欢迎来到天天文库
浏览记录
ID:55639432
大小:470.33 KB
页数:7页
时间:2020-05-22
《陕西关中农田温室气体减排潜力分析-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、面此雇让掌握2O13,22(8):174—18OActaAgriculturaeBoreali—occidentalisSinicadoi:10.7606/j.issn.1004—1389.2013.08.032陕西关中农田温室气体减排潜力分析李长江,温晓霞,眭彦伟,林杰,王阳峰,杨飞,余养民。(1.西北农林科技大学农学院,陕西杨凌712100;2.陕西省农业技术推广总站西安710003;3.临渭区农业技术推广中心,陕西渭南714000)摘要为分析陕西关中地区测土配方施肥项目减少温室气体排放的潜力,以陕西省CDM项目中渭南
2、市临渭区测土配方施肥项目为例,采用IPCC2006中N0排放量计算方法和测土配方施肥固碳减排计量方法指南中土壤碳储量计算方法,从氮肥施用、土壤碳固定,农作物产量改变3个方面对该地区测土配方施肥项目温室气体减排潜力进行综合分析和估算。该项目共涉及临渭区3个乡镇17个项目村,共计农田面积2818.89hm。结果表明;测土配方施肥的使用,不但可以减少氮肥施用量,提高农作物产量,增加土壤碳储量,而且能够减少农田温室气体的排放。项目实施后,每公顷农田每年可减少温室气体排放1206.93~1484.18kgC0当量,项目年温室气体减排
3、量为3660.95tCO。当量。关键词测土配方施肥;温室气体;减排潜力中图分类号X831文献标志码A文章编号1004—1389(2013)08—0174一O7AnalysisofFarmlandGreenhouseGasEmissionReductionPotentialintheCentralShaanxiPlainL1Changjiang,WENXiaoxia,SUIYanwei,LINJie,WANGYangfeng。YANGFeiandYUYangmin。(1.CollegeofAgronomy,Northwest
4、A&FUniversity,YanglingShaanxi712100,China2.AgrotechnicalExtensionCenterofShaanxiProvince.Xi’an710003,China;3.LinweiAgriculturalTechnologyExtensionCenter,WeinanShaanxi714000,China)AbstractInordertoanalysisthereductionpotentialofgreenhousegasemissionunderrecommended
5、fertilizationprojectinthecentralshaanxiplain,takingWeinanLinweirecommendedfertilizationpro—jectofCDMprojectinshaanxiprovinceasacasestudy,themethodsofnitrousoxideemissionofIPCC2006andsoilcarbonstoragecalculationmethodoftheMethodGuidelineforQuantifyingCarbonSequestr
6、ationandReductioninGreenhouseGasEmissionUnderRecommendedFertilizationwereusedtocomprehensiveanalyzeandestimategreenhousegasemissionreductionpotentialofrecommendedfertilizationprojectbytheaspectsofusingnitrogenousfertilizer,soilcarbonsequestrationandcropyieldchange
7、.Theprojectinvolvedin2818.89hmfarmlandin17villagesof3towns.Theresultsin—dicatedthatusingrecommendedfertilizationnotonlyreducedquantityofnitrogenfertilizer,increasedcropyieldandsoilcarbonstorage,butalsoreducedfarmlandgreenhousegas.Aftertheimplementa—tionoftherecomm
8、endedfertilizationproject,farmlandcouldreducegreenhousegasemissionofl206.93—1484.18kgCO2equivalentperhectareannuallyandgreenhousegasemissionsof3660.95收稿
此文档下载收益归作者所有