tillage equipment - u.s. department of agriculture
TRANSCRIPT
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Tillage Equipment Pocket Identification Guide
Til lage Systems-
Primary Ti l lage-
Secondary Ti l lage-
Ferti l izer/Manure-
Combination Tools-
Other-October 2010
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About this guide...The purpose of the guide is to help you identify
commonly used farm equipment. Its color photos and line drawingswill facilitate communication between NRCS and our clients by providing common definitions and RUSLE2 terminology.
Revised Universal Soil Loss Equation, Version 2 (RUSLE2), wasdeveloped primarily to guide conservation planning, inventory erosion rates and estimate sediment delivery. Values computed byRUSLE2 are supported by accepted scientific knowledge and techni-cal judgment, are consistent with sound principles of conservationplanning, and result in good conservation plans.
The different systems reviewed in this guide are color coded.The page boarder colors will group the different systems together:
Tillage Systems-green Fertilizer/Manure-brown Primary Tillage-red Combination Tools-blueSecondary Tillage-yellow Other-orange
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Mulch-Till Planting System
Mulch-till planting will leave varying residue levels afterplanting depending upon the number of tillage passes and thelevel of soil disturbance.
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Mulch-Till Planting System
Mulch-till - The soil is disturbed the full width prior toplanting. Tillage tools such as chisels, field cultivators or disksare used full width. Weed control is accomplished with herbicidesand/or cultivation.
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No-till planting with residue. Long term, no-till is aneffective erosion control and significantly reduces surfacerunoff. This reduces sediment and nutrient loading of lakes andstreams, which improves water quality and reduces flooding.
No-Till Planting System
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No-Till Planting System
No-till - The soil is left undisturbed from harvest to plantingexcept for nutrient injection. Planting or drilling is accomplishedin a narrow seedbed or slot created by coulters, row cleaners ordisk openers. Weed control is accomplished primarily with herbi-cides. Cultivation may be used for emergency weed control.
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Ridge-Till Planting System
Ridge-till - The soil isleft undisturbed fromharvest to planting.Planting is completed in aseedbed prepared onridges with sweeps, diskopeners, coulters, or rowcleaners. Residue is lefton the surface betweenridges. Weed control isaccomplished with herbi-cides and/or cultivation.Ridges are rebuilt duringcultivation.
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Ridge-Till
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Strip-Till and Zone-Till Planting System
Seedbed preparation is completed in a narrow band no more than1/3 of the row width. It may be completed in the fall with the appli-cation of nutrient or at planting time. Crop residue and soil con-solidation is left undisturbed between the seedbed areas.
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Strip-Till and Zone-Till Planting System
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The Chisel Plow components may include various types ofsweeps, spikes and shovels attached to the shanks. In the Midwest,many producers use 2-inch wide reversible-point spikes or 2.5-to 4-inch wide twisted shovels. Spikes and sweeps do less soil mixingand cover less residue than do twisted shovels.
Some chisel plows are equipped with a gang of coulters or diskblades mounted in front to cut residue.
Chisel Plow
Reduced tillage isusually done with achisel plow andleaves 15% to 30%residue coverage onthe soil.
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Chisel Plow
The selection of the specific primary tillage tooland type of points or blades is important to the suc-cess of mulch-till systems. Generally, the less inver-sion action the point or shovel creates, the lessresidue is buried.
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Chisel Plow
Primary tillage implement used in the fall that breaks andshatters the soil leaving it rough with residue on or near thesurface. Operating depth ranges from 6 to 12 inches.
RUSLE2 - Chisel, straight points
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Chisel with Sweeps
RUSLE2 - Chisel, Sweep Shovel
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Chisel Points
A. 2” reversible pikepoint
B. 2” reversible Straight Chisel Point
C. 3” right and left twisted shovels Points
D. 4-1/2” reversible shovel
E. 8” or 10” shovelsF. 12”, 14”, 16”, or
18” sweeps
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Sweeps and spike points bury less residue than do straightpoints or twisted points. Slower speeds and shallower operatingdepths usually leave more residues.
