土壤钾素管理研究进展  

Research Progress on Soil Potassium Management

作　　者：朱向东[1] 王宏庭[2] 

机构地区：[1]山西大学生物工程学院,山西太原030006 [2]山西省农业科学院农业环境与资源研究所,山西太原030006

出　　处：《山西农业科学》2013年第11期1274-1281,共8页Journal of Shanxi Agricultural Sciences

基　　金：中加合作项目(NM BF-Shanxi2012)

摘　　要：钾是植物必需的营养元素,在提高作物产量和改善农产品品质方面起着至关重要的作用。扼要地介绍了土壤钾素形态、含量状况以及土壤钾素平衡现状,分析了我国钾素资源概况,总结了施用钾肥与秸秆还田对土壤钾素、作物产量、品质和抗逆性的效应,以便为钾素合理施用提供理论依据。Potassium is an essential element in plant nutrition and plays a vital role in crop＇s yield and quality improvment.This paper briefly presents soil potassium form,content status and soil potassium balance,and analyzes the general situation of K resources.The effect of K fertilizer application and straw returning on soil potassium,yield and quality as well as stress resistance are summarized to provide a theoretical basis for reasonable K application and distribution.

关 键 词：土壤钾素 钾肥 秸秆还田 作物效应 

分 类 号：S153.61[农业科学—土壤学]