HEAVY METALS IN TOMATO, BELL PEPPER AND ONION PRODUCED UNDER THE KANO RIVER IRRIGATION PROJECT. FJS [Internet]. 2023 Dec. 27 [cited 2025 Sep. 11];7(6):86-94. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/2107