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东北黑土区容许土壤流失量研究(英文) Title:ResearchonPermissibleSoilErosioninNortheastChina'sBlackSoilRegion Abstract: Soilerosionisasignificantenvironmentalproblemthataffectsthesustainabilityofagriculturallands.TheblacksoiloftheNortheastChinaregionishighlyvaluedforitsfertilityandagriculturalproductivity.However,intensivefarmingpracticesandnaturalfactorshaveledtoincreasedsoilerosionrates.Thisresearchaimstoanalyzethepermissiblesoilerosionratesintheblacksoilregionandproposesustainablelandmanagementstrategiestomitigatesoilloss. Introduction: Theblacksoil,alsoknownasChernozem,isrenownedforitshighorganicmattercontent,clayeytexture,andfertility.ItcoversaconsiderableareainNortheastChinaandplaysacrucialroleinfoodproduction.However,improperlandmanagementpractices,includingexcessiveplowing,overgrazing,anddeforestation,haveacceleratedsoilerosioninthisregion.Consequently,understandingthepermissiblesoilerosionratesiscrucialforensuringsustainablelanduseandpreservingtheagriculturalproductivityoftheblacksoilregion. Methods: Theresearchwillemployacombinationoffieldobservations,laboratoryanalysis,anddatafromliteraturereviewtodeterminethepermissiblesoilerosionratesintheblacksoilregion.TheUniversalSoilLossEquation(USLE)orRevisedUniversalSoilLossEquation(RUSLE)willbeusedtoestimatesoillossratesbasedonfactorssuchasrainfallerosivity,soilerodibility,slopelength,andlandcover.Fieldstudieswillbeconductedwithinrepresentativeagriculturalareastomeasuresoilerosionratesdirectly.Soilsampleswillbecollectedandanalyzedforsoilproperties,suchasorganicmattercontent,cationexchangecapacity,andaggregatestability,toassesssoilqualityanditsvulnerabilitytoerosion. ResultsandDiscussion: Theanalysisofsoilerosionrateswillprovideinsightsintothecurrentstatusofsoillossintheblacksoilregion.Thestudywillassesssoilerosionratesagainstthepermissiblethresholdlevel,whichrepresentsthemaximumamountofsoillossthatcanbesustainedwithoutcompromisingsoilfertilityandagriculturalproductivity.Theresultswillbeusedtodeterminethefactorsdrivingsoilerosion,su