Which of the following statement is INCORRECT regarding Desert soil?

🔑Key Points:
-Desert soil is mostly sandy soil.
-Desert soils are found in low rainfall areas.
-Desert covers 20% to 30 % of the earth's land surface.
-Desert soils tend to have an upper layer including deposits of Salt, Calcite, and Gypsum and are low in organic matters.
-Desert soils are infertile due to their low nitrogen and organic content and high content of phosphate and calcium carbonate.
-Due to the absence of water or rainfall in the desert moisture in the soils are low.

🔴Additional Information:
-Modern-day desertification is a huge problem the world is facing along with global warming.
-Desertification is the process of degradation of the land area caused by human-induced activities and climatic variations.
-Desertification results in 
-Increase in infertility of soil
-Reduction in soil cover
-Lack of water, and
-Soil salinization in irrigated areas.