广西马山县岩溶区土壤硒含量分布及影响因素研究

张春来, 杨慧, 黄芬, 曹建华

Distribution and influencing factors of selenium content in soil in karst areas in Mashan County, Guangxi, China

ZHANG Chun-Lai, YANG Hui, Huang Fen, CAO Jian-Hua

图1 工作区位置示意(a)及主要土地利用方式(b)

Fig.1 The study location(a) and the main land use types(b)