Gypsisols
(重定向自Gypsisol)

Gypsisols in the FAO World Reference Base for Soil Resources are soils with substantial secondary accumulation of gypsum (CaSO4.2H2O). They are found in the driest parts of the arid climate zone.In the USDA soil taxonomy they are classified as Gypsids (USDA Soil Taxonomy), in the Russian soil classification they are called Desert soils (USSR).