煤基复混肥对科尔沁沙地土壤肥力及活性有机碳的影响

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关键词煤基复混肥；科尔沁沙地；综合肥力指数；土壤活性有机碳

中图分类号S158文献标识码A

文章编号 0517-6611（2025）14-0153-06

doi：10.3969/j.issn.0517-6611.2025.14.031

开放科学（资源服务）标识码（OSID）：

Effct of Coal-based Compound Fertilizer on Soil Fertilityand Active Organic Carbon in Horqin Sandy Land SHIYang，MAZi-in，CHEChaetal（CollgeofEnvroentalienceandEnginering，LiongechicalUnivesityuin Liaoning ）

Abstractestoaladompudfertlisolertltdieoicbiorndldd， toprovideasietificasisforatioalsilfertlizatioinHorsandylndTakingHorsandyndilasthseacect，tote perimentwasucediteietertiaatsrtlecsioncmpodrll basedcompoudfert（colueopostdioanicfert）dalasdpoudertrI（colge compostandinorganicfertlizer），samplinganddeterinationofryegrassbiomassereconductedafereachingmaximum.omparedwith NQ3，MJF6 significantly increased the soil fertility index and the contentsof soil active organiccarbon（SOC）（ P⩽0.05 ）. Compared with NQ3，MJF6significantlyreducedsoilparticulateorganiccarbon（POC）xidizableorganiccarbon（POC）andsoubleorganiccarbon（SOC）. Redundancyanalysissowedhattheaasignificantpiorelationbetwencoalasdompoudfertlendtotaloanicabon （TOC）activcrb（O），silaloprdilrtiteasablatifadpodl couldncrease teontentofsoiltiveorganicarbon（articulateorgaicarbonxidizableoganicabon，solubleganicboic bial biomass carbon by 16.31% ， 13.79% ， 22.50% and 10.52% ，respectively，compared with QN3），it has obvious effct on improving the comprehensive fertility of Horqin sandy land（MJF6 was 15.25% better than NQ3）.

KeywordsCoal-basedcompoundfertilizer;Horqinsandyland;Comprehensive fertilityindex;Soilactiveorganiccarbon

科尔沁沙地土壤沙化严重，肥力低下，不利于植物生长，极易产生沙尘暴，对周边城市的生产生活也产生了很大影响[1-2]。（剩余11849字）