CONSTRUCTION OF A DOUBLE RING INFILTROMETER AND ITS USE FOR FIELD EVALUATION OF INFILTRATION CHARACTERISTICS OF TWO WOODLOT COMPARTMENTS OF AFAKA, KADUNA, NIGERIA . FJS [Internet]. 2023 Apr. 10 [cited 2025 Sep. 8];3(3):183-91. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1556