sodium adsorption ratio, SAR
Portion of soluble sodium ions in relation to the soluble calcium and magnesium ions in the soil water extract (can be used to predict the exchangeable sodium percentage).
Authorization Path: 2.4.5.2.17.0
Portion of soluble sodium ions in relation to the soluble calcium and magnesium ions in the soil water extract (can be used to predict the exchangeable sodium percentage).
Authorization Path: 2.4.5.2.17.0