河北省永清县农耕区土壤肥力主要指标现状评价

胡庆海, 李俊华, 王学求, 羿明璇, 吴慧, 田密

Evaluation of the primary soil fertility indices for the agricultural area of Yongqing County, Hebei Province

HU Qing-Hai, LI Jun-Hua, WANG Xue-Qiu, YI Ming-Xuan, WU Hui, TIAN Mi

图1 永清县区域位置(a)及土壤肥力调查点位分布(b)

Fig.1 Regional location(a) and distribution of soil fertility survey sites(b) in Yongqing County