A b c d e f
(A) 3 inch twisted (D) Sweep(B) 3 inch straight (E) 4 1/2 inch wide twisted(C) 2 inch wide Straight (F) 4 1/2 inch straight point
Chisel Points
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Disk
A disk is a tillage implement that pulverizes or smooths thesoil. Its concave cutting blades are mounted on a common shaft toform a gang. A disk consists of two or more gangs attached to aframe. The operating depth is usually one quarter of the diskdiameter.
Offset diskis used for primary
tillage.
Tandemdisk is used for
both primary andsecondary tillage.
RUSLE2 - disk, offset RUSLE2 - disk tandem
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Disk, tandem
RUSLE2 - Disk, Tandem
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Heavy Offset Disk
Sometimes called a plowing disk, this disk uses its weightand large diameter blades to slice and turn soil and residue. Itdoes extensive soil disturbance and residue burial.
RUSLE2 - Disk, offset, heavy 15 inch depth
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Disk - Tandem Light Finish
The tandem light finish tool provides less soil disturbancethan the offset disk, leaving more residue on the soil surface.The amount of residue left on the soil surface depends upon thedepth of tillage, speed and moisture content of the soil at thetime of tillage.
RUSLE2 - Disk, tandem light finish
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Para-plow
The purpose of the Para-plow is to loosen compacted soillayers 12 to 16 inches deep and still maintain high surfaceresidue levels. The Para-plow lifts and fractures the soil.
RUSLE2 - Para-plow or para-till
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Para-Plow
Surface residue is left onthe soil surface as the soil islifted and fractured below.
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Plow - moldboard
RUSLE2 - Plow, moldboard
The moldboard plow thoroughly lifts and invertsthe soil leaving very little residue on the soil surface.
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Plow - Moldboard
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The subsoiler is a primary tillage tool, used in the fall, that issimilar to a chiselplow. It is typicallydesigned to pene-trate 12 to 22 inchesdeep to alleviate soilcompaction.
Subsoiling isoften used to loosencompacted areas offields where heavyloads have passed.The amount of distur-bance will depend upon the shape of the shank and the workingangle of the tool bar.
In-Row Subsoilers do less soil disturbance than a conventionalsubsoiler or V-Ripper. Use “Subsoiler, in-row” for the RUSLE2operation when using subsoilers that do little disturbance of sur-face residue.
V-Ripper
RUSLE2 - Subsoiler
Subsoiler/V-Ripper
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Subsoiler/Shanks
Subsoiler shanks:(a) straight(b) parabolic(c) bent leg
a b c
A
B
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AerWay®
While maintaining surface residue, Shattertines crackand shatter compacted soil 8 inches to open new channelsfor air and water.
RUSLE2 - Aerator, field surface, ground driven
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AerWay®
AerWay® shattertines liftand fracture the soil to increaseair and water movement.
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Field Cultivator with Harrow Attachment
A field cultivator is designed for light tillage and field fin-ishing. Usually they are used for secondary tillage and forincorporating herbicides. Spiked point field cultivators do lit-tle soil mixing and leave more residue on the surface.
For RUSLE 2 Calculations this is two operations–cultivator,field with 6-12 inch shovels and spiked tooth harrow.
RUSLE2 - Cultivator, field with 6-12 inch ShovelC and Spiked Tooth Harrow Attachment
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Field Cultivator–with Coiled Tine Harrow
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Field Cultivator - Sweeps
Field cultivators equippedwith sweeps do extensive hor-izontal and vertical soil mix-ing. Sweeps are the choicefor herbicide incorporation.Sweeps bury more residuethan field cultivatorsequipped with spiked points.
RUSLE2 - Cultivator, field 6-12 inch sweeps
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Field Cultivator - Sweeps
For RUSLE 2 calculations, this is two operations–cultivator, field 6-12 inch sweeps with harrow coiled tines.
