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  • Effect of ozone contentration on NP K in the soil and wheat plant

    Zhang Xian ChenYang Zhou University

    **

    Main content.Material and Method.Result1. Effect of ozone contentration on effective N PK in the cornfield soil2. Effect of ozone contentration on NPK in the wheat plant before mature period3. Effect of ozone contentration on N, P, K in the mature wheat plant tissues (not including the root)

    **

    .Material and MethodMaterial : winter wheat(14)Method : O3-FACEOzone-Free Air Concentration Enrichment (O3 concentratioan target at 50% above ambient) Test indexes : effective nitrogen (NO3--N and NH4+-N) , effective phosphorus, effective potassium in cornfield soil and the N, P, K in wheat plant.Sampling time : seedling stage (2009 December 16),jointing stage (2010 March 11), heading stage (2010 April 16), filling stage (2010 May 11) ,maturity stage(2010 June 2)

    **

    .Result1. Effect of ozone contentration on effective N, P, K in the cornfield soilEffect of elevated O3 on ammonium nitrogen, nitrate nitrogen in the cornfield soil The nitrogen trend in the soil of FACE is basically similar with Ambient, Before the filling stage are decreasing. After the ozone treatment, the content of ammonium nitrogen in soil is reduced before maturity,In maturity, the soil content of ammonium nitrogen have increased than no treatment; By ozone treatment,soil nitrate nitrogen content increased in the seedling stage and the maturity stage, decreased in other stage.

    Chart10

    15.667868018913.58645545220.74823355070.74823355070.26614923150.2661492315

    11.127874165310.77864386890.17165654910.17165654910.24555633550.2455563355

    8.69723130228.54706227470.11935299840.11935299840.33411320760.3341132076

    17.497834772216.05900595090.76754431690.76754431690.57205585530.5720558553

    11.742519487112.09174978350.38938786540.38938786540.29862764120.2986276412

    Ambient

    FACE

    TIMEmonth-day

    Concentration mg/kg

    NH4+-N

    O3NaNH4+-NTIMEAFACE%

    12/16/09(09)121615.66786801890.748233550713.58645545220.2661492315-13.2845934379-2.0814125667

    A1(O3)59.47202797239.57531111.12787416530.171656549110.77864386890.2455563355-3.1383379362-0.3492302964

    A2(O3)16.352359399944.6945666.56222.76559865094168.69723130220.11935299848.54706227470.3341132076-1.7266302602-0.1501690275

    A3(O3)14.173162350230.3166.4510402142447312.43676222651117.49783477220.767544316916.05900595090.5720558553-8.2228963755-1.4388288213

    A4(O3)16.478082306628.772598436511.59359190566711.74251948710.389387865412.09174978350.29862764122.97406614320.3492302964

    F1(O3)13.125471460948.37266.46333651145.57022.3440134907NO3--N

    F2(O3)13.586455452225.046559.470264867638.56315.5986509275**(09)121629.541250.7687528.78153.735-2.5718275293-0.75975

    F3(O3)18.322018271737.00262.968515742143.55826.55986509273119.17316666671.61046272689.17216666671.1465871218-0.0109013609-0.001

    F4(O3)14.047439443532.516569.96503496545.56013.701517706641612.2492.663346406910.96750.5880231005-10.462078537-1.2815

    40,2485119.18216666670.4771200358.127250.01875-11.4887553773-1.0549166667

    A2(O3)10.86245914018.412541.989505247437.55212.436762226**677.321750.111257.9840.11759.04496875750.66225

    A3(O3)11.07199731796.84359.452791087366512.8583473862

    A4(O3)11.449166038112.26441.9685262264505014.9662731872p

    F1(O3)10.86245914018.762541.95804195838.57316.0202360877**(09)121612.01517706580.421585160214.6500843170.948566610521.92982456142.6349072513

    F2(O3)10.317659877611.33148.9545541757375019.1821247892**31113.42046093310.782428943615.17706576730.843170320413.08900523561.7566048342

    F3(O3)12.03587293624.56959.48778585136.55621.711635750441613.77178189991.521670027216.93367060151.013364608122.95918367353.1618887015

    F4(O3)11.15581258917.42355.972013993405614.333895446951114.40415964021.634303449915.45812254081.94848575387.31707317071.0539629005

    4/16/106711.52332771220.810326208220.02529510960.740279212573.78048780498.5019673974

    A2(O3)8.934707903813.235538.47902097929.55213.7015177066k

    A3(O3)8.557539183616.28942.010505252632.56711.1720067454(09)121642.16666666671.36422546243.251.65201896682.56916996051.0833333333

    A4(O3)8.59944681927.222531.4772683588404316.4418212479**31136.750.7537.33333333330.60092521261.58730158730.5833333333

    F1(O3)8.59944681929.930534.982508745628.57214.9662731872**416311.530.33333333331.013793755-2.1505376344-0.6666666667

    F2(O3)7.593663565510.721534.96503496530.55021.9224283305**51136.51.530.83333333330.3333333333-15.5251141553-5.6666666667

    F3(O3)8.892800268210.562534.9825087456326017.49578414846735.83333333331.01379375535.1251.5991534219-1.976744186-0.7083333333

    F4(O3)9.102338446112.655545.5405418.3389544688Na

    5/11/10(09)121666.66666666673.282952600660.33333333331.4529663145-9.5-6.3333333333

