Which of the following statements regarding Regur soil is/are correct

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Which of the following statements regarding Regur soil is/are correct ?

  • 1. It is a light coloured, clayey and fertile soil.
  • 2. It is developed on Deccan basaltic lava under hot and humid conditions.
  • 3. Cotton is extensively cultivated in this soil.

Select the answer using the code given below :

1 and 2
2 and 3
2 only
3 only
This question was previously asked in
UPSC NDA-1 – 2024
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Statement 3 is correct. Regur soil, also known as Black Cotton soil, is famous for its suitability for cotton cultivation due to its high clay content which allows it to retain moisture effectively. Statement 2 is also correct. Black soils are predominantly found in the Deccan Trap region and are formed by the weathering of basaltic lava rocks. While not exclusively under consistently humid conditions (alternating wet and dry periods are key for their cracking property), they develop under hot temperatures and seasonal rainfall characteristic of the region. Statement 1 is incorrect; Regur soils are dark grey to black in colour, not light-coloured.
Regur soils are characterized by their dark color, clayey texture, high moisture retention capacity, and tendency to develop deep cracks during dry periods. They are rich in minerals but can be deficient in nitrogen, phosphorus, and organic matter.
The parent material for Regur soils in the Deccan region is primarily basalt. The black color is attributed to compounds like titaniferous magnetite and often associated with humus accumulation in the presence of clays. While cotton is the most famous crop grown in these soils, they are also used for cultivating crops like jowar, wheat, sugarcane, and groundnuts.

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