Q. Which of the following statements about black soil are correct?- They are rich in lime, iron, nitrogen, calcium, and magnesium.
- They are deficient in phosphorus, potassium, and aluminium.
- They are very fertile and have high moisture storage capacity.
Choose the correct answer using the codes given below:
Answer:
Only 3
Notes: Black soils are highly fertile and have high moisture storage capacity. They are rich in lime, iron, calcium, potassium, aluminium, and magnesium but deficient in nitrogen and phosphorus, not potassium or aluminium. Only statement 3 is correct. Hence, the correct answer is only 3.