不同施肥方式对东北黑土农田土壤温室气体排放的影响谢立勇

1CO213.5%1994CO22666×106tCH434.29×106t50%N2O85×106t92%(2004)2010CO2CO220092003N2O1995-N2O12CO2CH4N2O126°35′,45°40′N151m3.5533mm13519803019794.1pHcm(%)(%)(mg/100g)(%)(mg/100g)%(mg/100g)1980——20101062mx130m=8060m25.6mx30m=168m2870cm201036CK--N—NPK—M-MN--+MNPK--+10/5/5/5/10/5/5/12403720cm25cm5cm,CO2CO2N2ON2O9:00-11:00305cmHP5890CO2N2O(ECD)CO2―405050H2,30ml·min-1.CH4―60200N230ml·min-1H230ml·min-1.300ml·min-1.N2O―80N212.4ml·min-1350F―()A―V――T1T2―t1t2―M0―m1m2―41CO2201020104157274CO24.1(4.2)CO20.6691*514917CO22002284mgCO2/m2/h5001500mgCO2/m2/hCO2769510CO239312mgCO2/m2/h6CO2MNPK1016.8mgCO2/m2/hMN869.3mgCO2/m2/hNPK794.8mgCO2/m2/hN784.8mgCO2/m2/hM619.9mgCO2/m2/hCK410.1mgCO2/m2/hCO252CH44151044.3-40150μgCH4/m2/h784.44.5,150μgCH4/m2/h69-400μgCH4/m2/hCH41525μgCH4/m2/hMNPK3N2ON2O4.6N2O(32190μgN2O-N/m2/h)7(80μg6N2O-N/m2/h)CO2144.5N2O722564.44.57N2ON2ON2OMNPK(34.1μgN2O-N/m2/h)NPK(22.3μgN2O-N/m2/h)MN(19.0μgN2O-N/m2/h)N(14.3μgN2O-N/m2/h)M(5.9μgN2O-N/m2/h)CK(4.9μgN2O-N/m2/h)89N2O4.3μgN2O-N/m2/hN2O7N2O4.2N2O0.23%0.57%1CO22010719700-700NPK4.7700300CO2300CO2458mgCO2/m2/h300CO2CO2700700CO280.8595**2CH42010719700-700NPK4.9CH47377-0.8965**3N2O2010719700-700NPK4.107003003N2042.6μgN2O-N/m2/hN2ON2O4.8N2O0.8475**CO22002284mgCO2/m2/h95001500mgCO2/m2/h69751039312mgCO2/m2/hCO20.6691*CO2MNPK1016.8mgCO2/m2/hMNNPK869.3mgCO2/m2/h794.8mgCO2/m2/h784.8mgCO2/m2/h619.9mgCO2/m2/h,794.8mgCO2/m2/h-4050μgCH4/m2/h78150μgCH4/m2/hCH4MNPKN2O0190μgN2O-N/m2/h32190μgN2O-N/m2/h7680μgN2O-N/m2/hN2OMNPKNPKMNNMCKN2O0.23%0.57%CO2CH4N2OCO2N2O770.8595**0.8475**CH4-0.8965**(CO2N2O)CH431.,,.CO2N2O[J].,2005,24(5):913—9182.,,.2009.CH4CO2[J]..28(12):2482-2488.3.,,.2003.[J]..40(5):703—710.4.,,.2010.[J]..19(7):1642-1645.5.,,.IPCC2006N2O[J].,2010,18(1):7-13.6.,,.2008.CH4[J]..28(6):2878-28867.CaiZC,XingGX,YanXY,etal.1997.Methaneandnitrousoxideemissionsfromricepaddyfieldsasaffectedbynitrogenfertilizersandwatermanagement[J].PlantandSoil,196(1):7-14.