黄土丘陵沟壑区县域作物秸秆-养殖饲料-农田有机肥纽带关系

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关键词：秸秆；养殖饲料；农田有机肥；种养结合；黄土丘陵沟壑区 中图分类号：F323 文献标志码：A 文章编号：2095-6819（2025）06-1603-09 doi：10.13254/j.jare.2025.0480

Linkage betweencrop straw，livestock feed and farmland organic fertilizeratthecounty level in theloess hill and gully region

YINLixiangl，WANGYongsheng²*，LONGPei1，ZENGYuanyuan

Collgeofgadlaing，ngduUvesityofcolgegduo59，a;2.tatKyaboatoryoft UtilizationofArableLandinChia/IstituteofAgriculturalResoucesandRegioalPlaing，ChneseAcademyofgriculturalie， Beijing 100081， China）

Abstract：Inthontextofagriculturalgrenevelopmentanduralrevitalzationtegatedcopestockingplaysapioalle promotingthecoordinatedadvancementofagricultureandanalhusbandryTestudyfocusedcountisintelsshillandgullyion exploredhespatiotemporalevolutioncharacteristicsofteopstra-lvestockfed-farmlandorganicfertilizerlnkage.Furthre， developedstrategiesforintegratedcrop-livestockfarming.ThefindingsrevealedthatfromOO2to022，therewasamarkedinceasein bothsupplyanddemandforcropstrawasfedintheloesshillyandgullyregioncountiesAdisparitybetweensuplyanddemandwas evidentgeographically，withthenorthwestregionencounteringashortageandthesoutheastregionexperiencinganoversupply.The mismatch between supply and demand growth rates was evident，with approximately 73% of counties failing to attain effective supplydemandmatching.Thedemandforlivestockmanurefertilizerquivalentsandcropnitrogenfertilizerexhibitedaspatialmismatch， characterizedbyanexcssofmanureintenorthwestadaninsuicienyofbthmanureandfertizerinthsoutheast.Ithdbeen determined that nitrogen nutrients from livestock manure could only meet 33.36% of farmland demand，with approximately 88% of counties primarilyrelygoetealius.Iddressntesaltsssofwoiolulaiocofostasnt localconversaityoisgetaldicrliosalldll recommended tooptimizetheregionalcrop-livestockcycleagriculturalstructurethroughmeasuessuchasregionalcollaborativestraw supplychaisndsatiotempraldiferenatedallcatiofmareferilis，mbindwitlicesschassubsdiesforstaoe and organic fertilizer production.

Keywords：straw;breedingfeed;farmlandorganic fertilizer;combinationof plantingandbreeding;loesshillyandgullregion

全球人口增长与资源环境约束背景下，资源高效利用与绿色转型迫在眉睫。（剩余18495字）