Cation exchange capacity (CEC) on clay/organic-matter surfaces buffers pH and nutrient availability; redox chemistry (Eh–pH diagrams) governs speciation of Fe, Mn, N, S. Organic matter humification and mineral weathering close the…
Cation exchange capacity (CEC) on clay/organic-matter surfaces buffers pH and nutrient availability; redox chemistry (Eh–pH diagrams) governs speciation of Fe, Mn, N, S. Organic matter humification and mineral weathering close the…