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Q45 (CAPF/2013) Geography › Indian Physical Geography › Indian soil types Answer Verified

Which one among the following is not correct regarding the black soils of Peninsular India?

Result
Your answer: —  Â·  Correct: D
Explanation

Black soils, also known as Regur or 'tropical chernozems', are typical of the Deccan trap region and are formed from weathered Cretaceous lava [2]. These soils are characterized by a clayey texture and are highly retentive of moisture, swelling when wet and developing deep cracks when dry [1]. Chemically, black soils are rich in iron, lime, calcium, potassium, and magnesium [1]. However, they are consistently described as being deficient in nitrogen, phosphorus, and organic matter (humus) [3]. While they are famous for cotton cultivation, they are also fertile and well-suited for growing other crops like sugarcane, pulses, and citrus fruits [3]. Therefore, the statement claiming that black soils are rich in phosphorus and organic matter is incorrect, as these are the primary nutrients they lack.

Sources

  1. [1] Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 6: Soils > 3. Black or Regur Soils > p. 11
  2. [2] NCERT. (2022). Contemporary India II: Textbook in Geography for Class X (Revised ed.). NCERT. > Chapter 1: The Rise of Nationalism in Europe > Black Soil > p. 9
  3. [3] Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 6: Soils > Table 6.1 > p. 7
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