meaning of Alkali soil

Alkali soil meaning in General Dictionary

Any one of varied grounds present arid and semiarid regions containing a silly level of soluble mineral salts which effloresce in the shape of a powder or crust usually white in dry weather following rains or irrigation the cornerstone of these salts is principally soda with a smaller amount of potash and often some lime and magnesia Two primary classes of alkali are generally distinguished black colored alkali which can be any alkaline carbonate but which virtually consists of salt carbonate sal soda that is very corrosive and destructive to vegetation and white alkali characterized by the current presence of salt sulphate Glaubers salt which can be less damaging to vegetation Black alkali is so called because liquid containing it dissolves humus forming a dark-colored answer which with regards to gathers in puddles and evaporates produces characteristic black colored places