White alkali

white alkali

n
1. (Elements & Compounds) refined sodium carbonate
2. (Physical Geography) any of several mineral salts, esp sodium sulphate, sodium chloride, and magnesium sulphate, that often appear on the surface of soils as a whitish layer in dry conditions

White alkali

Alkaline soil caused by too high a concentration of the salts magnesium sulfate, sodium sulfate, and sodium chloride.