[1]
“Nitrogen nutrition of cowpeas (Vigna unguiculata) effects of timing of inorganic nitrogen applications on nodulation, plant growth and seed yield”, ta, vol. 58, no. 1, Jan. 1981, Accessed: Jul. 23, 2024. [Online]. Available: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/2821