The characteristics of soil physicochemical properties and the roles of metallic elements in organic livestock production under three grassland types in middle and east of Qinghai-Tibet Plateau
WEI Yaxi, YANG Yongsheng, HE Huidan, ZHU Jingbin, LI Hongqin, LI Yingnian
Journal of Glaciology and Geocryology . 2018, (6): 1265 -1274 .  DOI: 10.7522/j.issn.1000-0240.2018.0136