Development and demand analysis of liquid fertilizer machines at home and abroad
ZHANG Lu-yun, HE Yi-chuan, YANG Huai-jun, HE Xing-cun, MENG Xiang-jin
HUBEI AGRICULTURAL SCIENCES . 2020, (15): 12 -15 .  DOI: 10.14088/j.cnki.issn0439-8114.2020.15.002