1. State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, Beijing 100193, China
2. National Academy of Agriculture Green Development, China Agricultural University, Beijing 100193, China
3. Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400044, China
4. College of Resources and Environment, Henan Agricultural University, Zhengzhou 450002, China
5. College of Resources and Environmental Sciences, Hebei Agricultural University, Baoding 071001, China
6. National Agricultural Technology, Extension and Service Center, Ministry of Agriculture and Rural Affairs, Beijing 100125, China