TY - Chin J Plant Ecol A1 - Liu Guo-bin, Yang Xiao-ying T1 - A Study on Laws of Formation of Biomass and Nutritive Substance for Astragalus adsurgens Pall Y1 - JF - Chinese Journal of Plant Ecology JO - Chin J Plant Ecol SP - 272 EP - 282 VL - 12 IS - 4 UR - https://www.plant-ecology.com N1 - ER -