification (SGP6) aims to maintain soil classification in Poland as a modernscientific system that reflects current scientific knowledge, understanding of soil functions and the practical requirements ofsociety. SGP6 continues the tradition of previous editions elaborated upon by the Soil Science Society of Poland in consistentapplication of quantitatively characterized diagnostic horizons, properties and materials; however, clearly referring to soil genesis.The present need to involve and name the soils created or naturally developed under increasing human impact has led to moderni-zation of the soil definition. Thus, in SGP6, soil is defined as the surface part of the lithosphere or the accumulation of mineral andorganic materials permanently connected to the lithosphere (through buildings or permanent constructions), coming from weathe-ring or accumulation processes, originated naturally or anthropogenically, subject to transformation under the influence of soil-forming factors, and able to supply living organisms with water and nutrients. SGP6 distinguishes three hierarchical categories:soil order (nine in total), soil type (basic classification unit; 30 in total) and soil subtype (183 units derived from 62 uniquedefinitions; listed hierarchically, separately in each soil type), supplemented by three non-hierarchical categories: soil variety(additional pedogenic or lithogenic features), soil genus (lithology/parent material) and soil species (soil texture). Non-hierarchi-cal units have universal definitions that allow their application in various orders/types, if all defined requirements are met. Thepaper explains the principles, classification scheme and rules of SGP6, including the key to soil orders and types, explaining therelationships between diagnostic horizons, materials and properties distinguished in SGP6 and in the recent edition of WRBsystem as well as discussing the correlation of classification units between SGP6, WRB and Soil Taxonomy.
Keywords: soil classification, soil order, soil type, soil origin, World Reference Base, Soil Taxonomy
72 CEZARY KABA£A et al.
INTRODUCTION
Transformation of soils, progress in soil scienceand changing socio-economic conditions are majordriving forces for the changes in soil classification, ifthe classification is to be understood as a modernreflection of current knowledge about soils and theirfunctions in the natural environment and for humanlife (Arnold 2002). Therefore, every classification ofsoils, including the Polish Soil Classification, must beregularly verified and improved (Brevik et al. 2016).At the same time, it should not be forgotten that theclassification system, and in particular the terminolo-gy used, reflects local scientific traditions, which sho-uld not be abandoned hastily (Krasilnikov et al. 2009).The sixth edition of the Polish Soil Classification(Systematyka gleb Polski 2019, later cited in anabbreviated form as SGP6), developed by the Com-mission for Soil Genesis, Classification andCartography of the Soil Science Society of Poland,attempts to fulfill the abovementioned mission andexpectations of different groups of professional users.SGP6 continues the tradition of previous editions ofsoil classification, in particular its fifth edition(Systematyka gleb Polski 2011), in the aspect ofconsistent application of precisely and quantitativelycharacterized diagnostic horizons, properties andmaterials. Quantitative clarification and digitizationof classification criteria do not mean giving up thetraditions of genetically oriented soil science. Allclassification units in SGP6 were determined inaccordance with their genesis; some were evenintentionally separated to emphasize the impact ofvarious pathways of soil development (soil-formingprocesses) on their present morphology, properties andfunctions, even if it is not explicitly stated in theclassification criteria.
The aim of this paper is to explain the principlesand classification scheme of the Polish Soil Classifi-cation, 6th edition (Systematyka gleb Polski 2019). Thecorrelations of diagnostic horizons, materials andproperties as well as classification units at variouslevels with WRB (IUSS Working Group WRB 2015,later cited in an abbreviated form as WRB2015) andSoil Taxonomy (Soil Survey Staff 2014, cited in anabbreviated form as ST2014) is also given andbriefly explained to indicate the close relationshipsbetween modern Polish soil classification and majorinternational systems.
THE OBJECT OF CLASSIFICATION
The soil definition often depends on the require-ments for which this definition and related classifica-
tion are made (Ibanez and Boixadera 2002). For manyexperts, the concept of soil was defined through theneeds of agricultural and forest productivity (i.e. theusefulness for growing plants). Another perspectivecomes from an ecological approach, where soil can bea basis for every ecosystem, both naturally developedand human made, including those ecosystems consi-dered unproductive or degraded (Jankowski andBednarek 2000, Krupski et al. 2017, Musielok et al.2018). Based on an ecological approach, it is verydifficult, if at all possible, to determine the minimumsoil contour area (or soil volume), if only cubiccentimeters or decimeters of regolith accumulated ina rock crevice may create the basis for unique naturalecosystems (Miechówka and Drewnik 2018; Skiba andKomornicki 1983). In this context, questions areincreasingly asked about the soils of ecosystemsartificially created by humans or created by naturalforces in an environment that has been substantiallyaltered or created by man; for example, soils of roador railway embankments, earth covers on bunkers andother constructions, on green roofs, in niches onbuildings and ruins filled with "anthropogenic rego-lith" etc. (Charzyñski et al. 2013a, 2013b, 2015; Uza-rowicz et al. 2017, 2018). In all these ecosystems,there are similar minerals that build natural soils,similar microorganisms enabling the circulation ofmatter and energy flow typical for soils, as well asenabling plant growth and soil fauna occurrence.Therefore, these are soils that build self-functioningecosystems and which are relatively stable in time andspace. However, not each accumulation of soilmaterial lasts and functions as described above; forexample, an earthy material accidentally accumulatedon tractor wheels and on agricultural machinery orgrowing substrate on greenhouse benches (tables)or in pots on the windowsill. Therefore, in the PolishSoil Classification (SGP6), soil is defined as thesurface part of the lithosphere or the accumulationof mineral and organic materials permanently connectedto the lithosphere by buildings or permanent construc-tions, coming from weathering or accumulationprocesses, originated naturally or anthropogenically,subject to transformation under the influence ofsoil-forming factors, and able to supply the livingorganisms with water and nutrients.
DIAGNOSTIC HORIZONS,MATERIALS AND PROPERTIES
The Polish Soil Classification, since its fourthedition (1989), is based on soil features, being thecombined results of soil-forming factors and processes,defined in terms of diagnostic horizons, diagnostic
73Polish Soil Classification, 6th edition – principles, classification scheme and correlations
materials and diagnostic properties, all of which tothe highest possible extent should be observable andmeasurable in the field. General concepts anddetailed criteria for many diagnostic horizons/mate-rials/properties are taken from WRB2015. However,original Polish concepts, not reflected in an interna-tional soil classification, or local specific features ofsoil cover have led to adding a number of uniquediagnostic horizons/materials and changing detailedcriteria in the original definitions of many others. Toavoid misunderstanding and incorrect classification(correlation), the names of all diagnostic horizons, ma-terials and properties have changed spelling, mainlyby replacing the standard ending "-ic" with "ik".All diagnostic horizons, materials and propertiesdefined in Polish Soil Classification, along with briefexplanation of their relationships with WRB2015, arelisted in tables 1–3.
The criteria for diagnostic horizons/materials/pro-perties generally are not fully disjunctive; however,horizons that have similar characteristics differ in atleast one disjunctive, restrictive or exclusive criterion,which refers to the specific impacts of pedogenic factorsor processes, creating a unique theoretical basis for agiven diagnostic horizon. A separate key to diagnostichorizons has not been prepared, but the general key tosoil orders and soil types (table 4) clearly indicatesthe order of analysis/elimination of diagnostichorizons, i.e. suggests which criteria should be takeninto account first. In a case of humus-rich dark-colo-ured topsoil horizon this means for example, that firstto be checked are the criteria for histik/murszik/folikhorizons (the order of organic soils is placed firstin the key), then for hortik/antrik (anthropogenic soilsare placed on the second position in the key) andfinally for arenimurszik/mollik/umbrik. Similarly, in
6PGS 5102BRWotnoitaleR
kibla rofekilairetirc;tnelaviuqeon lairetamcibla :)noitazilozdopfotluser(noitelpedsumuhdnalA,eFotsrefer; 5≥ fo%0ssenkciht;sgnitaocsumuh)-eF(foeerfsniargdnas ≥1 mc
kirtna rofekilairetirc;tnelaviuqeon seitreporpcirhtna tea³abaK(stset3hcilheMdnadicacirticotreferstimilsurohpsohp;ssenkciht;)8102.la ≥ mc03
kizsruminera rofekilairetirc;tnelaviuqeon cirbmu/cillom kaewdnaerutxetydnastub,)ruoloc,tnetnocnobraccinagro,ssenkciht(rettamcinagrofoselcitrapdnanoitcarflarenimfognidnib ≥( cinagro;sgnitaocsumuhonsahselcitrapdnasfo%01
)gnihguolp(gniximdnaeganiardybdevirednetfo;)etatsyrdnignidnirgliostasniargdnasmorfsetarapesylisaerettamfo kizsrum/kitsih )6102a³abaKdnazaba£(liosbusydnasgniylrednuhtiwsnoziroh
kigra deriuqer;)sgnitaocyalcelbisivtuohtiwnoitaitnereffiderutxet(b2noiretircgnidulcxe,cigraekil ≥ yalc%02sgnitaoc/gnigdirb
kiwule rofekilairetirc;tnelaviuqeon lairetamcibla eerfselcitrapdnas:)egavissel/noitaivulefotluser(noitelpedyalcotsrefer;;nozirohgniylrednuotderapmoctnetnocyalcrewol,setagreggelarutcurtsnosgnitaocon,segdirbdnasgnitaocyalcfo
ssenkciht ≥ mc1
kilof ekil cilof
kitsih ekil citsih tub, cinagro lairetam seriuqer ≥ nobraccinagrofo%21
kitroh ekil citroh ssenkcihtderiuqertub, ≥ Hpderiuqerdnamc03 w ≥ noitarutasesabfodaetsni(5.5 ≥ surohpsohp;)%05)8102,.latea³abaK(stset3hcilheMdnaneslOotreferstimil
kiclak ekil ciclac OCaCfoecnereffidevitaler(b2airetircgnidulcxe, 3 dna)reyalgniylrednuotnosirapmocnitnetnoc)ciclacortep(3
kibmak ekil cibmac dewollasisgnitaoc/segdirbyalcfoecneserpregral;dedulcxeerasessalcerutxetydnastub,)kigraotyratnemelpmoc,%02<(
killom ekil cillom ssenkcihtderiuqertub, ≥ Hpderiuqerdnamc03 w ≥ noitarutasesabfodaetsni(5.5 ≥ )%05
kizsrum rofekilairetirc;tnelaviuqeon citsih rofekilstnemeriuqerlanoitiddahtiwnoziroh cihsrum taepotsrefer;reifilauq)tnempolevederutcurtsdnanoitacifimuhgnidulcni(noitamrofsnartcinegodeprehtrufdnaeganiardoteudnoitadarged
kibur airetirc;nigirotnereffidfosretawdnuorgfotcatnocehttanoitatipicerpecafrusbus)nM+(eFotsrefer;tnelaviuqeonotralimis cibur amorhcdna)lairetamtnerapnahtredderdna(RY5.7nahtreddereuhtub,reifilauq ≥ ssenkciht;5 ≥ mc51
kiredis oteugolananaderedisnoc;tnelaviuqeon cibmac rofekilairetirc(sessalcerutxetydnasnidepolevedtub,nozirohcinurb amorhcdna6–4eulav,RY01roRY5.7sruolocllesnuMa;)reifilauq ≥ lairetamtnerapfi(deriuqereratsiom3
,sruolocdenoitnemevobasah kiredis tnerapnahteulavruolocrewolro/dnaamorhcrehgihro/dnaeuhreddersahssenkciht;)lairetam 51≥ mc
kidops ekil cidops
kirbmu ekil cirbmu ssenkcihtderiuqertub, ≥ Hpdnamc03 w )%05<noitarutasesabfodaetsni(5.5< )8102zaba£dnaa³abaK(
kitrew ekil citrev
TABLE 1. The relationships between diagnostic horizons in Polish Soil Classification (SGP6) and WRB2015
