CONSTRUCTION OF A DOUBLE RING INFILTROMETER AND ITS USE FOR FIELD EVALUATION OF INFILTRATION CHARACTERISTICS OF TWO WOODLOT COMPARTMENTS OF AFAKA, KADUNA, NIGERIA . FJS. 2023;3(3):183-191. Accessed September 11, 2025. http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/1556