1. Department of Horticulture and Plant Science, College of Agriculture and Natural Resources, Salale University, P.O. Box 245, Fiche, Oromia, Ethiopia
2. Center for Environmental Science, College of Natural and Computational Sciences, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia
3. Land Resources Management and Environmental Protection, Mekelle University, Mekelle, Tigray, Ethiopia