74 CEZARY KABA£A et al.
6PGS hsilgnEnoitalsnart
5102BRWotnoitaleR
napigarf napigarf rofekil cigarf stnemeriuqerssenkcihtontub,noziroh
anarbmemoeg enarbmemoeg roelbaemrepmi,sreyalliosgnidividroecafrusliosgnirevocenarbmemcitehtnys;tnelaviuqeonsagdnaretawotelbaemrepyldrah
eikobê³geinazseimyw
gniximpeed (peed;tnelaviuqeon ≥ fostnemgarf,noitanozirohliosfonoitcurtsed(sliosfognixim)mc05,)gnihguolp(noitavitlucpeedyrev)1(oteud,).cteeliforpliosnihtiwdetacolsnartsnoziroh
detaveletonyllacipytecafruslios;yradnuobrewolprahs;skrownoitcurtsnoc)2(ro
ellemal eallemal rofekil cillemal tnemeriuqerepytbusotdevomairetircssenkcihttub,reifilauq
a³aksatil suounitnockcor
ekil kcorsuounitnoc noitcesssorcehtfo%5<ypuccoskcarctub,
awtsrawatilanzcinegonhcet
cinegonhcetreyaldrah
ekil lairetamdrahcinhcet
æœo³g¹iceinanzcinegotil
cinegohtilytiunitnocsid
ekil ytiunitnocsidcihtil laivullocdnalaivullamorfgnitlusernoitaitnereffidlarutxettub,dedulcxesinoitatnemides
nytzsro nietstro ekil cinietstro reifilauq
kicalp cicalp ekil cicalp eifilauq
awoinradadur norigob rofekil cirref )selttom(a1airetircdnaemulovreyalafo%02>mrofseludon-nM-eFtub,nozirohotsnoitaler(2dna cihtnilp deredisnoctonera)
icœowicœa³wewojelg-owotnurg
ciyelgseitreporp
ekil iyelg seitreporpc
icœowicœa³wewojelg-owodapo
cingatsseitreporp
ekil cingats seitreporp
einelosaz ytinilas rofekil;tnelaviuqeon cilas CEderiuqertub,noziroh e ≥ mSd4 1– Hpdna, e RASdna,5.8< e < 31%51<PSEro
einelosaz¹jcakifydosz
htiwytinilasnoitacifidos
rofekil;tnelaviuqeon cilas CEderiuqertub,noziroh e ≥ mSd4 1– Hpdna, e ≥ RASdna,5.8 e ≥ 31PSEro %51≥
ajcakifydos noitacifidos rofekil;tnelaviuqeon cilas CEderiuqertub,noziroh e mSd4< 1– Hpdna, e RASdna,5.8< e ≥ 31PSEro ≥ %51
æœowokeicazanlaiwule
laivulegniugnot
ekil citer gnidulcni(seitreporp eassolgcivulebla )
einezsawkazewonazcrais
etaflusnoitacifidica
rofekil cinoiht deificepserasnoitalumuccasuounitnocsidfosruolocyllanoitiddatub,nozirohamorhcdnawolleyeromroY5.2euh( ≥ )6
TABLE 2. The relationships between diagnostic properties in SGP6 and WRB 2015
6PGS hsilgnEnoitalsnart
5102BRWotnoitaleR
³airetamynzcinagro
cinagrolairetam
ekil lairetamcinagro rofretawhtiwdetarutasslairetamnitub, ≥ tsomnisyadevitucesnoc03,deniardro,sraey ≥ C%21 gro syad03<rofretawhtiwdetarutasslairetamnielihw,deriuqersi
≥ C%02 gro deriuqersi
³airetamynlarenim
larenimlairetam
ekil lairetamlarenim rofretawhtiwdetarutasslairetamnitub, ≥ tsomnisyadevitucesnoc03C%21<sraey gro sraeytsomnisyad03<rofretawhtiwdetarutasslairetamnidnaderiuqersi
deriuqersigroC%02<
)staep(yfrot
yworbiffrot taepcirbif rofekileussittnalpelbazingocerrofairetirc cirbif nideificepsairetirchtped/ssenkciht,reifilauqsnoitinifedepytbus
ywomehfrot taepcimeh rofekileussittnalpelbazingocerrofairetirc cimeh nideificepsairetirchtped/ssenkciht,reifilauqnoitinifedepytbus
yworpasfrot taepcirpas rofekileussittnalpelbazingocerrofairetirc cirpas nideificepsairetirchtped/ssenkciht,reifilauqsnoitinifedepytbus
)slairetamcinmil(enzcinmily³airetam
anzcinagroaityg ajttygcinagro rofairetirclarenegehtsteem;tnelaviuqeon slairetamcinmil sniatnoc, ≥ nobraccinagrofo%21OCaCfo%02<dna 3 gniebretfaepahsotnikcabgnirpsotelba(etatstsiomanitneiliser;
sganiardretfasenalplatnozirohgnolagnikcarc;)desserpmoc
TABLE 3. The relationships between diagnostic materials in SGP6 and WRB 2015
75Polish Soil Classification, 6th edition – principles, classification scheme and correlations
case of subsurface diagnostic B horizons, the order ofanalysis/elimination, related to the key to soil ordersand types, is as follows: spodik, rubik, siderik, kambik.
One of crucial differences between SGP6 andWRB2015 is the required organic carbon content inthe organic materials. In soils saturated with waterfor >30 consecutive days in most years (or drained)≥12% of organic carbon was established at a suffi-ciently high to enable ecosystem services typical fororganic soils (Piaœcik and £achacz 1990). In soilssaturated for less than 30 consecutive days per year,the required organic carbon content is ≥20%, similarto that for WRB2015 (table 3). This difference influ-
ences the definition of the histik horizon (table 1) andsoil allocation to order and type in the key, in parti-cular the distinction between Histosols and HisticGleysols (table 4). The other differences in diagnostichorizons are as follows:– the mollik and umbrik (and also antrik and areni-
murszik) horizons must be ≥30 cm thick (com-pared to ≥20 cm in WRB2015) that prevents aninvolvement of many normally ploughed soils intochernozemic soils,
– the argik horizon requires higher content of claycoatings/bridgings (≥20% instead of ≥5% inWRB2015) that also influences the wider reco-
awonalgêwaityg suoeraclacajttyg
rofairetirclarenegehtsteem;tnelaviuqeon slairetamcinmil sniatnoc, ≥ nobraccinagrofo%21dna ≥ OCaCfo%02 3 retfasenalplatnozirohgnolagnikcarc;etatstsiomaniecneiliserkaew;
eganiard
ywok¹³ñeipaw wodaemenotsemil
)lram(
rofairetirclarenegehtsteem;tnelaviuqeon slairetamcinmil nobraccinagrofo%21<sniatnoc,dna ≥ OCaCfo%02 3
ynzcytenmil³um enirtsucaldum
sekalwollahs,sdnopnidetnemides–)taepyratnemides(lairetamcinmilotralimis;tnelaviuqeonsniatnoc;.cte ≥ niatnocyamtubreifilauqcirpasfoairetircehtsteem,nobraccinagrofo%21
roflacipytecneiliserfosecnediveon,seudisertnalpdesopmocednufosreyal/sesnel ajttyg
ynzcytamlet³um dumcitamlet tewdedoolfyllanosaesnidetnemides–)taepyratnemides(lairetamcinmilotralimis;tnelaviuqeonfoairetircehtsteem,nobraccinagrofo%52–21sniatnoc;syellav cirpas ehtgnidulcxereifilauq
eulavruoloc,stnemgarfdoowdnastoor ≥ amorhcdna2 ≥ ylisaesniatnocyllacipyt,tsiom2lacipytecneiliserfosecnediveon,snoitcarflarenimfo).ctesesnel,sreyal(erutximdaelbazingocer
rof ajttyg
)slairetamcinegohportna(enzcinegoportnay³airetam
ytkafetra stcafetra ekil stcafetra neewtebedamsinoitcnitsidlanoitidda; stcafetralamron dna stcafetraevitcaersetsawgninim,sgniliat,gninrublaocdnagnitlemslatemmorfgalsdnahsa,emilnoitcurtsnoc(
yrtsudnilacimehc,setsawyrtsimehcortep,muspygohpsohp,ruflusevitandnasediflusgniniatnoc).ctesenob,setsaw
³airetamikobê³gynapysan
paehkcihtlairetam
lateleksniatnocyam(lairetamnehtrae,esool;reifilauqcitropsnartotralimistub,tnelaviuqeonfo%02<gnivah,)noitcarf stcafetra fo%01<ro( stcafetraevitcaer yllanoitnetninagnimrof,)
reyaldetcurtsnoc ≥ eht;)gnillifnidnuorg-wolebropaehdnuorg-evobanarehtie(kcihtmc05gniylrednuotyradnuobtcnitsidroprahs:deriuqersignipaehlanoitnetnifonoisserpxegniwollof
smrofro,)elbburnoitcurtsnocrohsa.g.e(stcafetrasniatnoclairetamgniylrednuro,lairetamevitan).cte,tnemknabme(dnuoma ≥ hgihmc051
)slairetamlarenimrehto(enlarenimy³airetamenni
³airetamynlaiwuled
laivulloclairetam
teehs(hsawepolsfoesruocnidetalumuccastnemidesotdetimiltub,lairetamcivullocekillaivulf,nailoenasallewsa(dedulcxeerastnemevomssamrehtodnasedilsdnalsaerehw,)noisore
eranoitalumuccadnahsawepolsfosecnedivegniwollofeht)a(;)noitalumuccacinegoporhtnadnacinagrodeirubro,).cteteltuoenivar,partnoitalumucca,epolstoof(noitacolelbaruovaf:deriuqer
ro,reyalsumuhro ytiunitnocsidcinegohtil foeromroeno)b(dna;liosevitanhtiwtcatnocehtnita(tnetnocnobraccinagronisegnahclacitrevralugerri:deriuqersigniwollofeht ≥ cinagro%2.0
(nobraccinagrofotnetnocsuoenegomohro,)sreyalehtfoenotsaeltaninobrac ≥ )%2.0ronoitacifitartsro,nozirohsumuhrocinagrodeirubseilrevotahtreyalehttuohguorht
tneserperaserutcurtsnoitatnemides
ynlaiwulf³airetam lairetamcivulf ekil civulf lairetam
³airetamywoteleikzsoburg
citeleks-esraoclairetam
%53>sahdna)retemaidnimm2>(stnemgarflateleksfo).lov(%06>sniatnoc;tnelaviuqeonstnemgarfkcorresraocrosenotsfo).lov(
³airetamywokzcrais
cidifluslairetam
cinagroniehtdna,deriuqersigniggolretawtnenamreprolanosaestub,lairetamcidiflusrepyhekilrufluslatototnobraccinagrofooitarahtiwdecalpersitnetnocrufluscidiflus ≥ 02
Table 3 continued
76 CEZARY KABA£A et al.
gnition of kambik horizon and enables a transitio-nal form of kambik with more prominent clay illuvia-tion (Bwt horizon),
– the albik and eluwik horizons are distinguishedinstead of albic materials (WRB2015) to reflectpedogenic depletion of Fe/Al/humus and clayfraction in these horizons, respectively,
– the murszik horizon is (traditionally in Poland)separately distinguished from histik to reflectpedogenic transformation after drainage, includingthe development of pedogenic structure in organichorizons (Marcinek and Spychalski 1998; Piaœcikand Gotkiewicz 2004; Piaœcik and £achacz 1990;Rz¹sa 1963),
– the arenimurszik horizon is a kind of mineral, sand-textured mollik or umbrik horizons, separatelydistinguished to reflect very weak binding oforganic matter particles to mineral (sand) grains intopsoil layers developed mostly by advanceddegradation of murszik horizons (£abaz and Kabala2016),
– rubik horizon is a kind of subsurface horizon ofFe (and Mn) accumulation at the contact of vario-us kinds of ground waters, featured by red colours(Jankowski 2013),
– siderik is considered the sandy equivalent for thekambik horizon; it may be easily correlated witha Brunic qualifier in WRB2015 (Bednarek 1991).Many diagnostic properties distinguished in SGP6
(table 2) have the same or very similar definitions totheir equivalents in WRB2015, in particular stagnicand gleyic properties. A number of properties in SGP6have in WRB2015 close equivalents in diagnosticmaterials (e.g. lita ska³a/continuous rock, litawarstwa technogeniczna/technic hard material),or in diagnostic horizons (e.g. ruda darniowa/ferric(Czerwiñski and Kaczorek 1996), fragipan/fragic(Szymañski et al. 2011), zasolenie/salic, zakwasze-nie siarczanowe/thionic (Hulisz 2007, Hulisz et al.2017)), or in qualifiers (lamellic, ortsteinic, placic).SGP6 provides unique definitions for geomembraneand deep mixing (in situ), both applied to classify thetechno-genic soils (table 2). Also, numerous specificdiagnostic materials, besides the materials similarto those present in WRB2015 (table 4), are distingu-ished in SGP6:– the terms fibrik, hemik and saprik are applied to
peats only as for primary organic materials,– gyttja (£achacz et al. 2009), lacustrine and
telmatic organic muds (Kalisz and £achacz 2008;Mendyk et al. 2015, Okruszko 1969, Roj-Rojew-ski and Walasek 2013), and meadow limestone/marl(Jarnuszewski and Meller 2018) are distinguishedamong limnic matterials,
– thick heap material (g³êboki materia³ nasypany)is a soil layer ≥50 cm thick, poor in artefacts,intentionally displaced/transported to create theconvex relief form (e.g. dam, road/railway embank-ment etc.), or to fulfil the concave form, or to levelthe ground surface (Charzyñski et al. 2013b),
– artefacts have been distinguished into "normal"(for example concrete and stones) and "reactive"(e.g. ash, slag, tailings), to reflect their differentreactivity and toxicity in soil environments(Charzyñski et al. 2013a, Uzarowicz et al. 2017),
– coarse skeletic material reflects the specificcomposition of many mountain soils, influenced byweathering, denudation and slope processes (Drew-nik 2008, Kacprzak et al. 2006, 2013; Skiba andKomornicki 1983),
– colluvial material (materia³ deluwialny) hasa definition related to the results of surface wash(sheet erosion) accelerated mainly by humans (dueto removal of native vegetation and ploughing) andnot to the landslides, creep and other slope massmovement/wasting (Œwitoniak 2014, 2015).
CLASSIFICATION SCHEME
The SGP6 is a scientific system of soil units'allocation, hierarchical at the higher level of classifi-cation, and non-hierarchical (optional) at a lowerlevel. There are three hierarchical categories in SGP6:soil order, soil type and soil subtype, supplemented bythree non-hierarchical categories: soil variety, soilgenus and soil species. Hierarchical units have a strictaffiliation (allocation) to higher-order units and indi-vidual (unique) definitions, i.e. sets of requirements/criteria. Non-hierarchical units, on the other hand, arein the majority not assigned to particular higher-order units, but due to their universal definitions, theycan be added to any order, type or subtype, if all thecriteria listed in their definitions are met. Soil subtypeshave an intermediate position, because on one handthey are listed in a hierarchical sequence, exclusivefor each soil type, but many subtypes have universaldefinitions, identical through the classification (thatmake them similar to the principal qualifiers in WRB2015, which also are hierarchically listed within eachReference Soil Group, but have universal definitions/criteria).
Soil type is the basic classification unit of SGP6.It is distinguished based on a specific sequence ofgenetic horizons, developed from a specific parentmaterial and under specific environmental conditions.Thus, the soil type is featured not only by the presenceof certain genetic or diagnostic horizons, but also thepresence of associated properties or materials of
77Polish Soil Classification, 6th edition – principles, classification scheme and correlations
primary importance for the soil origin and the uniqu-eness of its physicochemical and biologicalproperties. For distinguishing soil types, the traditionsof Polish pedology have high importance.
