Effects of humic acid water soluble fertilizer on root growth and yield quality in Astragalus membranaceus var. mongholicus
GUO Yan, SHENG Jinhua, ZHANG Xiongjie, LIU Jie, LI Xiaoji
Journal of Northern Agriculture . 2019, (3): 85 -90 .  DOI: 10.3969/j.issn.2096-1197.2019.03.16