RUSLE 2 - Cultivator, Field 6-12 inchsweeps with harrow coiled tine
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Rolling Cultivator
A Rolling cultivator uses two spidergangs on each row assembly. It operates inheavy residue without clogging.
RUSLE2 - Cultivator, rotary
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Rolling Cultivator
RUSLE2 - Rolling Basket Incorporate
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Row Cultivator
Row cultivators kill weeds while preserving the crop.
RUSLE2 - Cultivator, row
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Row Cultivator
RUSLE2 - Cultivator, row, high residue
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Harrows
Harrows are primarily used to level the soil surface, redis-tribute surface residue, pulverize clods and disturb germinationof weeds. Harrows are often attached to the rear of disks, fieldcultivators, or drills to smooth and firm the soil surface andredistribute residue.
RUSLE2 - Harrow, Coiled Tine
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Pasture Harrow used to distribute
manureCoiled TineHarrow
Harrows
SpikedTooth Harrow
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Harrow/Phillipstm
the Phillipstm Rotary Harrow works in the top inch or so toprepare seedbeds. It redistributes residue and levels the ground.(*Depending upon the type of residue present, use Harrow Rotaryfor heavy, nonfragile residue such as corn and Harrow RotaryLight Fluff Fragile for light residue such as soybeans.)
RUSLE2 - Harrow, Rotary (*or Harrow Rotary Light Fluff Fragile)
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Harrow/Phillipstm
Tines disturb only the top inch or so of soil. In general, thegreater a tool is angled off the tool bar, the more that operationwill disturb the soil. The Phillipstm harrow is permanently set ata 45 degree angle. (Depending on the type of residue present, useHarrow Rotary for heavy, nonfragile residue such as corn, andharrow Rotary Light Fluff Fragile for light residue such as soybeans.)
RUSLE2 - Harrow, Rotary (*or Harrow Rotary Light Fluff Fragile)
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Harrow/Phoenix®
The phoenix® harrow is a high residue tillage tool that dis-turbs the soil .5 to 2 inches deep, leaving most of the residue onthe soil surface. The greater the harrow is angled off the toolbar, the more the operation will disturb the soil.
RUSLE2 - Harrow, Rotary (*or Harrow Rotary Light Fluff Fragile)
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The phoenix® harrow isused to mix the top inch ofsoil surface to incorporateherbicides and level theground. The angle may beadjusted from 20 to 45degrees.
Harrow/Phoenix®
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Rotary Hoe
A rotary hoe consists of one or two staggeredgangs of spider-like wheels about 3.5 to 4 inches apart.It is a fast, economical way to control small weeds andbreak surface crust to improve crop emergence.
RUSLE2 - Rotary Hoe
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Rotary Hoe
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Fertilizer Application - Anhydrous Ammonia
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Fertilizer Application - Anhydrous Ammonia
In the midwest anhydrous ammoniacomprises the majority of commercialnitrogen application. Anhydrous ammo-nia must be injected into the soil. Thisis commonly done with narrow knivesattached to a tool bar pulled by atractor. Precise application is impor-tant from economic and environmentalperspectives.
RUSLE2 - Fertilizer application, anhydrous knife 30 inch
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Fertilizer Application - Strip-Till
strip tillage combines the benefits of no-till and full-widthtillage, but tillage is confined to 6- to 8-inch strips into which dryfertilizer and/or anhydrous ammonia can be placed. Loosened soilin the strips creates a ridge or berm 3 to 4 inches high, which set-tles down to 1 to 2 inches by spring planting. Crop residue in rowmiddles is left undisturbed.
RUSLE2 - Fertilizer Application - Strip Till
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Banding Dry Fertilizer Applicator
RUSLE2 - When strip-tilloperation is done at plantingtime with no previous tillageoperation use “Planter,Strip-Till.” When strip-till iscreated in the fall or springprior to planting operationuse “Fert. Applic., Strip-Till30 in.”
