Yacoub, Ibrahim H., Agronomy Department, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
Yadessa, Gezahegn Berecha, Jimma University College of Agriculture and Veterinary Medicine, P.O.Box: 307
Yankyera, Kwasi Ohene, Department of Agricultural Economics, Agribusiness & Extension, Faculty of Agriculture, KNUST, Kumasi, Ghana
Youssef, Mohamed Saleh, 12 Ministry of Water Resources and Irrigation, Corniche El-Nile, Imbaba, Postal Code: 12666, Giza, Egypt.
Yusuf, Muktar Mohammed, 13 Haramaya University, College of Agriculture and Environmental Sciences, School of Natural Resources Management and Environmental Sciences, P.O. Box,138, Dire Dawa, Ethiopia.