- Oladele, Segun., Adeyemo, Adebayo., Awodun, Moses., Ajayi, Ayodele., Fasina, Abayomi. (2024) Effects of biochar and nitrogen fertilizer on soil physicochemical properties, nitrogen use efficiency and upland rice (Oryza sativa) yield grown on an Alfisol in Southwestern Nigeria. IJROWA, 8(3):295 - 308. https://doi.org/10.1007/s40093-019-0251-0