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时间:2017-12-08
《有机无机配施对太行山山前平原小麦产量和土壤培肥的影响》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、ICT●●口RICULTUR^£华北农学报·2010,25(增刊):212—216BOREaU-$1HI“有机无机配施对太行山山前平原小麦产量和土壤培肥的影响邢素丽,刘孟朝,徐明岗(1.河北省农林科学院农业资源环境研究所,河北石家庄050051;2.中国农业科学院农业资源与区划所。北京10Q)81)摘要:针对太行山山前平原生态类型区土壤有机质含量和土壤氮储量偏低,增产潜力下降和稳定性差等问题,在河北省辛集市马兰农场进行小麦培肥定位试验,研究化肥和有机肥配施对小麦产量及土壤培肥的影响。设5个处理:①对照(不施肥);②NPK化肥;③秸秆还田;@NPK化肥+秸秆还田;~NPK化肥+有机肥。
2、结果表明。NPK化肥配合有机肥施用,其作用优于化肥配合等养分含量的秸秆直接还田。相对于对照,不同肥力地块产量增加75.64%一79.7%,增稳系数增加3.O3—3.19,土壤有机质、全氮、碱解氮、全磷、有效磷、速效钾分别增加14.59%一19.2%,5.7%~l4.8I%,l0.38%~24.3O%,8.63%~1O.89%,93.19%~107.24%,17.69%一55.18%。因此化肥和有机肥配合施用能提高土壤有机质、土壤全N、土壤全P、土壤速效氮、有效磷、速效钾含量,增加小麦产量并提高其增产稳定性。关键词:有机无机配施;土壤有机质;土壤培肥;增产稳定性中图分类号:$15文献标
3、识码:A文章编号:1000—7091(2010)增刊一0212—05TheResearchofNPKFertilizerCombinedwithSoilOrganicManureEnhancingSoilFertilizationinTaihangPiedmontPlainXINGSu-li,LIUMeng-chao‘,XUMing—gang(1.AgriculturalResourcesandEnvironmentInstitute,HebeiAcademyofAgricultureandForestrySciences,Shijiazhuang050051,China;2.Chi
4、neseAcademyofAgricultureSciencesInstituteofAgriculturalResourcesandRegionalPlanning,Beijing100081,China)Abstract:Totackletheproblemssuchaslowersoilorganicmatterconcentration,soilNreserves,descendingyieldincreasingpotentialandloweryieldstabilityinTaihangPiedmontPlain,studytheefectofNPKfertilizer
5、corn~binedorganicmanureonsoilorganicmatterconcentrationandsoilnutrientconcentrationsuchasnitrogen,phos—phorousandpotassium,indictthespecifiedquantity。FieldexperimentsateexecutedinMalanfarm,Xinji,Hebei.Therewere5treatmentsaredesigned,①CK(nofertilization),②NPKfertilizer,③Cornstraw,④NPKfertilizer+
6、cornstraw,⑤NPKfertilizer+organicmanure(mainlybyhorsemanure).NPKfertilizercombinedorganicmanureisbetterthanNPKfertlizercombinedcolnstrawwithequalnutrientquantity.ComparedtheCK,Yieldhasanin-creaserangebetween75.64%一79.7%.Soilorganicmatter,totalN,availableN,totalP,availablePandavailableKhasrespect
7、ivelyincreasein14.59%一19.2%,5.7%一14.81%,10.38%一24.30%,8.63%一10.89%,93.19%一107.24%and17.69%一55.18%inconcentration.NPKfertilizercombinedorganicmanureincreasecanincreasesoilorganicmatterandreservesofNandP,increasesoilavailblephosphor
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