Effect of Variety and Planting Date on Cowpea Growth in Maize-Cowpea Intercrop in Southern Guinea Savannah, Kwara State. The NOUN Journal of Agricultural Research and Development (NJARD), [S. l.], v. 1, n. 2, p. Page 139 – 152, 2025. Disponível em: http://3.79.110.175/agricjournal/index.php/NJARD/article/view/49. Acesso em: 7 jul. 2026.