MODELING THE ONION YIELD RESPONSE TO DEFICIT IRRIGATION AND MULCH USING MULTIPLE REGRESSION MODEL IN SEMI-ARID NIGERIA. FJS [Internet]. 2022 Jun. 30 [cited 2025 Sep. 4];6(3):243-7. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/977