Which of the following statements regarding soil is/are correct?
1. Alluvial soils are rich in nitrogen content.
2. Black soils are rich in iron and lime but deficient in nitrogen.
3. Laterite soils are rich in iron and aluminium but deficient in nitrogen and potassium.
Select the correct answer using the code given below.
- A.1 and 2 only
- B.3 only
- C.2 and 3 only
- D.1, 2 and 3
Show answer
Statement 1 is wrong: alluvial soils, the most widespread soils of India, are generally rich in potash and lime but poor in nitrogen and phosphorus, which is why farmers on the northern plains add nitrogen fertiliser.
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