Which one of the following with regard to Aridisol, one of the soil orders, is not correct?

-Aridisol is generally observed in the arid and semi-arid areas of the world such as the deserts.
-These have a very low density of organic matters resulting in very less vegetative production.
-Lack of water is also very common in case of this type of soil.
-Due to the accumulation of carbonates, gypsum, the subsoil surfaces are cemented.