Multiple choice

There is a kankar layer in the lower horizons of the arid soils. Which of the following statements is/are correct about this layer?

a. Lower horizons of the soil are occupied by ‘kankar’ layers because of the increasing calcium content downwards. b. It restricts the infiltration of water, and when irrigation is made available, the soil moisture is readily available for a sustainable plant growth. c. It restricts the infiltration of water, and even when irrigation is made available, the soil remains infertile.

  1. a and b

  2. a and c

  3. a only

  4. b only

  5. c only
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct answer as both these statements are correct. Lower horizons of the soil are occupied by ‘kankar’ layers because of the increasing calcium content downwards. It restricts the infiltration of water, and when irrigation is made available, the soil moisture is readily available for a sustainable plant growth.

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