Question

characteristics of desert or arid soil

Answer 1

hey friend here is ur answer
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Aridisols (or desert soils) are a soil order in USA soil taxonomy.Aridisols (from the Latin aridus, for “dry”, and solum) form in an arid or semi-arid climate. Aridisols dominate the deserts and xeric shrublands, which occupy about one third of the Earth's land surface. Aridisols have a very low concentration of organic matter, reflecting the paucity of vegetative production on these dry soils. Water deficiency is the major defining characteristic of aridisols. Also required is sufficient age to exhibit sub-soil weathering and development. Limited leaching in aridisols often results in one or more subsurface soil horizons in which suspended or dissolved minerals have been deposited: silicate clays, sodium, calcium carbonate, gypsum or soluble salts. These subsoil horizons can also be cemented by carbonates, gypsum or silica. Accumulation of salts on the surface can result in salinization.

Answer 2

Characteristics of Arid soil are:-

• Arid soil range from red to brown colour.

• They are generally sandy in texture and saline in nature.

• Due to high temperature, evaporation is faster and the soil lacks humus & moisture.

• The lower horizons of the soil are occupied by "kankar" because of the increasing calcium content downwards.

• The Kankar ayer formation in the bottom Horizons restrict the infiltration of water.

Hope it helps.