Yong, S.A.A. and Deng , P.K. 2020. CHARACTERIZATION OF THE SOIL OF THE UPPER NILE UNIVERSITY FARM, EL RENK AREA, SOUTH SUDAN. IJRDO-Journal of Agriculture and Research (ISSN: 2455-7668). 6, 9 (Oct. 2020), 29-49. DOI:https://doi.org/10.53555/ar.v6i9.3901.