Response of soil net nitrogen mineralization to different levels of nitrogen addition in a saline-alkaline grassland of northern China
XU Xiao-Hui, DIAO Hua-Jie, QIN Chu-Yi, HAO Jie, SHEN Yan, DONG Kuan-Hu, WANG Chang-Hui
Chin J Plant Ecol . 2021, (1): 85 -95 .  DOI: 10.17521/cjpe.2020.0153