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Saline and Alkaline soils are most commonly found in:
Question

Saline and Alkaline soils are most commonly found in:

A.

the Deccan Plateau

B.

drought-prone areas

C.

the Deltas of Ganga and Godavari

D.

the Western Himalayas

Correct option is B

The correct answer is: (b) drought-prone areas

Explanation:

  • Saline and alkaline soils (also known as Reh, Usar, or Kallar) are often found in drought-prone and arid/semi-arid areas.

  • These soils form due to high evaporation, low rainfall, poor drainage, and accumulation of salts on the surface.

  • Over-irrigation with poor-quality water and capillary action also contribute to salinity in these regions.

Information Booster:

  • Common in states like Rajasthan, Haryana, Punjab, Uttar Pradesh, and parts of Maharashtra.

  • These soils have high pH and are deficient in nitrogen and calcium.

  • Gypsum is often used to reclaim alkaline soils.

  • Saline soils are white-crusted, while alkaline soils are hard and compact.

  • Affect crop productivity due to poor soil structure and water infiltration.

  • Irrigation management and organic matter addition improve soil quality.

Additional Information:

  • Deccan Plateau – Mostly has black and red soils, not known for salinity.

  • Deltas of Ganga and Godavari – Some salinity issues, but not the most common areas.

  • Western Himalayas – Mountain soils; not prone to salinity or alkalinity.

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