ASSESSING THE FITNESS AND VALIDITY FOR DEPTH-DISTRIBUTION PATTERNS OF AVAILABLE MICRONUTRIENTS (Fe and Mn) OVER A TOPOSEQUENCE AT LAFIA NORTH-CENTRAL NIGERIA: APPLICATION OF EQUAL-AREA SPLINES. FJS [Internet]. 2020 Apr. 13 [cited 2025 Sep. 11];4(1):43-54. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/17