Effect of Variety and Planting Date on Cowpea Growth in Maize-Cowpea Intercrop in Southern Guinea Savannah, Kwara State. NJARD [Internet]. 2025 Sep. 5 [cited 2026 Jul. 7];1(2):Page 139 - 152. Available from: http://3.79.110.175/agricjournal/index.php/NJARD/article/view/49