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时间:2020-04-23
《不同有机物料施用对灌漠土春小麦产量和土壤肥力的影响-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、巾国麈擘(丕搪2014,30(24):133—140ChineseAgriculturalScienceBulletin不同有机物料施用对灌漠土春小麦产量和土壤肥力的影响安康,俄胜哲,车宗贤1,2,3袁金华(甘肃农业大学资源与环境学院,兰州730070;甘肃省农业科学院土壤肥料与节水农业研究所,兰州730070;农业部甘肃耕地保育与农业环境科学观测实验站,兰州730070)摘要:研究了牛粪、沼渣、污泥、鸡粪、茵渣和猪粪6种有机物料施用对灌漠土春小麦产量和土壤肥力的影响,旨在考察6种有机废弃物农用
2、的可行性。采用大田试验方法,分别将6种有机物料与70%常量化肥配合施用,共设置了8个处理。结果表明,与对照相比,6种有机物料与70%常量化肥配合施用均能提高春小麦的籽粒产量和生物产量。与施用常量化肥的处理相比,菌渣、污泥和鸡粪处理能提高春小麦的氮素利用率;茵渣、沼渣和污泥处理能提高春小麦的磷素利用率。菌渣和污泥处理的钾素利用率要远远高于其他有机物料的处理,分别达到了97.47%和94.75%。不同有机物料输入均能显著提高灌漠土的有机质含量,对土壤全量养分含量的影响均表现不显著,对速效养分含量则能
3、产生不同的影响。关键词:有机物料;灌漠土;春小麦;土壤肥力中图分类号:$158文献标志码:A论文编号:2014—0343EfectsofDiferentOrganicMaterialsonSpringWheatYieldandSoilFertilityofIrrigatedDesertSoilAnKang’,EShengzhe,CheZongxian.2,3,YuanJinhua,(CollegeofResourcesandEnvironment,GansuAgriculturalUnive~i
4、ty,Lanzhou730070;2InstituteofSoil,Feail~erandWater-savingAgriculture,GansuAcademyofAgriculturalSciences,Lanzhou730070;。GansuScientificObservingandExperimentalStationofAgro—EnvironmentandArableLandConservation,MinistryofAgriculture,Lanzhou730070)Abstr
5、act:Efectsofapplicationof6differentorganicmaterialssuchascattlemanure,biogasresidue,sewagesludge,chickenmanure,mushroomresidueandpigmanureonspringwheatyieldandsoilfertilityofirrigateddesertsoilwerestudiedinordertoinvestigatetheagriculturalfeasibility
6、oforganicwastes.Thestudywascarriedoutthroughfieldexperiments,inwhichcombinedapplicationof6differentorganicmaterialsand70%conventionalchemicalfertilizerwasadopted,with8treatmentssetupintota1.Theresultsshowedthatcombinedapplicationof6diferentorganicmat
7、erialsand70%conventionalchemicalfertilizercouldincreasethegrainyieldandbiologicalyieldofspringwheatincomparisontocontro1.Mushroomresidue,sewagesludgeandchickenmanurecouldincreaseNuseeficiencyandmushroomresidue,biogasresidueandsewagesludgecouldincreas
8、ePuseefficiencyofspringwheatbycontrastwithconventionalchemicalfertilizerapplication.TheKuseefficiencyofmushroomresidueandsewagesludgewasfoundtobemuchhigherthanothertreatments,reaching97.47%and94.75%respectively.Theinputofdifferentorganicmaterialsincr
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