The highest classification category is the soilorder. It is distinguished based on the presence (orabsence) of diagnostic horizons that reflect theaction of particular soil-forming processes thattransform the original parent material under specificenvironmental conditions, with a smaller or largerhuman contribution; taking into account the timeperspective, i.e. the duration of pedogenic processesfrom the exposure, deposition or redeposition of theparent material. Soil orders are sets of soil types(basic classification units) and are distinguishedmainly for systematic ordering of soil units andhigher clarity of classification, as well as for acomprehensive review of the impact of main soil-forming factors and processes on the soil coverstructure in Poland. Technically, the soil orderssupport rapid allocation of soils under classificationto appropriate classification units. The limitednumber of nine orders makes it easy to remember thestructure of classification and to understand thefundamental differences between the major classi-fication units. First of all, however, the soil orders, asa collective and the highest classification categories,indicate the priorities of classification system,particularly useful where more than one diagnostic
horizon or various diagnostic properties and materialsare simultaneously present in the soil profile. ThePolish Soil Classification (SGP6) distinguishes 30 soiltypes grouped in nine orders (fig., tables 4–5). Thesequence of soil orders is retained after earlierversions of Polish Soil Classfications, i.e. starts withweakly developed soils, followed by better developedmineral soils with diagnostic horizons, then hydro-morphic soils, organic soils, and antrhropogenic soilsas the last order (table 6). This sequence reflects theadvancement of (mineral) soil development and isregarded the formal construction of SGP6.However,the arrangement of soil orders in the key (table 4) isdifferent, that was technically necessary to highlight thepriotrities of diagnostic features and to simplify theclassification process.
The soil subtype is distinguished to emphasize thediversity of morphological or physicochemicalfeatures within the soil type, having high importancefor the interpretation of the soil origin and its expectedfuture evolution, as well as to stress the specific envi-ronmental soil functions. Among the subtypes, thefollowing categories are distinguished:1. "typical" subtypes – represent the most characte-
ristic for the type expression of soil features,including the sequence of genetic horizons or com-binations of diagnostic horizons and properties; inthe list of subtypes they are logically alwaysplaced as last;
FIGURE. Architecture of the SGP6
78 CEZARY KABA£A et al.
TABLE 4. Key to soil orders and soil types
SREDROLIOS SEPYTLIOS
gnivahslioS lairetamcinagro ,:rehtie
gnitrats.1 ≥ dnaecafrusliosehtmorfmc03nihtiwgnivah ≥ ecafrusliosehtmorfmc06
fossenkcihtdenibmoc ≥ ro;mc03agnivahdnaecafrusliosehttagnitrats.2
fossenkciht 1≥ gniylrevoyltcerid,mc0kcorsuonitnoc ehtstnemgarfesraocro
lairetamcinagrohtiwdelliferahciwfosecitsretnifohtpedehtot ≥ ecafrusliosehtmorfmc03
ENZCINAGROYBELG
gnivahslioscinagrO kizsrum noziroh 3≥ kcihtmc0ewozsrumybelG
,hcihwslioscinagrorehtO kizsrumwoleb evah,)tneserpfi(kcihtmc03<nozirohtaep fo%05>etutitsnoctaht lairetamcinagro nihtiw ≥ llafo%05>romc001
airetamcinagro mc001fohtpedehthcaertonseodtifilewofrotybelG
gnivahslioscinagrorehtO lairetamcinmilewonmilybelG
slioscinagrorehtOewok³óicœybelG
:sliosrehtOnagnivah.1 kirtna ro kitroh noziroh ≥ mc05
ro;kcihtgnivah.2 reyaldrahcinegonhcet ro
enarbmemoeg liosehtnossenkcihtynafonihtiwgnitratsroecafrus ≥ liosfomc001
ro;ecafrus.3 deximylpeed gnivahro paehkcihteht
lairetam owtesehtfonoitanibmocagnivahro,htpedehtgnihcaerserutaef 5≥ mc0
rofssenkcitehtlliftuftonodyehtyllaudividnifi(gniximpeed ro lairetampaehkciht ;
:gnivah.4)A( ≥ fo)egareva.hgiew,.lov(%02 stcafetra ni
otro(reyalliosmc001reppueht suounitnocreyaldrahcinegonhcet/kcor ro,)rewollahsfi
)B( ≥ fo)egareva.hgiew,.lov(%01 evitcaerstcafetra otro(reyalliosmc001reppuehtni
reyaldrahcinegonhcet/kcorsuounitnoc fi)rewollahs
ENZCINEGOPORTNAYBELG
:htobteemtahtslioSnaevah)a( kirtna ro kitroh noziroh ≤ rofairetircehtlliflufro,kcihtmc05 peed
gnixim %02<niatnocdnatnemeganamtserofrolarutlucitroh,larutlucirgaybdesuacfo)egareva.hgiew,.lov stcafetra dna,ecafrusliosehtmorfmc001fohtpedehtot
evahtonod)b( enarbmemoeg ro reyaldrahcinegonhcet gnitrats ≥ ehtmorfmc001ecafruslios
enmeizorutlukybelG
sliosrehtOnzcinegonhcetybelG e
a)a(htobgnivahsliosrehtO kitrew nozirohgnitrats ≥ dna,ecafrusliosehtmorfmc001
)b( ≥ liosehtmorfsreyalliosllaniyalc%03ehtotecafrus kitrew noziroh
EC¥JEINZCEPYBELG
redroliosehtrofairetircehttahtsliosllAelositreW
agnivahsliosrehtO kirbmu,killom rokizsruminera (noziroh ≥ )kcihtmc03
ENMEIZONRAZCYBELG
nagnivahslioS kizsruminera nozirohetawozsrumybelG
gnivahdnasecarretlaivullaenecoloHehtnodetacolsliosrehtO lairetamcivulf gnitrats≥ mc051 ecafrusliosehtmorf
enmeizonrazcydaM
gnivahsliosrehtO killom rosuoeraclacderehtaew/suounitnocaevah)a(:dna,nozirohgnitratskcormuspyg ≥ ro,mc04
reyalaevah,nozirohsumuhehtwolebyltcerid)b( ≥ otnwodro(kcihtmc03fi,kcorsuounitnoc rewollahs enifehtni)muspygro(setanobracsniatnochcihw,)
dnashtrae ≥ ehtnistnemgarfkcormuspyg/suoeraclacfo)egareva.hgiew(%01.e.i(noitcarfnoteleks ≥ ro,)retemaidnimm2
reyalaevahnozirohsumuhehtwolebyltcerid)c( ≥ fokcihtmc03 lairetamcinmilgniniatnoc ≥ OCaC%04 3
enmeizonrazcynizdêR
foreyalecafrusehtgnivahsliosrehtO lairetamlaivulloc ≥ ro,kcihtmc05 ≥ mc03ehtseilrevolairetamlaivullocehtfi,kciht lairetamcinagro
nmeizonrazcenlaiwuledybelG e
HpdnanozirohkillomagnivahsliosrehtO w ≥ mc001fohtpedaotgniliaverp5.5:gniwollofehtfohtobroenognivahdna,ecafrusliosehtmorf
)a( seitreporpciyelg ro,)b( seitreporpcingats gnivahdnanoitces-ssorcreyalliosehtfo%08>gnirevoc
fossenkciht ≥ ehtwolebyltceridro(ecafrusliosehtmorfmc08gnitratshtob,mc52)kcihtmc08>fi,nozirohsumuh
eimeizenrazC
79Polish Soil Classification, 6th edition – principles, classification scheme and correlations
Table 4 continued
SREDROLIOS SEPYTLIOS
)a(gnivahsliosrehtO killom gniniatnocreyalehtronozirohkiclak)b(dna,nozirohgnitratshtobsetanobrac)cinegodep(yradnoces ≥ ecafrusliosehtmorfmc051
ymeizonrazC
agnivahsliosrehtO killom ro kirbmu noziroherazsybelG
nagnivahsliosrehtO kigra gnitratsnoziroh ≤ 001ecafrusliosehtmorf
ENMEIZOWO£PYBELG
redroliosehtrofairetircehtteemtahtsliosllAewo³pybelG
agnivahsliosrehtO kidops gnitratsnoziroh≤ gnitratsro,ecafrusliosehtmorfmc001 7≤ 5
fiecafrusliosehtmorfmc citeleks-esraoclairetam liosehtmorfstratsdnatneserpsi
ecafrusENMEIZOCILEIBYBELG
redroliosehtrofairetircehtteemtahtsliosllAwocileibybelG e
:rehtie,gnivahsliosrehtO.1 seitreporpciyelg gnitrats ≤ ehtmorfmc03
ro;ecafrusliosgnirevocseitreporpcingats.2 ≥ liosehtfo%05
stratstahtreyal ≤ dnaecafrusliosehtmorfmc52htiwreyalybnialrednuyltceridsi ciyelg
seitreporp ro,.3 seitreporpcingats gnirevoc ≥ liosehtfo%05
morfgnitrats)nozirohbusyreveni(reyal ≤ mc52ssenkcihtgnivahdna ≥ romc05 ≤ fi,mc52ybnialrednuyltcerid kcorsuounitnoc ro
reyallios)elbaemrepyldrah(elbaemrepmiENMEIZOJELGYBELG
htiwslioS seitreporpciyelg gnitrats ≥ ecafrusliosehtmorfmc03wojelg-owotnurgybelG e
sliosrehtOwojelg-owodapoybelG e
agnivahsliosrehtO kiredis,kibmak ro kiburnoziroh steemtahtnozirohBagnivahsliosro,
,erutxetfotpecxe,nozirohkibmakrofairetircehtnozirohehtfotrapaniydnasebyamhcihw
ENMEIZONTANURBYBELG
agnivahslioS kibur noziroheworhcoybelG
serohsekal/aesnialpro,sredlop,secarretlaivullaenecoloHehtnodetacolsliosrehtOgnivah lairetamcivulf gnitrats ≤ ecafrusliosehtmorfmc051
entanurbydaM
:hcihw,sliosrehtOgnitratskcormuspygrosuoeraclacderehtaew/suounitnocaevah)a( ≤ ehtmorfmc04
ro,ecafrusliosotnwodro(mc06otnwodmc03morfreyalehtni)b( kcorsuounitnoc fi,
dnashtraeenifehtni)muspygro(setanobracsniatnoc)rewollahs ≥ .hgiew(%01.e.i(noitcarfnoteleksehtnistnemgarfkcormuspyg/suoeraclacfo)egareva ≥ nimm2
)retemaidentanurbynizdêR
agnivahsliosrehtO kibmak nozirohntanurbybelG e
sliosrehtOewazdrybelG
O sliosrehtENAWOT£ATZSKUOBA£SYBELG
:gnivahslioSehtotsreyallarenimdnacinagrollafossenkcihtdenibmoc)a( kcorsuounitnoc ≤ 01
ro,mc,lairetamesoolani)tneserpfi(snozirohCB+B+E+A+Ofossenkcihtdenibmoc)b(
gnidulcni lairetamciteleks-esraoc , ≤ mc01enlajciniybelG
serohsekal/aesnialpro,sredlop,secarretlaivullaenecoloHehtnodetacolsliosrehtOgnivah lairetamcivulf gnitrats ≤ ecafrusliosehtmorfmc05
ewicœa³wydaM
80 CEZARY KABA£A et al.
2. "concurrent" subtypes – substitute the "typical"subtype in soil types, if at least two subtypes havethe features equally typical for the soil type (e.g.fibric, hemic and sapric subtypes in peat soils, orordinary, leached and acid subtypes in brown soils);they are listed at the beginning of the list of subtypes;
3. "principal" subtypes – refer to additionalfeatures of primary importance for the interpre-tation of soil genesis, land use or environmentalfunctions of the soil; their names are used insteadof (replace) the name of soil type, also in combina-tions with other subtypes; however, the prioritysubtype does not combine with any other prioritysubtype; unique names of the priority subtypes aimsto preserve the traditional soil nomenclature, i.e.soil names that have become established in Polishpedology, and to simplify (shorten) the soil names;the primary subtypes are marked with the symbol *(asterisk) in the hierarchical lists;
4. "transitional" subtypes – refer to the presence ofthe horizons and properties that are diagnostic forother soil types, but in a given soil type are consi-dered less important (e.g. the kambik horizon in achernozemic soil) or are weakly developed (e.g.have Fe-illuvial horizon that does not meet thecriteria for spodik), or occur too deep (e.g. strong gleyicproperties at a depth of 50–70 cm);
5. "supplementary" subtypes – indicate a specialexpression of pedogenic features or the presence ofspecific soil properties or materials.
A new, non-hierarchical classification category isthe soil variety. Its concept is derived from the Classi-fication of Forest Soils of Poland (Klasyfikacja glebleœnych Polski 2000) and is close to the concept ofsupplementary qualifiers of WRB 2015. Soil varietyis optionally added to indicate (a) lithogenic or pedo-genic (secondary) features accompanying the mainsoil-forming process, (b) particularly strong, oradversely, relatively poor expression of featurespotentially important for soil classification, (c) restric-tions for soil use, including anthropogenic transfor-mation, salinity and soil pollution, (d) soil trophicpotential for forest habitats (Bro¿ek et al. 2000), etc.Soil varieties have the same (universal) definitions thro-ughout the classification that allows an identificationof a given soil feature regardless of the soil order ortype. Moreover, the third and subsequent subtypes, iftheir diagnostic features were identified in the soil underclassification, may be listed as soil variety (taking intoaccount that only two subtypes may be applied in thisrank). Also, the subtype not included in the hierarchi-cal list of subtypes within the particular soil type ofSGP6 may be indicated as an additional soilvariety, if its diagnostic features were identified in asoil profile under consideration (table 6).
