Idris S, Adamu M, Maiyaki MM, Mahmud AT, Haruna MA. ASSESSMENT OF PRODUCTIVITY STATUS OF VERTISOLS IN SUDAN SAVANNA ZONE OF NIGERIA. FJS [Internet]. 2023Apr.12 [cited 2024May17];3(4):553 -61. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1685