海伦市土壤主要微量元素空间分布特征

李秋燕, 张一鹤, 魏明辉, 贺鹏飞

Spatial distribution of the soil trace elements in Hailun City

LI Qiu-Yan, ZHANG Yi-He, WEI Ming-Hui, HE Peng-Fei

图2 表层土壤微量元素含量空间分布

Fig.2 Spatial distribution of trace elements in surface soils