Influence of nitrogen, phosphorus and potassium application on the yield of maize in the savanna zone of Nigeria. Frontiers of Agriculture and Food Technology, [S. l.], v. 10, n. 1, p. 133–137, 2019. Disponível em: https://kevinpage.org/index.php/FAFT/article/view/848. Acesso em: 28 oct. 2026.