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兰州大学草地农业科技学院

2019-07-29 19:29作者:admin

兰州大学草地农业科技学院

EvaluationofenergybalancesandgreenhousegasemissionsfromdifferentagriculturalproductionsystemsinMinqinOasis,ChinaAuthors:ZhengangYan,WeiLi,TianhaiYan,ShenghuaChang,FujiangHouJournal:PeerJImpactFactor:IF2017=(生物三区)Abstract:AgriculturalproductioninMinqinOasis,China,iscommonlycategorizedas(ICP),(ICLP),(IFLP),and(EGLP).Theobjectivesofthepresentstudyweretousealifecycleassessment(LCA)techniquetoevaluateon-farmenergybalancesandgreenhousegas(GHG)emissionsofagriculturalproduction,tio(Output/Input)fortheEGLPsystemwassignificantlyhigherthan,hanothersystems().Relatingcarboneconomicefficiencytomarketvalues(US$)ofagriculturalproducts,indicatedthatthecarboneconomicefficiency(US$/kgCO2-eq)oftheIFLPsystemwassignificantlygreaterthanthatofothersystems().ThemajorGHGemissionsourcesvariedacrossthesystems,,soilrespirationisthedominantsourceinEGLP,whilethemainsourcesinIFLPareentericmethaneandmanuremanagement;inICLPmajorsourcesareentericmethane,soilrespirationandfertilizer;inableagriculturalproductionsystemsonenergybalancesandGHGemissionsinnorthwesternChina.全文:。

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