我国七大区域农田氧化亚氮排放研究进展

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中图分类号：X71 文献标志码：A 文章编号：1672-2043（2025）08-2086-11 doi：10.11654/jaes.2024-0781

Progress of research on nitrous oxide emissions from agricultural fields in seven regions of China

WANGShiquan，ZHOUMeiping，LIUYajunjie，YANGFan （School of Ecology and Environment，Ningxia University，Yinchuan 75oo21，China）

Abstract：Inthisarticle，theinfluencingfactorsandemissonreductionmeasuresofNOproductionfromfarmlandinsevenrgiosof China wereinvestigatedbyreviewingandanalyzingprevious iteraturedata.TheresultsshowthatthefarmlandNOemisionathwayis dominatedyhesoldenitrifationprocss，ndthelatiecotrbutiosofirifatianddntrifiatioiachegodpedote localsoilphysicohicalproprtisandliaticonditios.TeavagNisiosofalandinesevenregiosofCinaere asfollows：East China（O.032 billion tCO 2e ） > Central China（O.021 billion tCO 2e ） > South China（O.017billion tCO 2e ） > SouthwestChina （0.016 billion tCO 2e ） > NortheastChina（O.013billiontCO 2e ）） > NorthChina（O.0o8billion tCO 20 ）） > NorthwestChina（O.006billion tCO 12e ） > NorthwestChi（OilioOe）.esiaofifueningfactsantinchgiondrgensoucbsouce pH，watercontentandtempeatureeretheainifluencingfctorsafectingNOinfrlandsoils.Energsavingndmissionductio of N2O can be realized by changing farmland management and soil nutrient management practices.

Keywords：nitrous oxide; influencing factors; regional characteristics;emission reduction

氧化亚氮 （N20 ）是一种强效的温室气体，百年尺度单分子增温潜势约为 CO2 的300倍，对全球变暖的贡献约为 6% ]。（剩余31142字）