Mehdi, I. . “Impacts of Blended NPSB Fertilizers on Growth and Phenology of Orange Fleshed Sweet Potato (Ipomoea Batatas [L.] Lam.) at Central Ethiopia”. B.R. Nahata Smriti Sansthan Agricultural Extension Journal (AEXTJ), vol. 8, no. 02, June 2024, doi:10.22377/aextj.v8i02.426.