RUSLE2 - Fert. Applic., Strip-Till 30 inch
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Manure Injector - High Disturbance
When using an Umbilical cord manure injection system on30 inch spacing in bean stubble, the type of injector systemwill determine the amount of residue and soil disturbance.
RUSLE2 - Manure injector, liquid high disturb 30 inch
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Manure Injector - High Disturbance
Tank type liquid manure injector with high disturbance
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Manure Injector - Low Disturbance
Tank type liquid manure injector with low disturbancecoulters. However, because 15 inch rows are used here,this method disturbs twice as much soil surface as when30 inch rows are used. As a result RUSLE2 soil loss calcu-lations will be higher with 15 inch versus 30 inch units.
RUSLE2 - Manure injector, liquid low disturb 15 inch
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Manure Injector - Low Disturbance
Pictured above is a disas-sembled manure distributionbox which uses high speedrotating knives to cutmanure chunks into a non-clogging size. To the right isa close up of the disks andinjection blades.
RUSLE2 - Manure injector, liquid low disturb 15 inch
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RUSLE2 - Aerator, Harrow, Rotary
Combination Tool
For RUSLE2 calculations this is two operations–Aeratorwith Rotary harrow.
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Combination Tool Aerator with Rotary Harrow
Aerator
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Combination Tool Turbo - Till
RUSLE2 - Coulter Caddy, 2X with Coiled Tine Harrow
For RUSLE2 calculationsthis is three operations–twocoulter caddies and onecoiled tine harrow.
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Turbo - TillCombination Tool
RUSLE2 - Seedbed Conditioner w/Rolling basket
For RUSLE2 calculations this is one operation using aseedbed conditioner along with the appropriate attachment. Thisis an example of vertical tillage.
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Ultra - TillCombination Tool
RUSLE2 - coulter caddy with harrow, rotary 2X
For RUSLE2 calculations this tillage tool is threeoperations–one coulter caddy and two phillipsTM harrows.
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Ultra - TillCombination Tool
RUSLE2 - Coulter Caddy with Harrow, Rotary 2X
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Verti-Till
Verti-Till is a coulter/subsoiler designed to cut and sizeresidue, as well as deep rip horizontal density layers in one pass.For RUSLE2 calculations this is three operations–coulter caddywith subsoiler and rolling cultivator.
Combination Tool
RUSLE2 - Coulter Caddy with Subsoiler andRolling Basket Incorporate
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Landoll
RUSLE2 - Field Cultivator with CoiledTine Harrow Attachment
Combination Tool
For RUSLE2 calculations this is two operations–field culti-vator with coiled tine harrow.
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Coulter Caddy
Coulter caddies are installed in front of grain drillsand other planting equipment to facilitate planting under highresidue conditions.
RUSLE 2 - Coulter Caddy with Fluted Coulters
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Coulter Caddy
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Cultipacker
The cultipacker firms the seed bed. This contributes to bet-ter seed soil contact and is important for establishment of smallseeded crops like forages.
RUSLE2 - Cultipacker, roller
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Cultipacker–Rolling
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Grain Drills
Conventional grain drills deliver accurate seedmetering and placement with optimum soil-to-seed contact.
RUSLE2 - Drill, single disk openers, 7-10 inch spacing
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Grass Drills
Specialty drillsprovide exceptionalseed placement andaccurate seeding ofeverything from verysmall, light seeds todifficult to handleseed such as nativegrass seeds.
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Residue Row Cleaner
Residue row cleaners areused to move crop residue awayfrom the seedbed to facilitatethe planting process.
RUSLE2 - Residue, Row Cleaner
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Residue Row Cleaner
RUSLE2 - Residue, Row Cleaner
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Disks, Coulters and Points
Bubble Coulter
Bubble coulters till anarrow 0.5 to 0.75 inchslot and do not till asmuch of the seed slot.Planting depths aremore restricted thanwith the fluted coul-ters.
