About the Authors

Jiamei Wang

Roles Conceptualization, Data curation, Investigation, Methodology, Resources, Software, Writing – original draft

Affiliation Institute of Agricultural Economics and Development, Chinese Academy of Agricultural Sciences, Beijing, China

Xiangdong Hu

Roles Conceptualization, Funding acquisition, Validation, Visualization, Writing – review & editing

huxiangdong@caas.cn

Affiliation Institute of Agricultural Economics and Development, Chinese Academy of Agricultural Sciences, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.