1. Policy Simulation
Lab, Zhejiang University, Hangzhou 310058,
PR China
2. College of Life
Sciences, Zhejiang University, Hangzhou
310058, PR China
3. Department
of Environmental Sciences, University of Virginia, Charlottesville, Virginia 22904,
United States
4. Department
of Plant Nutrition, China Agricultural University, Key Laboratory of Plant-Soil
Interactions, Ministry of Education, Beijing 100094, PR China
5. Department of Soil Quality, Wageningen University, Wageningen, P.O. Box 47, 6700
AA, The Netherlands
6. Department
of Renewable Resources, University of Alberta, Edmonton, Alberta, Canada T6G
2E3
7. Research Center for Sustainable
Development, Zhejiang University, Hangzhou
310058, PR China