GROWTH AND YIELD PERFORMANCES OF COWPEA VARIETIES (VIGNAUNGUICULATA (L.)WALP) IN SUDAN SAVANNA ECOLOGICAL ZONE OF NIGERIA. wujostec [Internet]. 2025 Nov. 30 [cited 2026 Apr. 11];7(2). Available from: https://wujostec.com.ng/index.php/wujostec/article/view/15