About the Authors

Hasen M. Yusuf

hasanyusuf12@gmail.com

Affiliation College of Agriculture and Natural Resources, Wollega University, 395 Nekemte, Ethiopia

Anna C. Treydte

Affiliation Institute of Plant Production and Agroecology in the Tropics and Subtropics, University of Hohenheim, 70593 Stuttgart, Germany

Jauchim Sauerborn

Affiliation Institute of Plant Production and Agroecology in the Tropics and Subtropics, University of Hohenheim, 70593 Stuttgart, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HMY ACT JS. Performed the experiments: HMY ACT JS. Analyzed the data: HMY ACT. Contributed reagents/materials/analysis tools: HMY ACT JS. Wrote the paper: HMY ACT JS.