About the Authors

Haiying Yu

Affiliations Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China, World Agroforestry Centre, East-Asia Program, Kunming, China

Jianchu Xu

Affiliations Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China, World Agroforestry Centre, East-Asia Program, Kunming, China

Erick Okuto

Affiliation World Agroforestry Centre, Gigiri, Nairobi, Kenya

Eike Luedeling

E.Luedeling@cgiar.org

Affiliation World Agroforestry Centre, Gigiri, Nairobi, Kenya

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EL JX HY. Performed the experiments: EL. Analyzed the data: EO EL. Contributed reagents/materials/analysis tools: HY. Wrote the paper: HY EL.