The non-hierarchical category of soil genusdetermines the kind of parent material from which thesoil was developed, taking into account its variability(lithological discontinuity) within the profile. And thelast, non-hierarchical category of soil species deter-
Table 4 continued
:hcihw,liosrehtOgnitratskcormuspygrosuoeraclacderehtaew/suounitnocaevah)a( ≥ liosehtmorfmc03
ro,ecafrusotnwodro(mc06otnwodmc03morfreyalehtni)b( kcorsuounitnoc sniatnoc)rewollahsfi,
dnashtraeenifehtni)muspygro(setanobrac ≥ kcormuspyg/suoeraclacfo)egareva.hgiew(%01.e.i(noitcarfnoteleksehtnistnemgarf ≥ ro,)retemaidnimm2
reyalaevah)c( ≥ gnitrats,kcihtmc03 ≥ deniardfo,ecafrusliosehtmorfmc03 lairetamcinmilOCaC%04>gniniatnoc 3
ewicœa³wynizdêR
agnivahsliosrehtO kcorsuounitnoc gnitrats ≥ ecafrusliosehtmorfmc05yreknaR
lairetamlaivullocforeyalecafrusehtgnivahsliosrehtO ≥ ro,kcihtmc05 ≥ laivullocfikcihtmc03lairetamcinagroehtseilrevolairetam
ewicœa³wenlaiwuledybelG
:gnivahsliosrehtOhtpedaot)sessalcdnasymaolrodnas(erutxetydnasa)a( ≥ dnaecafrusliosehtmorfmc001
dna,)latotni(kcihtmc01<erutxetreniffosreyalehtfohtpedaot,tnemevapeniarom/laicalgirepdeirubehtgnidulcxe,stnemgarflateleksfo%04<)b(
dna,ecafrusliosehtmorfmc001gniniatnoc)s(reyal)c( ≥ OCaC%2 3 03<romc05fohtpedaotmc01<ssenkciht)latot(asah
ecafrusliosehtmorfmc001fohtpedaotmcelosonerA
sliosrehtOelosogeR
81Polish Soil Classification, 6th edition – principles, classification scheme and correlations
mines the soil texture (particle-size distribution)throughout the soil profile, also taking into accountpossible variability (that may be both of pedogenic orlithogenic origin). The names of texture classes in SGP6are used after the Soil Texture Classification of SoilScience Society of Poland (2009).
BRIEF DESCRIPTION AND CORRELATIONOF MAJOR SOIL UNITS
The correlation table (table 5) includes the closestEnglish translations for the Polish names of soilorders, types and subtypes (SGP6), as well as theirmost common and typical equivalents in WRB2015and ST2014 classifications. The correlation table wasdeveloped taking into account previous statements ofKaba³a et al. (2016) and Œwitoniak et al. (2016).
The first order, weakly developed soils (glebys³abo ukszta³towane), brings together soils (a) at theearly (initial) stage of development, where the thick-ness of soil profile (regolith) to the continuous rock is≥10 cm or the combined thickness of all genetichorizons (O+A+E+B, if present) in an unconsolidatedmaterial is ≥10 cm, and (b) soils at early stage ofdevelopment, thicker than initial (raw) soils, butwithout any diagnostic horizon except for folik.WRB2015 allocates such soils among different RSGscharacterized by little or no profile differentiation. Thefirst type of raw mineral soils (table 5) consists ofsix subtypes of raw siliceous rocky and raw rendzinarocky soils correlated with (Calcaric) Lithic Lepto-sols, raw siliceous debris and raw rendzina debrissoils correlated with (Calcaric) Hyperskeletic Lepto-sols (Lasota et al. 2018), raw alluvial soils (Fluvi-sols) and raw unconsolidated soils (Protic Regosols).The other five soil types include weakly developedsoils, but thicker than raw (initial) soils. Rankers,siliceous soils with continuous rock at ≥50 cm belongto Leptosols; however, they may have a sequence ofclearly developed (but not diagnostic) horizons.Ordinary rendzinas are in the majority shallow andskeletal soils rich in primary (lithogenic) carbonates(Calcaric Leptosols), but may have a folik horizon(Miechówka and Drewnik 2018). Ordinary rendzinasdo not have diagnostic horizons in terms of SGP6;whereas they may have mollic in line with WRB2015requirements (if A is ≥20 cm thick). In this case, thehumic ordinary rendzinas are correlated withCalcaric Leptic Phaeozems (Kaba³a 2018, Kowalskaet al. 2019). The type of ordinary alluvial soilsinvolves young soils on Holocene terraces, developedfrom fluvic material, lacking diagnostic horizons(Fluvisols). Ordinary colluvial soils are featured byevidence of successive accumulation of soil material
(thicker than 50 cm, or 30 cm if settled directly onpeat) eroded from the above-located arable hill-slopes(Colluvic Regosols or Colluvic Arenosols). Arenosolsin SGP6 are weakly developed sandy soils correlatedwith Arenosols in WRB2015, but the soil type in SGP6is much "narrower" than its equivalent in WRB anddoes not include the initially developed and colluvialarenosols. Also, the Brunic Arenosols (WRB 2015),termed rusty soils in Poland, are moved from areno-sols to rusty soils due to a thick subsurface Bvhorizon, considered a diagnostic horizon (siderik)in SGP6. And the last soil type, regosols, may be easilycorrelated with Regosols in WRB2015.
The 2nd order, brown earths (gleby brunatnoziem-ne), brings together soils that have kambik, rubik orsiderik diagnostic horizons (comments regardingthese horizons are summarized in table 1). Therefore,particular types of brown earths of SGP6 can becorrelated with different RSGs of WRB2015. Brownsoils (a type) typically refer to Eutric and DystricCambisols; brown rendzinas are correlated withCalcaric/Dolomitic Cambisols (Kowalska et al. 2017,Zagórski 2003) and brown alluvial soils are correlatedwith Fluvic Cambisols (Ligêza 2016). The mainreason to separate the brown rendzinas and brownalluvial soils from "ordinary" brown soils is thedifferent parent material, different landscape positionand different ecosystem/habitat functions of thesesoils. The other two soil types, ochrous and rustysoils are primarily sandy soils (developed fromglaciofluvial, eolian and older alluvial sands), thusbelonging to Arenosols in WRB2015. However, theyhave well-developed rubik or siderik subsurfacediagnostic horizons, not recognized in WRB 2015, buteasily correlated with Rubic/Chromic or Brunicqualifiers, respectively (Jankowski 2013).
The 3rd order, podzolic soils (gleby bielicoziemne),covers the soils with a spodik horizon, merged in onesoil type – gleby bielicowe, closely related to Podzolsof WRB2015. The soil type includes several subtypesrelated in the majority to redoximorphic features andvarious organic horizons developed at the soil surface(Chodorowski 2009, Kaba³a et al. 2012, Waroszew-ski et al. 2013). In Polish tradition, podzolic soilshaving and lacking topsoil A horizon are distinguishedinto separate units, a fact which also influences thenumber of subtypes and their combinations in SGP6.Moreover, only the podzols with clearly preservedeluvial horizon (albik) are considered the "typical",whereas podzolic soils laking albik are classified aslatent podzolic soils ("krypto-podzols"). The place-ment of podzolic soils after, not before, the chernozemicsoils in the key to soil orders excludes the soils withmollik/umbrik horizons from podzolic soils in SGP6.
82 CEZARY KABA£A et al.T
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stpedurtuE
cipyT,stnehtrod
UcipyT
ewozso
mursanizdner
yranidrosirbed
slosotpeL
citeleksrepyH
ciraclaC
stnehtrodU
cipyT
enroizejopsanizdner
yranidrocin
milslosivul
Fciracla
Cstneuqavul
Fcillo
M/cipyT
enzcinhcórpsanizdner
yranidroci
muh;)ci
muH(
slosotpeL
citimolo
D/ciraclaC
smezoeah
Pcitpe
Lciracla
Csllodnerlpa
Hcitn
E/cipyT
ewoni
wtubsanizdner
yranidrosu
muh-war
slosotpeL
ciloF
ciraclaC
stpedurtuE
cihtiL
cimu
H
ydaM
ewicœa³
wyranidr
Oslios
laivulla
;slosivulF
stnevulF
ewopyt
slioslaivulla
yranidrolacipyt
)cirhcO(
slosivulF
cirtuE/cirtsy
Dstnevulfid
UcipyT
enzcinhcórpslios
laivullayranidro
cimuh
;)cimu
H(slosivul
Fcirtu
E/cirtsyD
smezoeah
Pcivul
Fstnevulfid
Ucillo
M
ewojelg-o
wotnurgslios
laivullayrandiro
ciyelgslosivul
Fciyel
Gstnevulfid
Uciuq
A
ewojelg-o
wodapolaivulla
yranidrociyelgongats
sliosslosivul
Fcingat
Sstnevulfid
Uciuqayx
O
1 Ast
eris
k *
indi
cate
s a
prin
cipa
l soi
l sub
type
(its
nam
e re
plac
es th
e so
il ty
pe n
ame,
whe
n us
ed; p
rinc
ipal
sub
type
can
not b
e co
mbi
ned
with
any
oth
er p
rinc
ipal
sub
type
).
2 S
ome
raw
min
eral
soi
ls, r
anke
rs a
nd r
endz
inas
loca
ted
in th
e hi
ghes
t par
ts o
f th
e C
arpa
tian
and
Sud
eten
Mou
ntai
ns m
ay h
ave
cryi
c so
il te
mpe
ratu
re r
egim
e, th
us m
ay b
elon
g to
the
rep
ecti
ve s
ubgr
oups
of
Cry
orth
ents
, Dys
troc
ryep
ts a
nd H
aplo
crye
pts.
83Polish Soil Classification, 6th edition – principles, classification scheme and correlationsT
