连作棉田土壤剖面钾含量变化特征及对不同耕作方式的响应
韩春丽,刘梅,张旺锋,刘娟,干秀霞,郝全胜
The Depth Variation Characteristics of Soil Potassium in Continuous Cotton Field and Its Changes with Different Cultivation Practices
HAN Chun-li,LIU Mei,ZHANG Wang-feng,LIU Juan,GAN Xiu-xia,HAO Quan-sheng
中国农业科学 . 2010, (14): 2913 -2922 .  DOI: 10.3864/j.issn.0578-1752.2010.14.010