Yong, S. A. A., & 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), 29-49. https://doi.org/10.53555/ar.v6i9.3901