1. Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation
2. College of Resources and Environmental Sciences
3. China Agricultural University
4. Beijing 100193
5. China
6. Department of Analytical Chemistry
7. the Connecticut Agricultural Experiment Station
8. New Haven
9. USA
10. Stockbridge School of Agriculture
11. College of Agriculture
12. Guangxi University
13. Nanning 530005
14. Key Laboratory of Plant Nutrition and Fertilizer
15. Ministry of Agriculture of China/Institute of Agricultural Resources and Regional Planning
16. Chinese Academy of Agricultural Sciences
17. Beijing 100081
18. Research Institute of Subtropical Forestry
19. Chinese Academy of Forestry
20. Zhejiang 311400
21. University of Massachusetts
22. Amherst