OJIMGBA , O. . Influence of Inorganic Fertilizer (NPK 15:15:15) and Cacao (Theobroma cacao L) Leaf Litter Application Rates on Cowpea (Vigna unguiculata L.) Performance in the Tropics. American International Journal of Agricultural Studies , [S. l.], v. 3, n. 1, p. 14–32, 2020. DOI: 10.46545/aijas.v3i1.15. Disponível em: https://www.acseusa.org/journal/index.php/aijas/article/view/15. Acesso em: 22 sep. 2021.