Inicio > Term: sodium adsorption ratio (SAR)
sodium adsorption ratio (SAR)
A relation between soluble sodium and soluble divalent cations which can be used to predict the exchangeable sodium fraction of soil equilibrated with a given solution. It is defined as follows, where concentrations, denoted by brackets, are expressed in mmoles per liter:
SAR = (sodium)/(calcium + magnesium)1/2
- Parte del discurso: noun
- Industria/ámbito: Ciencias de la Tierra
- Categoría: Ciencia del suelo
- Company: Soil Science Society of America
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Creador
- Bob Adams
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