“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) 1, no. 2 (September 5, 2025): Page 139 – 152. Accessed July 7, 2026. http://3.79.110.175/agricjournal/index.php/NJARD/article/view/49.