Influence of nitrogen addition on the primary production in Nei Mongol degraded grassland
Jing WANG, Shan-Shan WANG, Xian-Guo QIAO, Ang LI, Jian-Guo XUE, Muqier HASI, Xue-Yao ZHANG, Jian-Hui HUANG
Chin J Plan Ecolo . 2016, (10): 980 -990 .  DOI: 10.17521/cjpe.2016.0141