青海玛沁县东部表层土壤养分地球化学评价
Geochemical evaluation of surface soil nutrients in eastern Maqin County, Qinghai Province, China
青海玛沁县东部表层土壤养分地球化学评价 |
| 张浩, 牛尧, 张海旭, 沙惠兰 |
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Geochemical evaluation of surface soil nutrients in eastern Maqin County, Qinghai Province, China |
| ZHANG Hao, NIU Yao, ZHANG Hai-Xu, SHA Hui-Lan |
| 图4 土壤中微量养分元素指标地球化学等级 |
| Fig.4 Geochemical grade map of trace nutrient element indicators in soil |
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