SOME EFFECTS OF DEEP WORKING ON SOLONETZ SOIL
[摘要] A6-yearstudywasconductedtodeterminetheeffectofworkingtoadepthof24inchesontheproductivityandchemicalandphysicalconditionofaSolonetzsoil.Productivitywasgenerallyincreasedduringthesecondrotationbydeepworking.TheextractablecalciumcontentoftheAandBhorizonswasincreasedandthesodiumcontentdecreased.Themagnesiumdistributionwasnotchanged.AnintractableB-likehorizonreformedinthedeep-workedplots.Norelationshipwasfoundbetweenproductivityandthebalanceofextractablecations.
[发布日期] [发布机构]
[效力级别] [学科分类] 农业科学（综合）
[关键词] [时效性]
