The calcium carbonate content which is usually between 6 and 10%, has reached into the deeper layers, forming a zone of lime nodules (Kankar) at about _____ depth:
Correct answer: B. 90-120 cm
- A. 70-100 cm
- B. 90-120 cm
- C. 80-110cm
- D. None of these
Explanation
The described kankar or lime-nodule zone occurs at roughly 90–120 cm depth in these soils. Calcium carbonate accumulation at depth is a common feature of seasonally dry, calcareous soils.
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