Muhammad LK, Kabir K, Ghana MA. Influence of Cowdung Fertilization And Spacing On Growth And Yield Of Cowpea (Vigna Unguiculata L. Walp) Varieties In Teaching And Research Farm Of Federal University, Dutsin-Ma, Nigeria. FJS [Internet]. 2026 Sep. 30 [cited 2026 Oct. 20];10(17):401-8. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/6109