FARMERS’ PERCEPTION OF SOIL DEGRADATION IN SEMI-ARID AREAS OF KATSINA STATE, NORTHERN NIGERIA. FJS [Internet]. 2023 Mar. 15 [cited 2025 Sep. 12];2(4):136-47. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/1328