云南省者竜—嘎洒地区Cr、Ni地球化学特征及土壤污染风险防控建议
吴松, 陈政, 李元彬, 黄钊, 张林, 许胜超, 王开贵

Cr and Ni geochemistry and some suggestions on soil pollution risk prevention control in the Zhelong-Gasa area, Yunnan Province
WU Song, CHEN Zheng, LI Yuan-Bin, HUANG Zhao, ZHANG Lin, XU Sheng-Chao, WANG Kai-Gui
图7 不同土地利用方式土壤pH均值
Fig.7 The mean values of soil acidity in different land use