不同通风方式和加过磷酸钙处理反应-省略-堆肥温室气体排放综合评价-英文-刘金山

JournalofResourcesandEcologyVol.1,No.2ReportReceived:2010-05-10Accepted:2010-05-31Foundation:theNaturalScienceFoundationofChina(40871146,40571157),MinistryofAgricultureOfChina(200803033-B0204),MinistryofScienceandTechnologyofChina(2008BAD95B05),ChineseAcademyofSciences(KZCX2-YW-Q1-07)andtheInternationalS&TCooperationProgramofChina(GrantNo.2009DFA31110).*Correspondingauthor:XIEZubin.Email:zbxie@issas.ac.cn.1IntroductionGlobalwarminginducedbygreenhousegases(GHGs)emissionshasbeenareality,andcuttingGHGsisbecom-ingmoreurgentthaneverbeforetocombatglobalwarm-ing.Asamethodtohandleagriculturalwastes,compostusecanbetracedto475B.C.inChina,andhasbeencon-sideredtobeoneofsustainableproductivepractices,asthecompostformationprocessfromthewastescande-stroypathogens,killweedseeds,convertnitrogenfromunstableammoniatostableorganicforms,andreducethevolumeofwastes(Imbeah1998).However,compostingwasrecognizedasoneofimportantanthropogenicsourc-esforgreenhousegases,anditwasfarfromattention.Composts,inparticularintensivecomposting,wouldpro-duceconsiderableamountofCO2,CH4andcertainN2O.Livestockmanurecontributessignificantlytoatmosphericmethane(CH4)andnitrousoxide(N2O),whichgloballyaccountsfor5%–6%oftotalemissionofCH4(Hoganetal.1991;Rotmansetal.1992)and7%oftotalN2Oemis-AHolisticEvaluationofCO2EquivalentGreenhouseGasEmissionsfromCompostReactorswithAerationandCalciumSuperphosphateAdditionLIUJinshan1,2,XIEZubin1*,LIUGang1,ZHANGJiabao1,BEIQicheng1,2,HUANGPing1,2,SUNHuifeng1,2,XUYanping1,2,ZHUJianguo1andTANGHaoyan11StateKeyLaboratoryofSoilandSustainableAgriculture,InstituteofSoilScience,CAS,Nanjing210008,China;2GraduateUniversityofChineseAcademyofSciences,Beijing100049,ChinaAbstract:Compostprovidesbenefitssuchaspathogeninactivation,weedsuppression,slowreleaseofnutrients,soilimprovement,waterconservation,andisanadvantageoustoolinmovingtowardsmoresustainableagriculturalsystems.Lotsofgreenhousegases(GHGs)especiallyCH4areemittedfromtheheapduringcompostingprocess,whichplayanimportantroleinglobalwarming.T