农业环境科学学报JournalofAgro⁃EnvironmentScience2023，42（6）:1406-14132023年6月纪程，孙玉香，孟圆，等.纳米碳溶胶配施尿素对土壤N2O排放的影响[J].农业环境科学学报,2023,42（6）：1406-1413.JIC,SUNYX,MENGY,etal.Effectsofnano-carbonsolandureaonsoilN2Oemissions[J].JournalofAgro-EnvironmentScience,2023,42（6）：1406-1413.纳米碳溶胶配施尿素对土壤N2O排放的影响纪程1，2，孙玉香1，3，孟圆1，3，徐聪1，2，汪吉东1，2，3*，张永春1，2，3（1.江苏省农业科学院农业资源与环境研究所，南京210014；2.江苏大学环境与安全工程学院，江苏镇江212013；3.南京农业大学，南京210095）Effectsofnano-carbonsolandureaonsoilN2OemissionsJICheng1,2,SUNYuxiang1,3,MENGYuan1,3,XUCong1,2,WANGJidong1,2,3*,ZHANGYongchun1,2,3（1.InstituteofAgriculturalResourcesandEnvironmentalSciences,JiangsuAcademyofAgriculturalSciences,Nanjing210014,China;2.SchoolofEnvironment&SafetyEngineering,JiangsuUniversity,Zhenjiang212013,China;3.NanjingAgriculturalUniversity,Nanjing210095,China）Abstract：Nano-carbonimprovesfertilizerutilizationandreducesnitrogenresidueinsoils;however,itseffectsonsoilN2Oemissionsstillremainunclear.Inthisstudy,nano-carbonsol（akindofnano-carbonmaterialpreparedviaelectrolyticgraphite）andsoilswithoutandwithstrawreturningwereselectedforcomparison.Weconductedanincubationexperimenttostudytheeffectsofnano-carbononsoilN2Oemissions,withsoilmicrocosmexhibitingatemperatureof25℃andwater-holdingcapacityof80%.Resultsshowedthatthenano-carbonamendmentsignificantlyincreasedN2Oemissionsfromthestraw-removedsoil,butsignificantlydecreasedN2Oemissionsfromthestraw-returnedsoil,withthemitigationefficiencyof63%.Thenano-carbonalsosignificantlyincreasedpotentialnitrificationrates（PNR）fromthestraw-removedand-returnedsoilsanddecreasedpotentialdenitrificationrate（PDR）fromthestraw-returnedsoil.ThePDRvalueof收稿日期：2022-10-13录用日期：2023-01-11作者简介：纪程（1991—），女，黑龙江人，博士，助理研究员，从事土壤碳氮循环与微生物驱动机制研究。E-mail：chengji11@126.com*通信作者：汪吉东E-mail：jdwang66@163.com基金项目：国家自然科学基金...
