Ekpo TUU, Ekpo NT. Influence of vegetable cowpea (Vigna unquiculatasub species sesquipedalis) on weed biomass and soil Nitrogen fertility status in cassava intercrop:  International Journal of Innovational in Educational Methods, 11 (2) . ADI [Internet]. 2025 Dec. 16 [cited 2025 Dec. 16];: 58-70. Available from: https://publications.afrischolar.net/index.php/home/article/view/499