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Disks, Coulters and Points
Fluted Coulter
The 1 to 1.5 inch nar-row fluted coulterstill a slot wideenough to allow dou-ble disk openers toplace the seed at opti-mum depths. Thiswider slot permitsdeeper placement ofthe seed.
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Disks, Coulters and Points
Ripple Coulter
rippled coulters till a narrow0.5 to 0.75 inch slot and do nottill as much of the seed slot.Planting depths are morerestricted than with the flutedcoulters.
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Disks, Coulters and Points
Depending upon thesize and depth oftillage, the Concavedisk does full widthtillage and inversionof soil. It is used as acompaction tool.
Concave Disk
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Disks, Coulters and Points
Notched Disk
Notched Disks arevery similar to theconcave disk anddepends upon thesize and depth oftillage as to howmuch soil distur-bance is done.
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Disks, Coulters and Points
Straight Disk
Straight disks areused to cut thesurface residueand does littleinversion of thesoil.
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Disks, Coulters and Points
Single disk openers areused to cut the surfaceresidue.
Single Disk Openers
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Double disk openers are typi-cally used in no-till or highresidue systems. They aremounted parallel and equidistant to each other and forma “V” shaped slot in to which the seed is dropped as theplanter moves along.
Disks, Coulters and Points
Double Disk Openers
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RUSLE2 - Revised Universal Soil Loss Equation is an erosion predictor toolused to estimate average annual soil loss from sheet and rill erosion for aspecific site.
The RUSLE2 crop year starts with the “harvest” of the previous crop andincludes all of the operations that are completed to prepare the seedbed,plant, control weeds up to and including harvest. In the example belowthe first crop to be planted is corn followed by all of the operations. Thesecond crop to be planted is soybeans and includes all of the tillage opera-tions since harvest of the corn crop.
Example: corn grain; Sfcult, soybean; wr, FC st pt, disk, fcult
The above example is a Corn/Soybean rotation in which corn is plantedinto soybean stubble that has been spring field cultivated prior to planting;soybeans are planted wide row (30 inch rows) into corn stalks that havebeen fall chiseled with straight points, disked and field cultivated prior toplanting.
RUSLE 2 Glossary of Abbreviations
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RUSLE 2 Glossary of Abbreviations
Many tillage tools are combinations of operations described in RUSLE2.These tools can be accounted for in RUSLE2 calculations by combining twoor more operations on the same day to fully describe the overall tool beingused.
RUSLE2 Glossary of Abbreviations 3X 3 years of growth includedFC st pt Fall chiseled with straight points FC sweep Fall Chiseled with sweeps FC Twist Fall Chiseled with twisted pointsFdisk Fall diskFfcult Fall field cultivateFP Fall PlowNR or nr narrow rowNT No-tillNT anhyd No-till with anhydrous applicationRT Ridge till SC st pt Spring Chiseled with straight points
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RUSLE 2 Glossary of Abbreviations
RUSLE2 Glossary of Abbreviations Continued
SC sweep Spring Chiseled with sweepsSC Twist Spring Chiseled with twisted pointsSdisk Spring diskSfcult Spring field cultivateSP Spring PlowST Strip tilleh early harvest ep early plantlh late harvest lp late planting datemp middle planting datewr wide row ( > 30 inches)z4 crop management zone 4z16 crop management zone 16
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The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basisof race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parentalstatus, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or a part of anindividual’s income is derived from any public assistance program. (Not all prohibited bases apply to all pro-grams.) Persons with disabilities who require alternative means for communication of program information(Braille, large print, audiotape, etc.) should contact USDA’s TARGET Center at (202) 720-2600 (voice and TDD).To file a complaint of discrimination write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue,S.W., Washington, D.C. 20250-9410 or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equalopportunity provider and employer.