- 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. International Journal of Recycling of Organic Waste in Agriculture, 8(3), 295 - 308. https://doi.org/10.1007/s40093-019-0251-0