Effects of Foliar Gradient Micro-fertilizer Sprayed by UAV on the Grain Mineral Elements of Different Winter Wheat Varieties
LI Wen-zong, LI Chun-ping, LIANG Xin, WANG Run-hao, WANG Lei
Biotechnology Bulletin . 2021, (9): 152 -160 .  DOI: 10.13560/j.cnki.biotech.bull.1985.2020-1434