三江平原西部土壤硒分布特征及其影响因素
牛雪, 何锦, 庞雅婕, 明圆圆

Distribution feature of soil selenium in west Sanjiang plain and its influencing factors
NIU Xue, HE Jin, PANG Ya-Jie, MING Yuan-Yuan
图1 研究区位置及地貌示意
(地貌图据杨湘奎等[21]改绘)
Fig.1 Study area location and geomorphological lithology sketch map
(geomorphological map basesed on Yang Xiangkui[21] redrawing)