About the Authors

Zhaojun Li

lizhaojun@caas.cn

Affiliation Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Key Laboratory of Plant Nutrition and Fertilizer, Ministry of Agriculture, Beijing, China

Hua Yang

Affiliations Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Key Laboratory of Plant Nutrition and Fertilizer, Ministry of Agriculture, Beijing, China, Guizhou Key Laboratory of Mountain Environment, Guizhou Normal University, Guiyang, China

Yupeng Li

Affiliations Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Key Laboratory of Plant Nutrition and Fertilizer, Ministry of Agriculture, Beijing, China, College of City and Environmental Sciences, Shanxi Normal University, Linfen, China

Jian Long

Affiliation Guizhou Key Laboratory of Mountain Environment, Guizhou Normal University, Guiyang, China

Yongchao Liang

Affiliation Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Key Laboratory of Plant Nutrition and Fertilizer, Ministry of Agriculture, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZL Y. Liang. Performed the experiments: Y. Li. Analyzed the data: HY. Contributed reagents/materials/analysis tools: Y. Li JL. Wrote the paper: ZL HY.