Risk Assessment on Nitrogen Loss from Crop Farming in the Three Northeastern Provinces of China
HUANG Jie-yu, NAN Zhe, SHANG Xue-shen, WANG Xiao-yan, DU Yi
Journal of Ecology and Rural Environment . 2022, (5): 660 -669 .  DOI: 10.19741/j.issn.1673-4831.2021.0189