able
5 c
onti
nued
ybelG
enlaiwuled
ewicœa³
wyranidr
Olaivullo
Cslios
civulloC
slosogeR
,slosonerA
;)civulloC(
stnehtrO
-iztrauQ p
stme
mmas
ewopyt
lioslaivulloc
yranidrolacipyt
slosonerA
;)cirhcO(
slosogeR
civulloC
,civulloC(
slosonerA
cirtuE/tcartsi
D)cirhc
O
cipyT;stnehtrod
UcipyT
stnem
maspiztrauQ
enzcinhcórpslios
laivullocyranidro
cimuh
slosonerA
;)cimu
H(slosoge
Rcivullo
Cs
mezoeahP
cilpaH
;)cimu
H,civullo
C()civullo
C(
cipyT;stnehtrod
UcipyT
;stnem
maspiztrauQ
ewofrotan
taepno
slioslaivulloc
yranidrocivullo
C;)civullo
C(slosotsi
Hcivo
Nslosoner
Acirtu
E/cirtsyD
ro(slosoge
Rslosotsi
Hrevo
)civulloC(
stsimeholpa
H/stsirpasolpaH
cirreT
ewojelg-o
wotnurgslios
laivullocyranidro
ciyelg;slosoge
Rciyel
Gcivullo
C)civullo
C(slosoner
Aciyel
Gciuq
A;stnehtrod
Uciuq
Astne
mmaspiztrau
Q
ewojelg-o
wodapolaivulloc
yranidrociyelgongats
sliosslosoge
Rcingat
Scivullo
Cstnehtrod
Uciuqayx
O
elosonerA
slosonerA
;slosonerA
-iztrauQ
mmasp
stne
ewopyt
slosoneralacipyt
)cirhcO(
slosonerA
cirtuE/cirtsy
Dstne
mmaspiztrau
QcipyT
etawozsru
mslosonera
cihsrumi
mes)cihce
N,ci
muH(
slosonerA
cirtuE/cirtsy
Dstne
mmaspiztrau
QcipyT
enzcinhcórpslosonera
cimuh
)cimu
H(slosoner
Acirtu
E/cirtsyD
stnem
maspiztrauQ
cipyT
ewazdr
slosoneraytsur
slosonerA
cirtuE/cirtsy
Dstne
mmaspiztrau
QcipyT
enawocileibz
slosoneracilozdop
)cidopsotorP(
slosonerA
ciblA
stnem
maspiztrauQ
cidopS
ewojelg-o
wotnurgslosonera
ciyelgslosoner
Aciyel
Gstne
mmaspiztrau
Qciuq
A
elosogeR
slosogeR
;slosogeR
stnehtrO
ewopyt
slosogerlacipyt
)cirhcO(
slosogeR
cirtuE/cirtsy
Dstnehtrod
UcipyT
ewozso
murslosoger
sirbedslosoge
Rcitelek
Sstnehtrod
UcipyT
enzcinhcórpslosoger
cimuh
)cimu
H(slosoge
Rcirtu
E/cirtsyD
stnehtrodU
cipyT
e³aintanurbzslosoger
nworb
slosogeR
cirtuE/cirtsy
Dstnehtrod
UcipyT
enawocileibz
slosogercilozdop
)cidopsotorP
,ciblA(
slosogeR
cirtsyD
stnehtrodU
cipyT
–en
meizontanurbybel
G–
2redr
Os
htraen
worb:.g
nE
slositpecnI:4102
TS
–slosoner
A,slosibma
C:5102
BR
W–
entanurbybel
Gslios
nwor
B;slosib
maC
stnehtrO
ewicœa³
wslios
nworb
yranidroslosib
maC
ciraclacodnE/cirtu
Estpedurtu
EcipyT
enawogu³y
wslios
nworb
dehcaelslosib
maC
cirtsydipE/cirtu
Estpedurtu
Ecirtsy
D
enawocileibz
sliosn
worbcilozdop
)cidopsotorP(
slosibma
Ccirtsy
Dstpedurtsy
Dcidop
S
enœawk
sliosn
worbdica
slosibma
Ccirtsy
Dstpedurtsy
DcipyT
enzcinhcórpslios
nworb
cimuh
;)cimu
H(slosib
maC
cirtsyD/cirtu
Es
mezoeahP
cibma
Cstpedurtsy
D/stpedurtuE
cimu
H
ewojelg-o
wotnurgslios
nworb
ciyelgslosib
maC
ciyelG
stpedurtsyD/stpedurtu
Eciuq
A
ewojelg-o
wodaposlios
nworb
ciyelgongatsslosib
maC
cingatS
stpedurtsyD/stpedurtu
Eciuqayx
O
ewozso
murslios
nworb
sirbedslosib
maC
citelekS
stpedurtsyD/stpedurtu
EcipyT
84 CEZARY KABA£A et al.
ynizdêR
entanurbn
worB
sanizdner
ciraclaC
slosibma
Ccillodne
R;stpedurtu
E
ewopyt
sanizdnern
worblacipyt
slosibma
Ccitpe
Lciracla
C/citimolo
D)cirhc
O(stpedurtu
Ecillodne
R
*entanurbynizdêrarap
sanizdnerarapn
worbslosib
maC
ciraclaC
stpedurtuE
cillodneR/cipyT
ewozso
mursanizdner
nworb
sirbedslosib
maC
citelekS
ciraclaC
stpedurtuE
cillodneR
enzcinhcórpsanizdner
nworb
cimuh
ciraclaC
;)cimu
H(slosib
maC
ciraclaC
smezoeah
Pcib
maC
stpedurtuE
cillodneR
entanurbyda
Mn
worB
slaivulla
civulF
;slosibma
Ccitnevul
Fstpedurtu
E
ewopyt
slioslaivulla
nworb
lacipyt)cirhc
O(slosib
maC
civulF
stpedurtuE
citnevulF
*ewazdr
ydam
slioslaivulla
ytsurslosoge
Rcinur
B;slosoner
Acinur
Bcivul
F)civul
F(stne
mmaspid
UcipyT
enzcinhcórpslios
laivullan
worbsu
muhcivul
Fcib
maC
;)cimu
H(slosib
maC
civulF
smezoeah
Pstpedurtu
Ecitnevul
F
ewojelg-o
wotnurgslios
laivullan
worbciyelg
slosibma
Cciyel
Gcivul
Fstpedurtu
Ecitneqavul
F
ewojelg-o
wodaposlios
laivullan
worbciyelgongats
slosibma
Ccingat
Scivul
Fstpedurtu
Eciuqayx
O
eworhco
ybelG
sliossuorhc
Oci
morhC/cibu
R;slosoner
Astne
mmas
P
ewopyt
sliossuorhco
lacipyt)cirhc
O(slosoner
Aci
morhC/cibu
Rstne
mmaspid
UcipyT
enzcinhcórpslios
suorhcoci
muh)ci
muH(
slosonerA
cimorh
C/cibuR
stnem
maspidU
cipyT
ewojelg-o
wotnurgslios
suorhcociyelg
slosonerA
ciyelG
cimorh
C/cibuR
stnem
maspidU
ciuqA
ewazdr
ybelG
sliosytsu
Rcinur
B;slosoner
Astne
mmas
P
ewopyt
sliosytsur
lacipyt)cirhc
O(slosoner
Acinur
Bstne
mmaspid
UcipyT
*entanurb-owazdr
ybelgslios
ytsur-nworb
slosogeR
cinurB
;slosonerA
cinurB
cirtsyD
)cinerA(
stnem
maspidU
cipyT
enawocileibz
sliosytsur
cilozdopslosoner
Acinur
Bcibl
Acirtsy
D)cidopsotor
P(stne
mmaspid
Ucidop
S
enzcinhcórpslios
ytsurci
muh)ci
muH(
slosonerA
cinurB
stnem
maspidU
cipyT
ewojelg-o
wotnurgslios
ytsurciyelg
slosonerA
ciyelG
cinurB
stnem
maspidU
ciuqA
–en
meizocileibybel
G–
3redr
Oslios
cilozdop:.g
nE
slosodopS
:4102T
S–
slozdoP
:5102B
RW
–
ybelG
ewocileib
slioscilozdo
P
;slozdoP
,sdohtrO
sdouqA
ewopyt
slioscilozdop
lacipyt)cirhc
O(slozdo
Pcibl
Asdohtrolpa
HcipyT
*ecileibslozdop
slozdoP
ciblA
sdohtrolpaH
cipyT
*ecileibojelgslozdop-yelg
slozdoP
ciblA
ciyelG
sdohtrolpaH
ciuqA
*ewocileibojelg
ybelgslios
cilozdop-yelg)cirhc
O(slozdo
Pcibl
Aciyel
Gsdohtrolpa
Hciuq
A
*ecileibongatsslozdopongats
slozdoP
ciblA
cingatS
sdohtrolpaH
ciuqayxO
*ewocileibongats
ybelgslios
cilozdopongats)cirhc
O(slozdo
Pcibl
Acingat
Ssdohtrolpa
Hciuqayx
O
ewofrot
slozdopytaep
slozdoP
citsiH
ciyelG
sdouqaipE/sdouqaodn
Ecitsi
H
ewozsru
mslozdop
cihsrum
)cihsruM(
slozdoP
citsiH
ciyelG
sdouqaipE/sdouqaodn
Ecitsi
H
etawozsru
mslozdop
cihsrumi
mes)ci
muH(
slozdoP
ciyelG
sdouqaipE/sdouqaodn
Ecirb
mU
Tabl
e 5
cont
inue
d
85Polish Soil Classification, 6th edition – principles, classification scheme and correlations
