Surajo, A., Fagam, A. S., Ali, G., Sabo, M. U., Bindawa, M. A., and Yahaya, S. U. “EFFECT OF DIFFERENT PHOSPHORUS FERTILIZATION AND SOWING DATES ON GROWTH AND YIELD OF LABLAB (Lablab Purpureus L. Walp) VARIETIES IN SEMI-ARID ECOLOGICAL ZONE OF RINGIM, JIGAWA STATE, NIGERIA”. Nigerian Journal of Agriculture and Agricultural Technology 3, no. 1 (June 10, 2023): 142–149. Accessed October 3, 2025. https://www.njaat.com.ng/index.php/njaat/article/view/464.