About the Authors

Zhi-Gang Wang

Affiliation Key Laboratory of Plant and Soil Interactions, Ministry of Education, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China

Xin Jin

Affiliation Key Laboratory of Plant and Soil Interactions, Ministry of Education, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China

Xing-Guo Bao

Affiliation Institute of Soils, Fertilizers and Water-Saving Agriculture, Gansu Academy of Agricultural Sciences, Lanzhou 730070, China

Xiao-Fei Li

Affiliation Key Laboratory of Plant and Soil Interactions, Ministry of Education, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China

Jian-Hua Zhao

Affiliation Institute of Soils, Fertilizers and Water-Saving Agriculture, Gansu Academy of Agricultural Sciences, Lanzhou 730070, China

Jian-Hao Sun

Affiliation Institute of Soils, Fertilizers and Water-Saving Agriculture, Gansu Academy of Agricultural Sciences, Lanzhou 730070, China

Peter Christie

Affiliation Key Laboratory of Plant and Soil Interactions, Ministry of Education, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China

Long Li

lilong@cau.edu.cn

Affiliation Key Laboratory of Plant and Soil Interactions, Ministry of Education, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LL. Performed the experiments: ZGW XJ XGB JHZ XFL JHS. Analyzed the data: ZGW LL. Contributed reagents/materials/analysis tools: ZGW LL. Wrote the paper: ZGW PC LL.