Effects of adding lignin to chicken manure on nitrate metabolism in soil of the root zone of Malus hupehensis Rehd
CHEN Jin-xu, MA Kai-xuan, MOU Li-tong, CAO Hui, HUANG Ping, FAN Wei-guo, YANG Hong-qiang , ZHANG Wei-wei, WANG Li
Shandong Science . 2019, (3): 73 -79 .  DOI: 10.3976/j.issn.1002-4026.2019.03.011