alkali soil

noun

1. soil that has either a high degree of alkalinity or a high percentage of sodium, or both, so that most crops cannot be grown in it profitably.

alkali soil

noun

1. a soil that gives a pH reaction of 8.5 or above, found esp in dry areas where the soluble salts, esp of sodium, have not been leached away but have accumulated in the B horizon of the soil profile

Word History and Origins

Origin of alkali soil¹

First recorded in 1910–15