etsaifrotslozdop
ytaep-larenim
)cimu
H(slozdo
Pciyel
Gsdouqaip
E/sdouqaodnE
cipyT
ewonytzsro
slioscilozdop
nietsroslozdo
Pcinietstr
Osdohtrolpa
HcipyT
*ewocileibotyrks
ybelgslios
cilozdoptnetal
slozdoP
citnE
sdohtrolpaH
cipyT
ewozso
murslios
cilozdopsirbed
slozodoP
citelekS/citeleksrepy
Hsdohtrolpa
Hcihti
L/cipyT
–en
meizowo³p
ybelG
–4
redrO
slioslaiv
ulli-yalc:.g
nE
slosiflA
:4102T
S–
slosongatS,slosite
R,slosonal
P,slosivu
L:5102
BR
W–
ewo³p
ybelG
laivulli-yalC
slios
,slosivuL
,slosonalP
,slositeR
;slosongatS
slosiflA
ewopyt
slioslaivulli-yalc
lacipyt)cirhc
O(slosivu
Lcibl
Asfladulpa
HcipyT
enawodorez
slioslaivulli-yalc
dedoreslosivu
Lcilpa
Hsfladulpa
HcipyT
enleizduwd
laivulli-yalcdetsartnoc
yllarutxetslios
)cimaolodn
E,cineraip
E(slosonal
Pcivu
Lsflaulpa
Hciner
A
ewolle
malslios
laivulli-yalccille
mal)ciner
A(slosivu
Lcille
maL
sflaulpaH
cillema
L
enzcinhcórpslios
laivulli-yalcci
muh;)ci
muH(
slosivuL
ciblA/cilpa
Hs
mezoeahP
civuL
slloblaigrA
cipyT;sflaulpa
Hcillo
M
e³aintanurbzslios
laivulli-yalcn
worb)cib
macoeN(
slosivuL
ciblA
sfladulpaH
cipyT
ewazdr
slioslaivulli-yalc
ytsur)cinur
B(slosivu
Lcibl
Asfladulpa
Hciner
A
enawocileibz
slioslaivulli-yalc
cilozdop;)cidopsotor
P(slosonal
Pcibl
A)cidopsotor
P(slosil
Acibl
Asflaulpa
Hciner
A
ewokitre
wslios
laivulli-yalccitrev
slosongatS
citreV
civuL
;slosivuL
citreV
e³komdop
slioslaivulli-yalc
deggolretaw
)civuL(
slosyelG
cirtuE
sflauqaodnE
cipyT
ewojelg-o
wotnurgslios
laivulli-yalcciyelg
slosivuL
ciyelG
sfladulpaH
ciuqA
ewojelg-o
wodaposlios
laivulli-yalcciyelgongats
slosivuL
cingatS
;slosongatS
civuL
sfladulpaH
ciuqayxO
ewokeicaz
slioslaivulli-yalc
gniugnotslosite
Rcibl
Asfladussol
GcipyT
–en
meizonrazcybel
G–
5redr
Oslios
kcalb:.g
nE
slositpecnI,slosillo
M:1102
TS
–slosirb
mU
,smezoeah
P,s
mezonrehC
:5102B
RW
–
ymeizonraz
Cs
mezonrehC
;smezonreh
Csllod
Ue
wopyts
mezonrehclacipyt
smezonreh
Ccicla
C/cilpaH
slloduiclaC
cipyT
enawogu³y
ws
mezonrehcdehcael
)ciclacyhtaB(
smezoeah
Pcilpa
Hsllodulpa
HcipyT
enlaiwuli
smezonrehc
laivulli-yalcs
mezonrehC
civuL
slloduigrA
cipyT
e³aintanurbzs
mezonrehccib
mac)cib
maC(
smezonreh
Ccicla
C/cilpaH
slloduiclaC/sllodulpa
HcipyT
ewojelg-o
wodapos
mezonrehcciyelgongats
)cingatS(
smezonreh
Ccicla
C/cilpaH
slloduiclaC/sllodulpa
Hciuqayx
O
eimeiz
enrazC
shtraekcal
Bcingat
S/ciyelG
,smezoeah
Pcingat
S/ciyelG
;smezonreh
Csllouq
A
ewopyt
shtraekcalb
lacipyt;s
mezoeahPcingat
S/ciyelG
smezonrehc
cilpaHs
mezonrehCciyel
G)cingat
S(
sllouqaipE/sllouqaodn
EcipyT
sllouqaiclaC
cipyT
etawozsru
mshtrae
kcalbcihsru
mimes
)cihceN(
smezoeah
Pciyel
Gsllouqaodn
EcipyT
enawogu³y
wshtrae
kcalbdehcael
smezoeah
Pcingat
S/ciyelG
sllouqaodnE
cipyT
e³komdop
shtraekcalb
deggolretaw
slosyelG
cilloM
sllouqaodnE
cipyT
enlaiwuli
shtraekcalb
laivulli-yalcs
mezoeahP
cingatS/ciyel
Gcivu
Lsllouqaigr
AcipyT
e³aintanurbzshtrae
kcalbcib
macs
mezoeahP
cingatS/ciyel
Gcib
maC
sllouqaipE/sllouqaodn
EcipyT
ewokitre
wshtrae
kcalbcitrev
)cingatS(
smezonreh
Ccitre
Vsllouqaodn
Ecitre
V
ewokiclak
shtraekcalb
ciclac;)cingat
S(s
mezonrehC
ciclaC
smezonreh
Ccicla
Cciyel
Gsllouqaicla
CcipyT
Tabl
e 5
cont
inue
d
86 CEZARY KABA£A et al.
ynizdêR
enmeizonrazc
cimezonreh
Csanizdner
cizdneR
;smezoeah
Psllodne
R
ewopyt
sanizdnerci
mezonrehclacipyt
smezoeah
Pcizdne
Rsllodulpa
Hcihca
P,sllodnerpa
HcipyT
enroizejopsanizdner
cimezonrehc
cinmil
)cinmi
L(s
mezoeahP
cizdneR
citneuqavulF
,sllodnerpaH
cipyTsllouqaodn
E
e³aintanurbzsanizdner
cimezonrehc
nworb
smezoeah
Pcizdne
Rcib
maC
sllodnerpaH
citpecnI
ydaM
enmeizonrazc
cimezonreh
Claivulla
kcalb/sanizdner
civulF
;smezoeah
Pcitnevul
F,sllodulpa
Hsllouquodn
E
ewopyt
slios-laivullaci
mezonrehclacipyt
smezoeah
Pcivul
Fsllodulpa
Hcitnevul
F
e³aintanurbzslios
laivullaci
mezonrehcn
worbs
mezoeahP
civulF
cibma
Csllodulpa
Hcitnevul
F
ewazdr
slioslaivulla
cimezonrehc
ytsur)cinur
B,ciner
A(s
mezoeahP
civulF
sllodulpaH
citnevulF
ewojelg-o
wotnurgslios
laivullaci
mezonrehcciyelg
smezoeah
Pciyel
Gcivul
Fsllouqaodn
Ecitneuqavul
F
ewojelg-o
wodapolaivulla
cimezonrehc
ciyelgongatsslios
smezoeah
Pcingat
Scivul
Fsllouqaip
Ecitneuqavul
F
ybelG
enlaiwuled
enmeizonrazc
cimezonreh
Cslios
laivulloc
smezoeah
P)civullo
C(,sllodulpa
Hsllouqaodn
E
ewopyt
slioslaivulloc
cimezonrehc
lacipyt)civullo
C(s
mezoeahP
cilpaH
sllodulpaH
citnevulF/cipyT
ewofrotan
noslios
laivullocci
mezonrehctaep
slosotsiH
revo)civullo
C(s
mezoeahP
cilpaH
stsimeholpa
H/stsirpasolpa
HcirreT
ewojelg-o
wotnurgslios
laivullocci
mezonrehcciyelg
cilloM
,)civulloC(
smezoeah
Pciyel
G)civullo
C(slosyel
G,sllouqaodn
Ecitneuqavul
F/cipyTsllodulpa
Hcitneuqavul
F
ewojelg-o
wodapoci
mezonrehcciyelgongats
slioslaivulloc
)civulloC(
smezoeah
Pcingat
S,sllouqaip
Ecitneuqavul
F/cipyTsllodulpa
Hcitneuqavul
F
ybelG
etawozsru
mcihsru
mimeSslios
cirbm
Uslosyel
G,)ci
muH(
ciyelG
slosirbm
U;)cihce
N(stpeuqa
muH
ewopyt
slioscihsru
mimes
lacipyt)ci
muH
,cinerA(
slosyelG
cirbm
U/cilloM
stpeuqamu
HcipyT
*etsazsrum
ybelgslios
cihsrumtsop
;)cihceN
,cinerA(
slosyelG
cirbm
U)cihce
N,ciner
A(slosirb
mU
ciyelG
stpeuqamu
HcipyT
ewazdr
slioscihsru
mimes
ytsur)cihce
N,ciner
A(slosirb
mU
ciyelG
cinurB
stpeuqamu
HcipyT
ewocileib
slioscihsru
mimes
cilozdop)cihce
N,ciner
A(lozdoP
cirbm
Ustpeuqa
muH
cipyT
ewoc
wadurslios
cihsrumi
mesgob-nori
)cimu
H,cirre
F,ciner
A(slosyel
Gcirb
mU
stpeuqamu
Hcire
A
e³komdop
slioscihsru
mimes
deggolretaw
)cihceN
,cimu
H(slosyel
Gcirb
mU
stpeuqamu
HcipyT
erazsybel
Gslios
yerG
,smezoeah
P;slosirb
mU
stpedumu
H
ewopyt
sliosyerg
lacipyts
mezoeahP
cilpaH
stpedumu
Hcirtu
E
*elosirbmu
slosirbmu
slosirbm
Ucilpa
Hstpedu
muH
citnE/cipyT
e³aintanurbzslios
yergcib
macslosirb
mU/s
mezoeahP
cibma
Cstpedu
muH
cirtuE/cipyT
enlaiwuli
sliosyerg
laivulli-yalcslosirb
mU
cilA/civu
L,s
mezoeahP
civuL
sfladulpaH
cilloM
ewocileib
sliosyerg
cilozdopslozdo
Pcirb
mU
stpedumu
Hcitn
E
ewojelg-o
wotnurgslios
yergciyelg
slosirbm
U/smezoeah
Pciyel
Gstpedu
muH
ciuqA
ewojelg-o
wodaposlios
yergciyelgongats
slosirbm
U/smezoeah
Pcingat
Sstpedu
muH
ciuqayxO
–ec¹jeinzcêp
ybelG
–6
redrO
sliosg
nillews
:.gn
Eslositre
V:4102
TS
–slositre
V:5102
BR
W–
elositreW
slositreV;slositre
V,stred
Ustreuq
A
ewopyt
slositrevlacipyt
)cingatS(
slositreV
cilpaH
stredulpaH
ciuqayxO
enmeizonrazc
slositrevkcalb
)cilloM(
slositreV
cilleP
stredulpaH
cipyT
ewojelg-o
wotnurgslositrev
ciyelg)ciyel
G(slositreV
cilpaH
streuqaodnE
cipyT
Tabl
e 5
cont
inue
d
87Polish Soil Classification, 6th edition – principles, classification scheme and correlations
–en
meizojelgybel
G–
7redr
Oslios
cimezyelg
:.gn
EslositpecnI,slositn
E:4102
TS
–slosongatS,slosyel
G:5102
BR
W–
ybelG
-owotnurge
wojelgslosyel
G
;slosyelG
,stneuqaodnE
stpeuqamu
H
ewopyt
slosyelglacipyt
slosyelG
cirtuE/cirtsy
Dstneuqaodn
EcipyT
endowdop
slosyelgcitauqabus
slosyelG
citauqabuS
stnessawolpa
HcipyT
ewofrot
slosyelgytaep
slosyelG
citsiH
stpeuqamu
Hcitsi
H
ewoityg
slosyelgajttyg
)cinmi
L(slosyel
Gcirtu
E/cirtsyD
stneuqaodnE
cipyT
ewo³u
mslosyelg
yddum
)cinmi
L(slosyel
Gcitsi
Hcivul
Fstpeuqa
muH
citsiH
ewozsru
mslosyelg
cihsrum
)cihsruM(
slosyelG
citsiH
stpeuqamu
Hcitsi
H
etawozsru
mslosyelg
cihsrumi
mes)cihce
N,ci
muH(
slosyelG
cirtuE/cirtsy
Dstpeuqa
muH
cipyT
etsaifrotslosyelg
ytaep-larenim
)cimu
H(slosyel
Gcirtu
E/cirtsyD
stpeuqamu
HcipyT
enzcinhcórpslosyelg
cimuh
)cimu
H(slosyel
Gcirtu
E/cirtsyD
stpeuqamu
HcipyT
,stneuqaodnE
cilloM
enawocileibz
slosyelgcilozdop
)cidopsotorP(
slosyelG
ciblA
cirtsyD
stneuqaodnE
citpeuqamu
H
ewoc
wadurslosyelg
gob-nori)cirre
F(slosyel
Gcirtu
E/cirtsyD
stneuqaodnE
cireA
ybelG
-owodapoe
wojelgslongatS
;slosongatS
stneuqaipE
ewopyt
slosongatslacipyt
slosongatS
cirtuE/cirtsy
Dstneuqaip
EcipyT
*ewojelgipe
ybelgslosongatsipe
slosongatS
cirtuE/cirtsy
Dstneuqaip
EcipyT
*ewojelgif
maybelg
slosongatsihpma
slosongatS
ciyelG
stneuqaodnE
cipyT
ewozsru
mslosongats
cihsrum
)ciniarD(
slosongatS
citsiH
stpeuqamu
Hcitsi
H
etsaifrotslosongats
ytaep-larenim
)cimu
H(slosongat
Scirtu
E/cirtsyD
stneuqaodnE
cilloM/citpeuqa
muH
enawocileibz
slosongatscilozdop
)cidopsotorP(
slosongatS
ciblA/cirtsy
Dstneuqaip
EcipyT
–enzcinagro
ybelG
–8
redrO
–slios
cinagro
:.gn
Eslosotsi
H:4102
TS
–slosyel
Gcitsi
H,slosotsiH
:5102B
RW
ewofrot
ybelG
sliostae
P;slosotsi
H,stsirpaS,stsi
meH
stsirbiF
*ewofrotan
ybelgslios
taepderevoc-htrae
)civoN(
slosotsiH
cirpaS/ci
meH/cirbi
F/stsirpasolpa
HcirreT
stsirbifolpaH/stsi
meholpaH
eworbif
sliostaep
cirbifslosotsi
Hcirbi
Fstsirbifolpa
H,stsirbifongahp
S
ewo
mehslios
taepci
mehslosotsi
Hci
meH
stsimeholpa
H
eworpas
sliostaep
cirpasslosotsi
Hcirpa
Sstsirpasolpa
H
ewozsru
mslios
taepcihsru
mslosotsi
Hcihsru
Mstsirpasolpa
H
ewoityg
sliostaep
ajttyg)cin
miL(
slosotsiH
cihsruM
stsimeholpa
H/stsirpasolpa
Hcin
miL
ewo³u
mslios
taepyddu
m)cin
miL/civul
F(slosotsi
Hcihsru
M/stsirpasolpa
Hcitneuqavul
Fstsi
meholpaH
ewon
milybel
Gslios
cinmi
Lslosotsi
H;)cin
miL(
cinmi
L/stsirpasolpa
Hstsi
meholpaH
*ewoityg
ybelgslios
ajttyg)cin
miL(
slosotsiH
cirpaS
stsimeholpa
H/stsirpasolpa
Hcin
miL
*ewo³u
mybelg
sliosyddu
m)cin
miL/civul
F(slosotsi
Hcirpa
Sstsi
meholpaH
/stsirpasolpaH
cinmi
L
endowdop
slioscin
milcitauqabus
)cinmi
L(slosotsi
Hcitauqabu
Sstsissa
wolpaH
cime
H/cirpaS
ewofrot
slioscin
milytaep
)cinmi
L(slosotsi
Hstsi
meholpaH
/stsirpasolpaH
cinmi
L
ewozsru
mslios
cinmil
cihsrum
)cinmi
L(slosotsi
Hcihsru
Mstsirpasolpa
Hcin
miL
Tabl
e 5
cont
inue
d
88 CEZARY KABA£A et al.
ybelG
ewozsru
mslios
cihsruM
cihsruM
;slosotsiH
stsirpaS,stsi
meH
stsirbiF
*ewozsru
manybelg
slioscihsru
mderevoc-htrae
)civoN(
slosotsiH
cihsruM
stsirpasolpaH
cirreT
eworbif
slioscihsru
mcirbif
slosotsiH
cirbiF
cihsruM
stsirbifolpaH
cime
H
ewo
mehslios
cihsrum
cimeh
slosotsiHci
meH
cihsruM
stsimeholpa
Hcirpa
S
eworpas
slioscihsru
mcirpas
slosotsiH
cirpaS
cihsruM
stsirpasolpaH
cipyT
ewoityg
slioscihsru
majttyg
)cinmi
L(slosotsi
Hcihsru
Mstsirpasolpa
Hcin
miL
ewo³u
mslios
cihsrum
yddum
)cinmi
L/civulF(
slosotsiH
cihsruM
stsirpasolpaH
cinmi
L
eikty³pslios
cihsrum
nihtslosyel
Gcitsi
H,slosotsi
Hcihsru
Mstsirpasolpa
HcipyT
ybelG
ewok³óicœ
slosotsiH
ciloF
stsiloF
ewopyt
slosiloflacipyt
slosotsiH
ciloF
stsilofidU
cipyT
etsilaksslosilof
ykcorslosotsi
Hcikco
Rcilo
Fstsilofid
Ucihti
L
ewozso
murslosilof
sirbedslosotsi
Hci
waM
ciloF
stsilofidU
cihtiL/cipyT
ewonizdêr
slosilofsuoeraclac
)ciraclaC(
slosotsiH
ciloF
stsilofidU
cihtiL/cipyT
–enzcinegoportna
ybelG
–9
redrO
sliosci
negoporht
na:.g
nE
levelredro
tastnelaviuqe
on:4102
TS
–slosonhce
T,slosorhtnA
:5102B
RW
–
ybelG
enmeizorutluk
smezorutlu
C
;slosorhtnA
slosilloM
*elositrohslositroh
slosorhtnA
citroH
sllodumre
Vcilpa
H,sllodulpa
Hcihca
P
*elosortnaslosorhtna
)cihcaP
,cirhtnA(
smezoeah
Pcilpa
Hsllodulpa
Hcihca
P
*elosogirslosogir
)citacoleR(
slosogeR
cirtuE/cirtsy
D)slositn
E(tnelaviuqe
on
ewojelg-o
wotnurgs
mezorutlucciyelg
;)cihcaP
,cirhtnA(
smezoeah
Pciyel
G;)cihca
P,cirhtn
A(slosirb
mU
ciyelG
)citacoleR(
slosogeR
ciyelG
–
ybelG
enzcinegonhcetcinegonhceT
slios
;slosonhceT/citroporhtn
Acisnedorhtn
Astnehtrod
U
*elosonarkeslosonarke
slosonhceTcinark
Estnehtrod
Ucisnedorhtn
A
*elosibruslosibru
slosonhceTcibr
Ustnehtrod
Ucitroporhtn
A
*elosirtsudnislosirtsudni
slosonhceTcilop
Sstnehtrod
Ucitroporhtn
A
*elosifideslosifide
;)cilofotorP(
slosonhceTcitalosI
slosonhceTcitalosI
citeleksonhceTtnelaviuqe
on
*elosotkurtsnokslosotcurtsnoc
slosonhceTcini
L;slosonhceT
citalosIstnehtrod
Ucitroporhtn
A/cisnedorhtnA
*elosoreggaslosoregga
)citropsnarT(slosoge
Rcirtu
E/cirtsyD
stnehtrodU
citroporhtnA
*elosibrutslosibrut
)citacoleR(
slosogeR
cirtuE/cirtsy
Dtnelaviuqe
on
enzcinhcórpslosonhcet
cimuh
)cirbm
U/cilloM/ci
muH(
slosonhceT)sllodulpa
H(tnelaviuqe
on
ewojelg-o
wotnurgslosonhcet
ciyelg)ciyel
G(slosonhceT
–
ewojelg-o
wodaposlosonhcet
ciyelgongats)cingat
S(slosonhceT
–
Tabl
e 5
cont
inue
d
89Polish Soil Classification, 6th edition – principles, classification scheme and correlations
The 4th order of clay-illuvial soils (gleby p³owo-ziemne) consists of one soil type (gleby p³owe) thatbrings together various soils with an argik horizon.The placement of this order (in the key to soil orders,table 4) after the chernozemic soils excludes soils withmollik/umbrik horizons, whereas its placement beforepodzolic soils and gleyzemic soils gives a higherpriority for the argik horizon compared to the spodikhorizon and stagnic/gleyic properties. Only the soilswith "complete" sequence of crucial genetic (E-Bt) anddiagnostic (eluwik-argik) horizons are considered"typical", whereas soils featured by Ap-Bt morpho-logy are distinguished as eroded (truncated) clay-illuvial soils (Kobierski 2013, Œwitoniak 2014,Œwitoniak et al. 2016). All these soils may be corre-lated with Luvisols in WRB2015 if the stagnicproperties are weak to medium strong, or with LuvicStagnosols if stagnic properties are stronglydeveloped and start ≥25 cm from the soil surface(Waroszewski et al. 2018). Many of such soils, bothsilty- and loamy-textured, have eluvial tongues inan argik horizon, thus commonly were classifiedas Albeluvisols in accordance with previous WRBversions (Szymañski et al. 2011). Former Albeluvi-sols were also correlated with texturally contrastedsoils (gleby p³owe dwudzielne), i.e. soils with sandytopsoil and an abrupt textural difference at ≥50 cmfrom the soil surface, if eluvial tongues were presentin the Bt horizon. At present, the texturally contra-sted soils with stagnic properties are correlatedwith Planosols (irrespectively of the presence oftonguing) or with Retisols, if stagnic properties areweak (or absent) and tonguing is clearly developed(Komisarek and Sza³ata 2008; Koz³owski and Komi-sarek 2017; Musztyfaga and Kabala 2015; Waro-szewski et al. 2019). This complicated system ofequivalents is due to splitting the soils with an argichorizon into several separate RSGs in WRB 2015.In contrast, in SGP6, all these features are indicativeof separate subtypes listed hierarchi-cally (table 5),that may be used to name the soil individually or incombination, still within one type of clay-illuvialsoils (gleby p³owe). Extremely leached clay-illuvialsoils, featured by very low base saturation and podzoli-zation (gleby p³owe zbielicowane) have to be corre-lated with Alisols, and particularly wet (waterlogged)clay-illuvial soils (gleby p³owe podmok³e) withgleyic properties starting near the surface, have theirequivalent in Gleysols (Luvic). Most of arable clay-illuvial soils in Poland have a plough layer thickerthan 20 cm (due to the standard depth of ploughing)that may fulfil the requirements for a mollic horizonaccording to WRB2015 and result in soil „transfer”to Phaeozems. To avoid an inappropriate classi-
fication of many ordinary arable Luvisols as cherno-zemic soils, SGP6 requires significantly higher thick-ness for the mollik (and umbrik) horizon, i.e. 30 cm,instead of the 20 cm required in WRB2015. However,SGP6 allows simple correlation with WRB2015 byintroducing the subtype of humic clay-illuvial soils(table 5), which have a mollic horizon in terms of WRB2015.