    A2(O3)18.90872516978.85870355711.172006745431155.66666666674.7022453266542-2.994011976-1.6666666667

    A3(O3)16.268544128710.121570.0000175387515.598650927541654754.66666666672.9059326291.23456790120.6666666667

    A4(O3)17.3162350188.56780.4842578711475116.4418212479511617.211102550958.66666666672.6034165586-3.825136612-2.3333333333

    F1(O3)11.491073673615.81148.95104895130.58512.01517706586760.33333333337.881060278458.66666666676.3595946761-2.7624309392-1.6666666667

    F2(O3)15.34657614628.14648.987780603631.56315.5986509275

    F3(O3)17.19051211135.83455.958034968530.55420.4468802698(09)121660.64102272873.073053418964.71678802142.2578933546.72113547784.0757652927

    F4(O3)15.63992959528.108556385918.76053962931147.80360752025.824594931851.59309899444.48822186997.9272081563.7894914742

    6/2/10**41640.24476311581.765742136837.60751311412.6308321859-6.5530265246-2.6372500018

    A2(O3)12.45494929187.43345.47202797237.55811.1720067454**51170.000008750.0000087552.47421613082.0235300271-25.0368434693-17.5257926192

    A3(O3)11.11390495357.210555.8605714564347510.328836425**6750.66629971425.194271742244.61975262372.6267537843-11.934060953-6.0465470905

    A4(O3)11.65870421596.37869.9650174913364813.0691399663

    F1(O3)9.060430810511.63752.533.58020.6576728499

    F2(O3)11.65870421598.101541.979010494831.54820.86846543

    F3(O3)11.95205766497.866542375825.9274873524

    F4(O3)12.664487469610.28554238.57018.5497470489

    :

    :

    Sheet1

    Treatmentsmg/kgmg/kgmg/kgmg/kg

    Ambient12.9471.6013.494.0936.451.7713.030.54

    FACE12.211.2713.013.9835.382.3716.450.97

    -5.6701707771-3.609145144-2.949245541826.2669839564

    0.1300.7280.07(0.934)0.132(0.726)9.461(0.015)

    Treatmentsmg/kgmg/kgmg/kg

    Ambient7.361.569.011.582.490.00

    FACE7.861.679.732.822.490.00

    6.7320225947.93552180520

    0.047(0.839)0.049(0.836)0.024(0.885)

    O3NPKNa

    2010-3-11(NAFACE

    A29.83528221272.487409997511.250.731110.20538190540.678909085510.86125477850.10053249266.42673521850.6558728731

    A39.25905104562.490133462812.50.88754167.04313769580.51889384217.6217112660.43476036768.21471331650.5785735702

    A411.52181245782.48155998619.250.71255114.84596357090.15838525515.09894310770.42744845755.22041763340.2529795368

    F111.11423431532.484634469514.6250.852.41591961490.23119868392.34540279260.0836679098-2.9188397576-0.0705168222**

    F210.70665617272.482009521114.8750.91256.75811325710.0586628176.72235922070.3265447327-0.5290535246-0.0357540364

    F310.6926017542.482692577516.50.85.38529592770.34212465944.77679749870.3557032108-11.2992570352-0.608498429

    F410.9315268722.48284163151.1875

    4/16/10P

    A27.8395547562.49126680928.6250.753112.48636781540.00252921162.48304454950.0005600737-0.133659464-0.0033232659

    A36.06869799872.49918142357.7514162.49327570260.00300273372.49452529970.00131088830.05011869070.0012495971

    A47.22116033282.48937887519.8751.3255112.50047583820.00291867472.49960947270.0007105826-0.0346480269-0.0008663655

    F17.47413986962.49385605796.1250.8672.55424389640.00075450732.57142647150.03581696750.67270690690.0171825751

    F26.51843939732.49617700778.1251.4671.90491292380.14344254622.02820070060.08736075916.47209514340.1232877768

    F38.59849336632.49112180877.8751.275671.20700651550.08621383851.18936113750.0556126923-1.4619124101-0.017645378

    F47.89577243092.49694632475.751.25K

    5/11/1031111.8750.62515.250.423895623928.42105263163.375**

    A25.11299752642.49821407235.251.4254168.750.616610357880.125-8.5714285714-0.75

    A34.86001798972.50626711786.750.45116.41666666670.60092521265.93750.3903123749-7.4675324675-0.4791666667

    A44.56487519682.49694632477.250.6875677.13837064680.34297263687.01815143030.4606885507-1.6841268458-0.1202192164

    F14.39622217232.50034890655.6250.75672.22759873880.12021620962.32189760950.02967556634.23320722090.0942988707**

    F25.02867101422.49956566566.3750.65674.0798795960.17666309124.02125818930.1428972576-1.4368415873-0.0586214067

    F36.26545986062.49763862196.750.8375Na

    F45.87193613672.500884696850.51253110.76666666670.06052432940.93750.08645205822.28260869570.1708333333

    2010-6-74161.16250.16251.30833333330.046398036412.54480286740.1458333333

    A21.96480773562.553489389160.63755110.543750.143750.68750.069783892626.43678160920.14375

    A31.52912075562.553489389180.625670.21623134330.04387261880.28403296020.039323447731.35605406960.0678016169

    A42.03507982912.5557529119.6250.55

    F11.90859006072.53527448110.6250.725

    F21.50101191812.535400631581.025

    F32.52698448392.53615498188.6251.475

    F42.87834495172.67887579178.1251.875

    2010-6-7

    A21.191814706550.15

    A32.1847209317.48134328360.2991915423

    A42.64711829886.795398010.1995024876

    F12.12787395387.85447761190.225

    F22.4025364525.7050684080.2120024876

    F32.32421628097.32555970150.3241293532

    F42.52698448397.18750.375

    2010-6-7

    A25.07307462811.05442882214.13

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