Functional Partitioning of Cation Exchange Capacity in Highly Weathered Tropical Soils of Southwestern Nigeria. - Oyebiyi, Oluwatoyosi Oyetola; Olajide, Oluwatosin Mayowa; Ojetade, Julius Olayinka; Adewumi, Opeyemi Ayomide; Muda, Sikiru Adekoya; Amusan, Adeagbo Alani; Sen, Kalyani (Applied & Environmental Soil Science, 2026)