BUNMI, O. Y.; AJAYI, O. J. The Reactions of Common Chemical Fertilizers in An Ultisol and Their Effects on Cowpea Performance. JOURNAL OF TROPICAL SOILS, [S. l.], v. 24, n. 1, p. 25–32, 2019. DOI: 10.5400/jts.2019.v24i1.25-32. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/336. Acesso em: 15 jul. 2025.