Moayad B. Zaied

Department of Agricultural Engineering, Faculty of Natural Resources, University of Kordofan, Elobied, Sudan

Ahmed M. El Naim

Department of Crop Sciences, Faculty of Natural Resources, University of Kordofan, Elobied, Sudan, P.O. 160.

Mohammed H. Dahab

Department of Agric. Eng., Faculty of Agriculture, University of Khartoum, Sudan

Afraa S. Mahgoub

Ministry of Agriculture of North Kordofan State, Elobied, Sudan