PERFORMANCE OF COWPEA (VIGNAUNGUICULATAL) VARIETIES OF MEDIUM DURATION MATURITY AT SUDAN –SAVANNA AGRO-ECOLOGICAL ZONE OF NIGERIA. FJS [Internet]. 2023 Mar. 30 [cited 2025 Sep. 11];2(3):175-83. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/1408