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

0 0

Creador

  • Bob Adams
  •  (Gold) 1649 puntos
  • 100% positive feedback
© 2024 CSOFT International, Ltd.