Competitive Adsorption Between Phosphate and Dissolved Organic Carbon in Iron-Rich Soils

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 Competitive adsorption between phosphate and dissolved organic carbon (DOC) in iron-rich soils plays a crucial role in regulating nutrient availability, soil fertility, and biogeochemical processes. In these environments, iron oxides provide abundant reactive surfaces that strongly bind both phosphate and DOC, often leading to competition for adsorption sites. This interaction influences phosphorus mobility, potentially reducing its availability for plant uptake when DOC occupies key sorption sites. Conversely, phosphate can displace weakly bound organic molecules, altering carbon stabilization and microbial activity. The extent of competition is governed by soil pH, redox conditions, DOC composition, and the crystallinity of iron minerals. Understanding these mechanisms is essential for improving phosphorus management in agricultural systems, predicting carbon cycling under changing environmental conditions, and developing strategies that enhance nutrient-use efficiency while preserving soil health. Emerging research highlights the need for integrated approaches that consider both phosphorus dynamics and organic matter interactions to optimize sustainable soil management in iron-rich landscapes.

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#IronRichSoils #PhosphateAdsorption #DissolvedOrganicCarbon #SoilChemistry #NutrientDynamics #PhosphorusManagement #SoilFertility #CarbonCycling #DOCInteractions #SoilBiogeochemistry #IronOxides #SoilHealth #SustainableAgriculture #NutrientAvailability #SoilManagement #SoilScienceResearch #EnvironmentalSoilScience #SoilProcesses #SoilOrganicMatter #SoilFunctioning




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