Mehdi I. Yield and Profitability Analysis of Orange Flesh Sweet Potato (Ipomoea batatas (L.) Lam.) Varieties at Different Rates of Blended NPSB Fertilizers at Central Ethiopia. AEXTJ [Internet]. 2024 Jun. 15 [cited 2025 Jan. 31];8(02). Available from: https://aextj.com/index.php/aextj/article/view/425