Tang, E.N. and Ngome, F.A. 2022. The Integrated Effects of Fertilizer on Sweet Potato (Ipomea Batatas, Lam.) in Andosol and Nitisol Soils . International Journal of Sustainable Agricultural Research. 9, 1 (Apr. 2022), 28–45. DOI:https://doi.org/10.18488/ijsar.v9i1.2962.