UKPONG, G. U.; EGBULEFU, G. U. Effect of Charcoal on Soil Physico-Properties in Ndele, Rivers State: Implication for Organic Farming. e-Proceedings of the Faculty of Agriculture International Conference, Awka, Nigeria, p. 103–107, 2023. Disponível em: https://journals.unizik.edu.ng/faic/article/view/1900. Acesso em: 28 apr. 2024.