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

Geochemical evaluation of surface soil nutrients in eastern Maqin County, Qinghai Province, China

ZHANG Hao, NIU Yao, ZHANG Hai-Xu, SHA Hui-Lan

图1 玛沁县土壤景观分区

Fig.1 Soil landscape zoning map of Maqin County