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HYPHEN
CIDE DICTIONARY
alkali bee | alkali flat | alkali grass | alkali metal | alkali poisoning | alkali soil | alkali waste | alkalic | alkalifiable | alkalify | alkalimeter

alkali soil

RELATED WORDS :


 : 
Noun Phrase
 : 
al=ka=li soil

CIDE DICTIONARY

alkali soil,  
     Any one of various soils found in arid and semiarid regions, containing an unusual amount of soluble mineral salts which effloresce in the form of a powder or crust (usually white) in dry weather following rains or irrigation. The basis of these salts is mainly soda with a smaller amount of potash, and usually a little lime and magnesia. Two main classes of alkali are commonly distinguished: black alkali, which may be any alkaline carbonate, but which practically consists of sodium carbonate (sal soda), which is highly corrosive and destructive to vegetation; and white alkali, characterized by the presence of sodium sulphate (Glauber's salt), which is less injurious to vegetation. Black alkali is so called because water containing it dissolves humus, forming a dark-colored solution which, when it collects in puddles and evaporates, produces characteristic black spots.  [Webster 1913 Suppl.]

For further exploring for "alkali soil" in Webster Dictionary Online


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