不同稻秆处理方式下双季稻温室气体排放通量研究

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1、Seediscussions,stats,andauthorprofilesforthispublicationat:https://www.researchgate.net/publication/287364770GreenhousegasesemissionfrompaddyfieldsunderdifferentricestrawtreatmentsArticleinZhongguoHuanjingKexue/ChinaEnvironmentalScience·May2012CITATIONREADS1345

2、authors,including:YunfanWanSheng-WeiShiChineseAcademyofAgriculturalSciences6PUBLICATIONS31CITATIONS55PUBLICATIONS588CITATIONSSEEPROFILESEEPROFILEAllcontentfollowingthispagewasuploadedbySheng-WeiShion12April2016.Theuserhasrequestedenhancementofthedownloadedfile

3、.中国环境科学2012,32(5)：803~809ChinaEnvironmentalScience不同稻秆处理方式下双季稻温室气体排放通量研究11*112侯晓莉,李玉娥,万运帆,石生伟,李明德(1.中国农业科学院农业环境与可持续发展研究所,农业部农业环境与气候变化重点实验室,北京100081；2.湖南省土壤肥料研究所,湖南长沙410125)摘要：通过田间试验研究了不同稻秆处理方式下(常规处理(移出稻田+NPK),直接还田(RS)+NPK,原位焚烧还田(BIS)+NPK)双季稻温室气体排放.结果表明,相对于常规处理

4、,RS+NPK处理显著增加CH4排放与减少N2O排放,BIS+NPK处理降低水稻生长季稻田CH4;RS+NPK和BIS+NPK处理稻田N2O排放差异并不显著(P>0.05);早、晚稻秸秆焚烧过程中产生的CH4与焚烧处理田间CH4排放相当,焚烧过程产生的N2O分别为BIS+NPK处理早、晚稻生长季N2O排放总量的90.1%和53.4%,贡献极大.不同处理温室效应表现为RS+NPK>NPK>BIS+NPK,单位产量的温室效应表现为秸秆直接还田处理最高,秸秆原位焚烧处理最低.关键词：秸秆处理；双季稻；CH4；N2O中图分

5、类号：X511文献标识码：A文章编号：1000-6923(2012)05-0803-0711*Greenhousegasesemissionfrompaddyfieldsunderdifferentricestrawtreatments.HOUXiao-li,LIYu-e,WAN112Yun-fan,SHISheng-wei,LIMing-de(1.TheKeyLaboratoryforAgroenvironmentandClimateChange,MinistryofAgriculture,Instituteof

6、EnvironmentandSustainableDevelopmentinAgriculture,ChineseAcademyofAgriculturalSciences,Beijing100081,China；2.SoilandFertilizerInstituteofHunanProvince,Changsha410125,China).ChinaEnvironmentalScience,2012,32(5)：803~809Abstract：Afieldexperimentwasconductedindoub

7、lericeareatofigureouttheinfluenceofdifferentricestrawtreatments(ricestrawremoving+NPK,ricestrawincorporatedintothesoil(RS)+NPK,ricestrawburnedinsitu(BIS)+NPK)onthegreenhousegasesemissionfrompaddyfields.TheresultsshowedthatRS+NPKtreatmentincreasedtheCH4emission

8、anddecreasedtheN2OemissionsignificantlycomparedwithNPKtreatment,whileBIS+NPKtreatmentreducedCH4andN2Oemissionduringthedoublericegrowingseason.N2OemissionofRS+NPKandBIS+NPKtreatment