About the Authors

Yong He

Affiliations Semiarid Prairie Agricultural Research Centre, Agriculture and Agri-Food Canada, Swift Current, Saskatchewan, Canada, Department of Soil and Water Sciences, China Agricultural University, Beijing, China

Hong Wang

hong.wang@agr.gc.ca

Affiliation Semiarid Prairie Agricultural Research Centre, Agriculture and Agri-Food Canada, Swift Current, Saskatchewan, Canada

Budong Qian

Affiliation Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, Ottawa, Ontario, Canada

Brian McConkey

Affiliation Semiarid Prairie Agricultural Research Centre, Agriculture and Agri-Food Canada, Swift Current, Saskatchewan, Canada

Ron DePauw

Affiliation Semiarid Prairie Agricultural Research Centre, Agriculture and Agri-Food Canada, Swift Current, Saskatchewan, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HW YH. Analyzed the data: HW YH BQ. Contributed reagents/materials/analysis tools: HW YH BQ. Wrote the paper: YH HW BQ RD. Gave advice and suggestions on restrictions of seeding date of wheat in Saskatchewan, Canada: BM.