1 College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, State Key Laboratory of Nutrient Use and Management, China Agricultural University, Beijing, PR China.
2 Wageningen Environmental Research, Wageningen University & Research, Wageningen, the Netherlands.
3 Farming Systems Ecology group, Wageningen University & Research, Wageningen, the Netherlands.
4 Animal Production Systems group, Wageningen University & Research, Wageningen, the Netherlands.
5 The World Bank Group, Agriculture and Food Global Practice, Washington, DC, USA.
6 College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, State Key Laboratory of Nutrient Use and Management, China Agricultural University, Beijing, PR China. houyong7514364@126.com.