Elamin, E.M. and Omer, M.A. 2023. Effect of Some Tillage Systems on Surface Runoff and Soil Erosion in Northern Gedarif Area, Sudan. University of Khartoum Journal of Agricultural Sciences. 24, 1 (Mar. 2023). DOI:https://doi.org/10.53332/uofkjas.v24i1.1787.