Ibrahim, I. I. . (2022) “Efficacy of Biochar and NPK Fertilizer on Soil Properties and Yield of Okra (Abelmeschus esculentus L.) in Guinea Savanna Region of Nigeria”, Journal of Environmental Bioremediation and Toxicology, 5(1), pp. 6–10. doi: 10.54987/jebat.v5i1.667.