Effects of nitrogen addition and planting density on the growth and biological nitrogen fixation of Lespedeza davurica
WANG Yin-Liu, GENG Qian-Qian, HUANG Jian-Hui, WANG Chang-Hui, LI Lei, HASI Muqier, NIU Guo-Xiang
Chin J Plant Ecol . 2021, (1): 13 -22 .  DOI: 10.17521/cjpe.2020.0185