Determining the Profitability of Different NPSB and Nitrogen Fertilizer Rates on Yield and Yield Attributes of SweetPotato (Ipomoea batatas L.) in the Midland Areas of Guji Southern Oromia, Ethiopia

Introduction  Sweet potato (Ipomoea batatas (L) Lam) is an incredibly versatile vegetable species, known for its tuberous root. It thrives in tropical areas, making it a popular…