基于Meta分析的秸秆还田对盐渍土物理性质影响的改良效果

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中图分类号：S141.4 文献标志码：A 文章编号：2096-9902（2025）24-0074-04

Abstract：ThisstudyusedaMetaanalysissystemtoevaluatetheefectofreturningstrawtofieldonimprovingthephysical propertiesofsalinesoil，providingatheoreticalbasisforsustainableagriculture.Inresponsetotheproblemofhighsalinityand highpHvalueinsalinesoilrestrictingagriculturalproduction，thestudycolectedrelevantliteraturefrom199to2024， extracted548setsofdataandusedarandomefectsmodeltoevaluatetheimpactofdiferentfarmingmethodsandamount returedtothefield.Theresultsshowedthatreturningstrawtothefieldsignificantlyimprovedsoilphysicalproperties.Among them，returning to the field reduced soil bulk density by 5.86 % ，increased porosity by 11.06% ，and increased water content by （20 20.34% .Theeffectwasbeterthanthatofmulchandrotarytilage；fullretuming tothefieldsignificantlyimprovedphysical propertiesthanreturningasmallamount.Researchhasconfirmedthatretuningstrawtothefeldisanefectivestrategyto improvesalinesoilInthefuture，itisnecessrytofocusonlongtermefectsandregionaldiferenestopromotepractical application.

Keywords： returning straw to field; saline soil; physical property;Meta analysis;soil improvement

全球盐渍土土壤总面积达13.81亿公顷，占陆地总面积的 10.7% ，我国盐碱地面积约3600万公顷，其中1230万公顷有农业潜力，而长期不合理的农田管理方式导致王壤次生盐渍化问题日益严重。（剩余6711字）