青海省海东市三合镇天然富硒土地划定

张亚峰, 姚振, 朱明霞, 马强, 沈骁, 王帅, 贺连珍, 代璐

Delimitation of natural Se-rich land in Sanhe Town, Haidong City, Qinghai Province, China

ZHANG Ya-Feng, Yao Zhen, ZHU Ming-Xia, MA Qiang, SHEN Xiao, WANG Shuai, HE Lian-Zhen, DAI Lu

图4 研究区天然富硒土地划定区

Fig.4 Natural selenium-rich land zoning in the study area