About the Authors

Ningning Song

Affiliation National Soil Fertility and Fertilizer Effects Long-term Monitoring Network/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, P.R. China

Xu Zhong

Affiliation National Soil Fertility and Fertilizer Effects Long-term Monitoring Network/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, P.R. China

Bo Li

Affiliations National Soil Fertility and Fertilizer Effects Long-term Monitoring Network/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, P.R. China, Institute of Plant Nutrition and Environmental Resources, Liaoning Academy of Agricultural Sciences, Shenyang, P.R. China

Jumei Li

Affiliation National Soil Fertility and Fertilizer Effects Long-term Monitoring Network/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, P.R. China

Dongpu Wei

Affiliation National Soil Fertility and Fertilizer Effects Long-term Monitoring Network/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, P.R. China

Yibing Ma

mayibing@caas.cn

Affiliation National Soil Fertility and Fertilizer Effects Long-term Monitoring Network/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, P.R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YM NS. Performed the experiments: NS XZ. Analyzed the data: NS JL. Contributed reagents/materials/analysis tools: YM BL DW. Contributed to the writing of the manuscript: NS YM.