Aliyu A, Madukwe DK, Meka IN, Ojeniyi KA. Effect of triple superphosphate (TSP) fertilizer rates on cowpea growth and yield under irrigation: a case of lowland area, Sokoto state, Nigeria. J. Current Opinion Crop Sci., [Internet]. 2026Mar.31 [cited 2026Apr.30];7(1):20-33. Available from: https://jcocs.com/index.php/ej/article/view/372