新疆若羌县农用地表层土壤硒氟碘地球化学特征

马常莲, 周金龙, 曾妍妍, 任贵兵, 王松涛

Geochemical characteristics of selenium, fluorine, iodine in surface soil of the agricultural land in Ruoqiang County, Xinjiang

MA Chang-Lian, ZHOU Jin-Long, ZENG Yan-Yan, REN Gui-Bing, WANG Song-Tao

图2 研究区表层土壤Se、F、I含量等级分区

Fig.2 Grade zoning map of selenium, fluorine and iodine content in topsoil of the study area