清水河流域山区坡面土壤养分分布特征

张　欣，梁　敬，于　铄，杜　欢，文宏达

Analysis of the distribution characteristics of soil nutrients of mountain slope in Qingshui river watershed

河北农业大学学报 . 2017, (6): 27 -32 . DOI: 10.13320 / j.cnki.jauh.2017.0121