The content of soil complexes was positively related to combined humus and water-stable aggregates, so was the organomineral complexing degree.

• 红壤的养分因子中，全氮、全磷和有机质与土壤结合态腐殖质的相关性较好，而全钾和阳离子交换量与土壤结合态腐殖质的相关性不大。