OKPARA, D. A.; OMALIKO, C. P. E. Forage millet response to irrigation and nitrogen fertilization in the derived savannah zone of nigeria. Ghana Journal of Agricultural Science, [S. l.], v. 28, n. 1, p. 37–44, 1995. DOI: 10.4314/gjas.v28i1.2006. Disponível em: https://www.ajol.info/index.php/gjas/article/view/2006. Acesso em: 18 aug. 2026.