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Arid Soil โ€“ Characteristics and Distribution

Arid soil (also called Desert soil) is found in regions that receive very low rainfall โ€” typically less than 250mm per year. In India, arid soils are mainly found in the Thar Desert region of Rajasthan and parts of Gujarat.

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What is arid soil?

Answer

Arid soil is sandy, dry soil found in desert regions. It has low humus, high salt content, and poor water retention. In India, it is mainly found in Rajasthan's Thar Desert.

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Key Facts

Found In: Rajasthan (Thar Desert), Gujarat (Kutch).

Colour: Sandy, red-brown.

Key Problem: Low humus, high salinity, poor water retention.

Solution: Canal irrigation (Indira Gandhi Canal).

Crops: Bajra, Jowar, Dates.

Characteristics of Arid Soil

  1. Colour: Sandy, red to brown.
  2. Texture: Coarse and sandy โ€” poor water retention.
  3. Humus Content: Very low (less decomposition in hot, dry conditions).
  4. Salt Content: High โ€” evaporation leaves salts near the surface (called kankar or calcium carbonate).
  5. Moisture: Very low.
  6. pH: Alkaline (basic) โ€” due to high mineral and salt content.
  7. Fertility: Naturally low, but can be improved with irrigation and fertilizers.

Distribution in India

  • Rajasthan: Thar Desert (Jaisalmer, Barmer, Bikaner).
  • Gujarat: Kutch and Saurashtra regions.
  • Punjab & Haryana: Small pockets near the Thar.

What Can Grow in Arid Soil?

With proper irrigation (canals โ€” like the Indira Gandhi Canal in Rajasthan), arid soils can support:

  • Bajra (Pearl Millet) โ€” drought-resistant crop.
  • Jowar (Sorghum).
  • Dates, Khejri trees (drought-resistant native plants).
  • Cotton in irrigated areas.

Questions and Answers

What is arid soil?+

Arid soil is sandy, dry soil found in desert regions. It has low humus, high salt content, and poor water retention. In India, it is mainly found in Rajasthan's Thar Desert.

Where is arid soil found in India?+

Arid soil is mainly found in the Thar Desert region of Rajasthan (Jaisalmer, Barmer) and parts of Gujarat (Kutch).

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