The 5th order of black soils (gleby czarnoziemne)brings together soils with mollik, umbrik and areni-murszik horizons allocated into seven soil types. Thedefinition of chernozems (czarnoziemy) in SGP6 isbroader than of the respective RSG in WRB 2015because the mollik (but not chernic) horizon is required(≥30 cm thick) and secondary carbonates must occurat ≥150 cm, irrespectively of the thickness of themollik horizon (£abaz et al., 2018). Black earths(czarne ziemie) have a mollik horizon and strongredoximorphic features, either as gleyic or stagnicproperties (Konecka-Betley et al. 1996, £abaz andKaba³a 2014, Orzechowski et al. 2004). Some ofthese black earths have kalcik horizons below themollik and therefore may be correlated with Gleyic/Stagnic Chernozems in WRB 2015; the other blackearths, free of secondary carbonates, usually meetthe requirements of Gleyic/Stagnic Phaeozems;whereas, the waterlogged black earths may fulfillthe criteria of Mollic Gleysols. The next three types ofsoils with a mollik horizon correspond to Phaeozems.Chernozemic rendzinas (rêdziny czarnoziemne)developed from carbonate (or gypsum) rockscorrelate well with Rendzic Phaeozems. The type alsoincludes the specific subtype of limnic chernozemicrendzinas developed of drained calcareous gyttjaor highly calcareous meadow/lacustrine marl(Lemkowska and Sowiñski 2018; Uggla 1976).Chernozemic alluvial soils (mady czarnoziemne)typically correlate with Fluvic Phaeozems, andchernozemic colluvial soils (gleby deluwialneczarnoziemne) may be classified as Phaeozems witha Colluvic qualifier (Œwitoniak 2015). The uniquetype of semimurszik soils (gleby murszowate)requires an arenimurszik horizon featured by elevatedcontent of organic matter and weak binding of organicparticles to mineral grains. The concept and definitionof an arenimurszik horizon has a long tradition inPolish pedology and it allows distinguishing betweenseveral steps of organic material degradation andtransformation of organic layers into mineral-organicand mineral soil horizons after drainage (£abaz andKaba³a 2016, Mocek 1978, Rz¹sa 1963). Typically,these sandy soils correlate with Gleyic Umbrisolsor Umbric Gleysols. And finally, the grey soils (gle-by szare) accommodate all other soils with mollik
90 CEZARY KABA£A et al.
or umbrik horizons, which do not fulfil the criteriaof any other above listed type of chernozemic soils.They are mostly correlated with Umbrisols, but somesoils with mollik horizons, but lacking secondarycarbonates and strong redoximorphic features, maycorrelated with Haplic Phaeozems in WRB 2015.
The 6th order of swelling soils (gleby pêczniej¹ce)involves one type of soils with a wertik horizon andclayey texture throughout – wertisols, correlatedsimply with Vertisols of WRB2015. The most commonand most important are black vertisols (wertisoleczarnoziemne), correlated with the Pellic Vertisols(Mollic), and previously referred to as Smolnicasoils (Mocek et al. 2009, Prusinkiewicz 2001).
The 7th order of gleyzemic soils (gleby glejoziemne)consists of two soil types: (a) soils featured withgleyic properties starting ≥30 cm from the soil surface,well correlated with Gleysols (WRB 2015), and (b)soils featured with strong stagnic properties at ashallow depth, generally correlated with Stagnosols(WRB 2015). However, the definitions of gleysols andstagnosols in SGP6 are narrower than the respectiveRSGs definitions in WRB2015 and do not include soilswith diagnostic horizons such as mollik, umbrik,argik and spodik, all of which are keyed outearlier (table 4).
The 8th order of organic soils (gleby organiczne)brings together soil developed of organic material,which have a histik/murszik/folik horizon ≥30 cmthick. Although the required thickness of organichorizon for Histosols (table 4) and the requiredcontent of organic carbon in an organic material(table 3) differ in SGP6 and WRB2015, these unitsare in general well correlated. Separate types of peatsoils, limnic soils, murszik soils and folisols, subdividedinto numerous respective subtypes, provide a broadpossibility to reflect the different organic soil origin,composition, transformation or degradation paths, andfunctions in natural and human-impacted ecosystems(Glina et al. 2017; Kalisz and £achacz 2008, £achaczet al. 2009, Mendyk et al. 2015, Okruszko 1969,Roj-Rojewski and Walasek 2013; Skiba and Komor-nicki 1983; Wasak and Drewnik 2012). The uniquetype of murszik soils (gleby murszowe) includes soilsdeveloped of various primary organic materials (peat,gyttja, mud etc.); those surface layers have pedogeni-cally transformed to a depth of at least 30 cm aftersoil drainage and under crop cultivation or forestmanagement (Glina et al. 2016, Marcinek andSpychalski 1998, Mocek 1978, Piaœcik and £achacz1990; Rz¹sa 1963). The resulting murszik horizonmeets the criteria of histic horizon (WRB2015), but
consists in the majority of non-fibrous, humifiedorganic material (sapric) and has higher bulk densityand aggregate structure (Glina and Bogacz 2016;Piaœcik and Gotkiewicz 2004), reflected in aMurshic qualifier (WRB2015).
The last, 9th order – anthropogenic soils (glebyantropogeniczne) – consists of two types of (a) soilsdeeply mixed and fertilized to create a thick "cherno-zemic-like" topsoil horizon aimed to improve theiragricultural productivity – culturozems, correlated withAnthrosols (WRB2015), and (b) transformed orcreated in the course of intentional industrial orconstructional activity, often consisting of artefacts(tab. 3) – technogenic soils, in the majority correlatedwith Technosols (WRB2015). The first soil type,culturozems (gleby kulturoziemne), is traditionallydistinguished if a thick (>50 cm) hortik or antrikhorizon is present, or the soil is deeply mixed (rigo-sols) (Krupski et al. 2017). A new soil type of techno-genic soils brings together three previous types ofurbanozemic, industriozemic and saline soils (Syste-matyka gleb Polski 2011). The soil subtypes aredistinguished based on the presence of specific kindof artefacts – urbisols and industriosols (Greinert2015, Uzarowicz et al. 2017, 2018), the presence ofthe (near) surface soil coverage/sealing withimpermeable layer of concrete, asphalt etc. – ekrano-sols (Charzyñski et al. 2013a), or the presence of ageomembrane or technogenic hard layer within the soilprofile (constructosols), including the concretebunkers/fortification (Charzyñski et al. 2013b). Soilson the ruins, degraded walls or roofs of buildings aredistinguished as edifisols (Charzyñski et al. 2015). Allthese soils are simply correlated with Technosolsaccompanied with respective Principal qualifiers(table 5). Additiolenally, technogenic soils in SGP6involve the aggerosols – soil developed from earthmaterial poor in artefacts (thick heap material),transported more or less locally that forms an antropo-genic convex relief form (e.g. dam, road embankment)or fulfills concave forms. These soils may be correlatedin WRB2015 with Regosols (Transportic) that seemsinappropriate in case of soils existing in intentionallyconstructed relief forms. Also, the soils transformed/degraded due to deep mixing (in situ) of native soil atconstruction or other non-agricultural activity, termedturbisols, are distinguished as a subtype of technogenicsoils in SGP6, but in WRB2015 must be correlatedwith Regosols (Relocatic). An indication of soil con-tamination (toxicity), alkalinization, salinization,excessive fertilization etc. may be added as a variety(table 6).
91Polish Soil Classification, 6th edition – principles, classification scheme and correlations
RULES FOR SOIL CLASSIFICATION
The only appropriate way for soil classification(naming) in SGP6 is to follow the key to soil ordersand types (table 4) because the key reflects the priori-ties of classification (i.e. the diagnostic features thathave higher priority than others are listed earlier(higher) and have to be considered first). When classi-fying soils, the following rules must be applied:1. Classification must always start from the begin-
ning of the key.
TABLE 6. Soil varieties in Polish Soil Classification (SGP6): original names, English translations and their WRB closest equiva-lents
2. Classification must stop in a first (the earliest) clas-sification unit if all those requirements are met bythe soil under assessment. In other words, classifi-cation may follow to the next unit in the key only ifthe soil does not meet all criteria listed in the unitplaced earlier in the key.
3. The soil classification begins at the order level (i.e. thesoil must be first allocated to an appropriate soil order).
4. The key to soil types in a selected order can befollowed, when the soil certainly meets the criteriaof this order and does not meet all the criteria of theprevious order (placed earlier in the key).
6PGS)mroflarulpaniseman(
noitalsnarthsilgnE 5102BRWnisreifilauQ
3( dr )yteiravasadesuepytbus 3eht,emanliosanidesuneebydaerlaevah)mumixamdewolla(sepytbus2fI dr txenyllautnevedna(.)seiteirav(yteiravsadeddaebyam)sepytbusfotsillacihcrareihehtmorfsepytbus
)yteiravasadesuepytbusdettimo( nidetacidnitontub,6PGSnidenifedepytbusarofairetircehtsteemnoitacifissalcrednuliosehtfI.yteiravasaemanliosotdeddaebyam,epytliosnevigrofsepytbusfotsillacihcrareiha
retawdnastoorrofsreirraB
)rf(ewonapigarf napigarf cigarF
)cp(ewokicalp cicalp cicalP
)ur(ewocwadur norigob cirreF
)ro(ewonytzsro nietstro cinietstrO
)gz(enozczsêgaz deifisned nozirohhguolpehtgniylrednureyalehtotdetimiltub,cisneDekil
)ls(ewollemaloba³s rallemal-otorp ;)mc5<ebyam(deificepstoneallemalfossenkcihtlatottub,cillemaLekilcillemal-otorP
serutaefcinegodepdna-ohtiL
)wl(ewonalgêwonmil -inmilsuoeraclac
sniatnoctahtlairetamcinmiLsahmc001fohtpedehtot;tnelaviuqeon %02≥OCaC 3 reyalani ≥ kcihtmc02
)ac(ewonalgêw suoeraclac reyalasah;tnelaviuqeon ≥ romc05fohtpedehtotkcihtmc01 ≥ ehtotmc02sniatnochcihw,mc001fohtped ≥ OCaC%2 3 shtraeenifni
)wg(ewonalgêwokobê³g suoeraclacpeed ciraclacyhtaB
)ig(ewospig suoespyg kcordrahcirispygasah;cirispyGhtiwdetalerrocebyamnetfotub,tnelaviuqeonfohtpedehtta ≤ noteleksehtnistnemgarfkcorcirispygfo%05>dnamc051
noitcarf
)xm(enazseim dexim ehttakcorsuoeraclac/cirispygahtiwsliosanizdnerotdeilppa;tnelaviuqeonfohtped ≥ noteleksehtnistnemgarfkcorsuoecilis)1(evahtaht,mc051
shtraeenifehtnignitanimod)dnasztrauq.g.e(slairetamsuoecilis)2(ro,noitcarf
)zp(etyrkyzrp derevoc civoN,civullocipE,ciloeA
)zc(enowrezc der )RY5.7nahtredder,tsiom,euhruoloc(cidohR,cimorhC
)hg(enzcinhcórpokobê³g cimuhpeed cihcaP
)sz(enolosaz enilas cilasotorP
)ss(ewodos-ono³s cidos-enilas cidoSdnacilasotorP
)ds(enzcilakla-owodos enilakla-cidos cilaklA,cidoS
)sk(ewonazcrais-onœawk cidicaetaflus cinoihT
)rs(ewokzcrais cidiflus cidiflusrepyH
)ro(enzcinegotinro cinegohtinro feilerorcimgnivahsetisgnitsendribfosliososlasedulcnitub;cihtinrOekilsnoitcurtsnoctsenoteuddegnahc
)xxb(enabezrgop deirub )nozirohcitsongaidelpmisfodaetsni(liosevitanotdeilppatub,-otpahTekillioscinegoporhtnarolaivullocnredomrednudeirub
