Glossary:Vertisol

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Vertisol
A soil that contains a high proportion a clay called montmorillonite. This clay swells as it gets wet and absorbs water and shrinks as it dries. Beause of this the soils are continually being mixed forming deep A horizons, and the surfaces rises and lowers forming a topography of hummocks known as Gilgai.

Related Words:Clay, Gilgai, Horizon

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