作者机构:[1]Institute of Agricultural information, Chinese Academy of Agricultural Sciences/Key Laboratory of Agri-information Service Technology, Ministry of Agriculture, Beijing 100081, P.R.China, [2]Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences/Key Laboratory of Nonpoint Source Pollution Control, Ministry of Agriculture, Beijing 100081, P.R.China, [3]Beijing Municipal Station of Agro-environmental Monitoring, Beijing 100029, P.R. China
相关基金:The study was funded by the National Natural Science Foundation of China (41471285), the Agricultural Science and Technology Innovation Program (ASTIP) of Chinese Academy of Agricultural Sciences (CAAS-ASTIP-2016- All), the Key Laboratory of Nonpoint Source Pollution Control, Ministry of Agriculture, China (2014-37), the Newton Fund, United Kingdom (BB/N013484/1), and the National Key Research and Development Program of China (2016YFD0200601). We thank all scientists and staffs associated with the National Long-term Monitoring Network on Soil Fertility and Fertilizer of China for supplying the historic dataset of this study.