AKPAN, Mary; AFU, Sunday; OLIM, Denis. SPATIAL VARIABILITY OF SOIL pH AND CEC USING PREDICTIVE MODELS IN THE MOUNTAINOUS REGION OF OBANLIKU, CROSS RIVER STATE, NIGERIA. Journal Of Agriculture, Forestry & Environment , [S. l.], v. 10, n. 1, p. 77–96, 2026. Disponível em: https://jafe.net.ng/index.php/home/article/view/304. Acesso em: 9 jun. 2026.