秸秆还田对土壤环境影响的系统性研究

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Abstract：Strawreturning refers tothepracticeof directlyapplying strawunsuitableforimmediateuseasfeedinto thesoil oraplyingitaftercomposting.Thismethodnotonlyefectivelymitigatesairpolltioncausedbystrawburningbutalso enhancessoilfertityandincreasescropyields.Byconductingacomprehensiveanalysisofcurrentliteratureonthe environmntalimpactsofreturningstrawtofeldonsoilthispaperfirstreviewssystematicallyitsefectsonsoilphysical， chemical，andiologicalpropertis.heimistprovideradeswithalisticderstandingofemethodologies，cocusios， andperspectivesinexistingresearchonstrawincorporation.Aditionally，thispaperhighlightsinconsistentfindingsreported acrossdiferentstudies，suchasthevaryingimpactsofstrawincorporationonsoilmicrobialcommunities，enzymeactivities，and pH levels.Finaly，potentialdirectionsforfutureresearchareoutlined，including：investigatingheunderlyingmechanismsbeind divergentexperimentalresultsrelatedtosoilmicrorganismsandpH;evaluatingthelarge-scaleefectsofstrawincorporationon soilecosystems;andconductingcomparativestudiesontherolesofnaturalprocesssversushumaninterventionsinstraw incorporation practices.mass fraction of mercury in soil.

Keywords： returning straw to field; physical and chemical property； microbial community; enzyme activity； soil

秸秆是成熟农作物茎叶（穗）部分的总称，通常指水稻、小麦、玉米等其他农作物在收获后的剩余部分。（剩余13712字）