The reactivity of solutes and their mobility in soils play a significant role in their leaching losses beyond the root zone, availability to uptake by plants and the potential contamination of groundwater. The ability to predict the mobility of dissolved chemicals in the soil is a prerequisite in minimizing leaching losses, managing land disposal of wastes and fertilizer applications. Such predictive capability requires knowledge of the physical, chemical as well as biological processes influencing solute behavior in the soil environment. In order to assess the potential mobility of reactive solutes in the soil, models that account for the reactivities or retention of solutes with the soil matrix are needed.
Solute retention and release reactions in the soil environment include ion exchange, adsorption/desorption, precipitation/dissolution, and other mechanisms such as chemical or biological transformations. Retention and release reactions are influenced by several soil properties,...
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Gupta, R.K. et al. (2008). Solute Sorption‐Desorption Kinetics. In: Chesworth, W. (eds) Encyclopedia of Soil Science. Encyclopedia of Earth Sciences Series. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-3995-9_569
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