92 CEZARY KABA£A et al.
Table 6 continued
serutaefcihpromixoderkaew/peeD
-owotnurgokobê³goinderœ)ggs(ewojelg
ciyelgpeedmuidem mc031dna08neewtebseitreporpciyelgtub,ciyelgodnEekil
-owodapookobê³goinderœ)gos(ewojelg
peedmuidemcingats
mc031dna08neewtebseitreporpcingatstub,cingatsodnEekil
ewojelg-owotnurgokobê³g)ggg(
ciyelgpeed mc031wolebseitreporpciyelgtub,ciyelgyhtaBekil
ewojelg-owodapookobê³g)gog(
cingatspeed mc031wolebseitreporpcingatstub,cingatsyhtaBekil
)ggs(ewojelg-owotnurgoba³s ciyelgylkaew ciyelg-otorPekil,tnelaviuqeon
)gos(ewojelg-owodapooba³s cingatsylkaew cingats-otorPekil,tnelaviuqeon
erutaefcinegoporhtnA s
)wo(enoindowdo deniard ciniarD
)wz(enoindowaz yllaicifitradeggolretaw
ciyelgrocingatstub,ytivitcanamuhtneceroteuddeggolretaw;tnelaviuqeondepolevedtonseitreporp
)bz(enozrubaz debrutsid mc05<fohtpedehtottub,citacoleRekil
)sn(ewopysan depaeh kcihtmc05<tub,citropsnarTekil
)rz(enawowytlukerz demialcer -iretcarahccitropsnarTtocitacoleRhtiwsliosroslioscinegonhcet;tnelaviuqeonnozirohsumuhevah,noitamalcerlacigoloibrolacinhcetretfascits ≥ kcihtmc01
)xt()enzcyskot(eno¿aks )cixot(detanimatnoc cixoT
)zk(enmeizorutluk cimezorutluc cirhtnA,citroH
)lm(ewozreleimop elip-laocrahc reyalasah;citerProfairetircteemyamtub,tnelaviuqeon ≥ tahtkcihtmc02noitcudorplaocrahcremroffosetisniyltsom;laocrahcfo).lov(%5>sniatnoc
)wa(ewolgêw-oportna cinobrac-oporhtna cinobraC
)sa(ewokzcrais-oportna cidiflus-oporhtna slairetamcinegoporhtnaotdetimiltub,cidifluSekil
)za(ewonazcrais-oportna citaflus-oporhtna rofairetirclifluftahtnigirocinegoporhtnafosetaflusniatnoc;tnelaviuqeon stcafetra
sliostserofniserutaefcinegoporhtnacificepS
)pl(enlorop elbara-tsop reyalhguolpevah;noitatseroffaerofebdetavitlucliostserof;tnelaviuqeon ≥ mc02rokciht ≥ noitategevnisecnereffidelbatcetedylraelcdnakcihtmc01
)al(enzcifortorga cihportorga tahtstneirtunhtiwdehcirneyltnacifingistub,yteiravelbara-tsopekil;tnelaviuqeonnoitategevnotcapmiraelcsahllits
)sl(enwarpuiwlys larutlucivlys reyaldexim/hguolpevahtahtliostserof;tnelaviuqeon ≥ tserofoteudkcihtmc02noitavitluc
)yl(enzcifortiwlys cihportivlys tahtstneirtunhtiwdehcirneyltnacifingistub,yteiravlarutlucivlysekil;tnelaviuqeonnoitategevnotcapmiraelcsah
)zl(enawozilaklaz dezilaklayllaicifitra fonoissimioteuddezilaklareyalliospotevahtahtsliostserof;tnelaviuqeontsudlairtsudnienilakla
)nosirapmocetisrofronoitatseroffarofdennalpsliostserof-nonotdeilppaebyam(tatibahtseroffosutatscihporT 3
)yd(enzcifortsyd cihportsyd cirtsyDhtiwsetalerroctub,tnelaviuqeon
)lo(enzcifortogilo cihportogilo cirtsyDhtiwsetalerroctub,tnelaviuqeon
)em(enzcifortosem cihportosem cirtuEhtiwsetalerroctub,tnelaviuqeon
)ue(enzcifortue cihportue cirtuEhtiwsetalerroctub,tnelaviuqeon
slioscinagro-larenimdnacinagroniepytylppusretaW
)mo(enzcinegorbmo suoenegorbmo cirbmO
)rz(enzcinegilos suoenegilos retawgnirpsotdetimiltub,ciehR
)wf(enzcinegoiwulf suoenegoivulf retaw)doolf(revirotdetimiltub,ciehR
)ab(ewonesab retawdnuorgdeilppus
retawdnuorgotdetimiltub,ciehR
)os(ewokots retawepolsdeilppus
sepols-llihnoretawdnuorgdnaecafrusotdetimiltub,ciehRekil
3 according to trophic soil index (SIG) (Bro¿ek et al. 2011).
93Polish Soil Classification, 6th edition – principles, classification scheme and correlations
5. There is no exclusive key to soil subtypes, but thelist of subtypes within a certain type is hierarchical(strictly ordered), i.e. the subtype placed earlier inthe list has a higher priority than the subtypesmentioned below. Thus, the selection of subtypesshould always start from the beginning of their list.
6. Soil subtypes can be combined if the soil hasdiagnostic features of more than one subtype. Whencombining subtypes, the following rules apply:a) the "typical" subtype is excluded from thecombinations (may be used as single only); itmeans that the "typical" subtype is used if none ofthe earlier listed subtypes can be applied;b) two subtypes may be combined at maximum;the third and more subtypes, if necessary, can beadded to soil name as the variety;(c) combined subtypes cannot exclude each otherin any of the listed criteria;d) any concurrent subtype and primary subtypecannot be combined with other concurrent subtypeor primary subtype;e) the order of subtypes in the combination mustfollow their order in the hierarchical list of subty-pes; thus, the concurrent/primary subtype will bealways placed before the transitional or supplemen-tary subtype;(f) rules c-e apply differently in peat soils becausethe layers of different organic materials mayoccur in the soil profile in various combinations(the rules are separately specified).
7. Soil varieties are used optionally only, but forvarious reasons, it is recommended to record themin all fieldwork. The following rules apply atrecording of soil varieties:(a) the varieties are given in brackets after the typeand subtype(s), but before the genus and species;(b) the varieties are separated by a comma(s);(c) the varieties in the soil name are listed in thesame order as varieties are listed in the classification.
CLASSIFICATION OF BURIED SOILS
Although the Polish Soil Classification (SGP6),similarly to other contemporary international andnational systems, refers mainly to soils that arecurrently forming and existing on the land surface, itmay be also used for naming of the buried (fossil)soils – due to the absence of alternatives. However, itshould be stressed that its use for classification ofthe buried (subsurface) soils cannot distort the senseof surface (modern) soil classification because theclassification priorities are established taking intoaccount current productivity and environmentalfunctions of soils identified on the land surface.It is assumed that the buried soils will be distingu-ished rather exceptionally, mainly for scientific requ-irements.
SGP6 can separately classify the surface (modern)soil and the buried soil using the following rules:1. Buried soil is a soil covered by younger sediments.
The presence of the secondary soil-forming processthat overlaps the original soil profile withoutphysical coverage with the younger sediment is nota basis for distinguishing buried soil.
2. Buried soil and the overlying younger material areclassified as one (surface/modern) soil, when as awhole they meet the criteria of:(a) organic, gleyzemic or anthropogenic soilorders,(b) the subtype of texturally contrasted clay-illu-vial soils,(c) alluvial or colluvial soil types (in the orderswhere they are distinguished).
3. Surface soil (developed from the younger coveringmaterial) may be classified separately from theburied soil if:(a) the covering material is >50 cm thick, and(b) the surface soil meets all diagnostic criteria fora given soil type, and
Table 6 continued
ssenkcihtdnasepytdnaltaeP
)tp(eikty³p wollahs citsiH
)wt(ewoksiwofrotokosyw gobdesiar ytirojamnisessomhtiwgobdesiarcihportsyd;tnelaviuqeon
)pt(ewoksiwofrot-owoicœjezrp goblanoitisnart noitategevsuoiravhtiwgoblanoitisnartcihportosem;tnelaviuqeon
ewoksiwofrotoksin)mnt(ewoksiwohcem
nefssom ytirojamnisessomhtiwnefcihportue;tnelaviuqeon
ewoksiwofrotoksin)tnt(ewoksiwocyzrut
nefegdes ytirojamniseicepsegdeshtiwnefcihportue;tnelaviuqeon
eworawuzsewoksiwofrotoksin)snt(
nefdebdeer ytirojamninoitategevdebdeerhtiwnefcihportue;tnelaviuqeon
ewoseloewoksiwofrotoksin)ont(
nefdnaldoow )redlayltsom(noitategevtseroftnanimodhtiwnefcihportue;tnelaviuqeon
94 CEZARY KABA£A et al.
(c) separate classification of surface soil does notinterfere with the classification of soil as a whole.
4. If the thickness of the younger covering material is<50 cm, the buried soil is classified with priority(like surface soil) and the presence of thin coveringmaterial is indicated as a variety.
5. In the case of anthropogenic and colluvial soils, itis possible to indicate the name of native soil (defacto buried) as the variety; however, this supple-mentary information does not change the classifi-cation of the modern soil recognized as an anthro-pogenic or colluvial one.
CLOSING WORDS
Classification, as a system comprehensivelycovering all pedological knowledge on soil genesis andrelationships, should be periodically revised inaccordance with the state-of-the-art. We hope themodernized sixth edition of Polish Soil Classificationwill allow for enhanced, both precise and synteticdescription of soil resources in Poland, their diversityand environmental and utility functions, and willbecome a platform for new cartographic studies,preparation of modern soil databases and initiation ofnew interdisciplinary scientific studies at thehighest international level. SGP6, benefiting from theachievements of global soil science, offers at the sametime a number of essential modifications and innova-tive solutions for international classification systems.
ACKNOWLEDGEMENTS
We would like to thank all members of the Com-mission for Soil Genesis, Classification and Carto-graphy of the Soil Science Society of Poland and allother people who actively supported preparartion ofSGP6 with kind suggestions, professional discussionand field testing, in particular: Prof. Renata Bedna-rek, Prof. Stanis³aw Bia³ousz, Prof. Adam Bogacz,Prof. Józef Chojnicki, Prof. Danuta Czêpiñska-Ka-miñska, Dr Wojciech Kwasowski, Prof. AndrzejMocek, Prof. Stefan Skiba, Prof. Piotr Sk³odowskiand Dr hab. Wojciech Szymañski.
We would like also to express our gratitude toauthors of the previous editions of the Polish SoilClassification and Classfication of Forest Soils ofPoland; such work has continually greatly supporteddevelopment of new ideas in soil science and modernunderstanding of soil classification in Poland to asignificant degree.
We are also grateful to the President of the SoilScience Society of Poland, Prof. Zbigniew Zagórski,for his strong support of this project.
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Received: May 27, 2019Accepted: July 24, 2019Associated editor: J. Chojnicki
97Polish Soil Classification, 6th edition – principles, classification scheme and correlations
Systematyka gleb Polski, wydanie szóste – podstawy teoretyczne,schemat klasyfikacji i korelacje
Streszczenie: Szóste wydanie Systematyki gleb Polski (SGP6) ma na celu ugruntowanie pozycji klasyfikacji gleb w Polsce jakonowoczesnego systemu naukowego, który odzwierciedla aktualny stan wiedzy naukowej, wspó³czesne rozumienie funkcji gleboraz potrzeby praktyczne, w tym zwi¹zane z kartografi¹ gleb. SGP6 kontynuuje tradycjê ostatnich wydañ systematyki przygotowa-nych pod auspicjami Polskiego Towarzystwa Gleboznawczego, w szczególnoœci w zakresie konsekwentnego stosowania iloœciowozdefiniowanych poziomów, w³aœciwoœci i materia³ów diagnostycznych, ale zawsze odnosz¹cych siê do genezy i wspó³czesnegoprzeobra¿enia gleb. Definicja gleby – przedmiotu klasyfikacji – zosta³a zmodernizowana w odpowiedzi na wspó³czesne potrzebyszerszego uwzglêdnienia (oraz w³aœciwego nazwania) gleb stworzonych przez cz³owieka lub podlegaj¹cych silnym przeobra¿e-niom pod wp³ywem cz³owieka. Zatem na potrzeby SGP6 gleba jest definiowana jako powierzchniowa czêœæ litosfery lub trwalepowi¹zane z litosfer¹ (za poœrednictwem budynków lub budowli) nagromadzenie czêœci mineralnych i organicznych, pochodz¹cychz wietrzenia lub akumulacji, naturalnej lub antropogenicznej, ulegaj¹ce przeobra¿eniu przy udziale czynników glebotwórczychoraz maj¹ce zdolnoœæ zaopatrywania organizmów ¿ywych w wodê i sk³adniki pokarmowe. SGP6 wyró¿nia trzy hierarchicznepoziomy klasyfikacji: rz¹d (w ³¹cznej liczbie 9), typ (podstawowa jednostka klasyfikacyjna; ³¹cznie 30 typów) i podtyp (³¹cznie183 jednostki wyró¿niane na podstawie 62 zdefiniowanych podtypów; podtypy s¹ wymienione hierarchicznie, osobno w ka¿dymtypie), którym towarzysz¹ trzy niehierarchiczne poziomy klasyfikacyjne: odmiana (definiuj¹ca dodatkowe cechy pedo-, lito- lubantropogeniczne), rodzaj (definiuj¹cy rodzaj ska³y macierzystej) i gatunek (definiuj¹cy uziarnienie w profilu). Jednostki niehierar-chiczne maj¹ uniwersalne definicje, co umo¿liwia ich u¿ycie w ró¿nych rzêdach/typach, jeœli tylko spe³nione s¹ wszystkie wyma-gania wymienione w definicji. Poni¿szy artyku³ objaœnia podstawy teoretyczne, schemat klasyfikacji oraz zasady klasyfikacji glebw SGP6, obejmuje klucz do rzêdów i typów, tabelê wyjaœniaj¹c¹ zale¿noœci miêdzy poziomami, w³aœciwoœciami i materia³amidiagnostycznymi wyró¿nianymi w SGP6 oraz w ostatnim wydaniu klasyfikacji miêdzynarodowej FAO-WRB, a tak¿e tabelê kore-lacji miêdzy SGP6 a WRB i Soil Taxonomy.
S³owa kluczowe: systematyka gleb, rz¹d gleb, typ gleb, geneza gleb, World Reference Base, Soil Taxonomy