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时间:2020-04-20
《硝酸钙泥、硝酸镁泥肥料化的土壤效应.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、天津农业科学TianjinAgriculturalSciences2014,20(6):86-89·土壤肥料与节水灌溉硝酸钙泥、硝酸镁泥肥料化的土壤效应吴旋,卜玉山,刘亚楠,张吴平,刘奋武(山西农业大学资源环境学院,山西太谷030800)摘要:利用盆栽试验研究了硝酸钙泥、硝酸镁泥及其与有机、无机肥料配合下对土壤肥力性状的影响。结果表明:施肥处理使土壤pH值、含盐量、有机质和全氮含量增加。其中Ca+W和Mg+w处理的土壤含盐量和全氮含量与cK处理之间差异显著,含盐量分别增加了0.202个百分点和0.162个百分点,全氮含量分别增加了54.68%和51.
2、23%;Ca+Y和Mg+Y处理的土壤pH值、有机质含量与cK处理之间差异显著,pH值分别增加了O.38和0.36,有机质分别增加了70.51%和31.63%。由此可见,硝酸钙泥、硝酸镁泥与无机肥料或者有机肥料配合施用对土壤具有良好的改良作用,其次为与无机有机肥料配合施用。但盐分是影响硝酸钙和硝酸镁泥肥料化的主要因素。因此,硝酸钙泥、硝酸镁泥可与有机、无机肥料配置成复混肥料实现农业资源化利用,但须合理施用。关键词:硝酸钙泥;硝酸镁泥;工业废弃物;肥料化中图分类号:S141.6文献标识码:ADOI编码:10.39698.issn.1006—6500.20
3、14.06.021EfectonSoilofCalciumNitrateResidueandMagnesiumNitrateResidueasFertilizerWUXuan,BUYu-shan,LIUYa-nan,ZHANGWu—ping,LIUFen—WH(CollegeofResourcesandEnvironment,ShanxiAgriculturalUniversity,Taigu,Shanxi030800,China)Abstract:Theinfluenceofthesoilunderthetreatmentofcalciumnitr
4、ateresidueandmagnesiumnitrateresiduecooperatingwithor—ganicandinorganicfertilizerswasresearchedbypottingexperimenta1.TheresultsshowedthatthetreatmentoffertilizerincreasedpH,contentofsalt,organicmatterandtotalnitrogeninsoil.Thecontentofsaltandtotalnitrogeninsoilwassignificantdif
5、ferentbe—tweenthetreatmentofCa+WandMg+WandtreatmentofCK.Thecontentofsaltwasincreasedby0.202and0.162Percent-age,thecontentoftotalnitrogenincreasedby54.68%and51.23%.ThepHandthecontentoforganicmatterweresignificantdifferentbetweentreatmentofCa+WandMg+WandtreatmentofCK,thepHincreas
6、edbyO.38andO.36,thecontentoforganicmatterin—creasedby70.51%and31.63%.Thus,withthecoordinationofcalciumnitrateresidueandmagnesiumnitrateresidueandinorganicororganicfertilizerhasagoodroleonsoilinimprovingproperties,secondly,coordinationwithorganicandinorganicfertilizer.Butsaltist
7、hemainfactoraffectingcalciumnitrateresidueandmagnesiumnitrateresiduefertilizer.Therefore,calciumnitrateresidueandmagnesiumnitrateresiduecanbeconfiguredwithorganicandinorganicforcompoundfertilizerinagriculturalresourcesutilization,butneedtobereasonableapplication.Keywords:calciu
8、mnitrateresidue;magnesiumnitrateresidue;industrialwast
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