PETER, K. D.; EDISA, A. E. Effects of Organic and Inorganic Fertilizers on Some Physical and Chemical Properties of Ultisols and Growth Parameters of Okro (Abelmoschus esculentus). Direct Research Journal of Agriculture and Food Science, [S. l.], v. 14, n. 1, p. 20–25, 2026. DOI: 10.4314/drjafs.v14i1.2. Disponível em: https://journals.directresearchpublisher.org/index.php/drjafs/article/view/591. Acesso em: 29 jul. 2026.