Question:

The percentage of land lost and not suitable for cultivation under contour bunds is approximately

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Contour bunds conserve soil and water, but some cultivable land is lost under the bund structure.
  • \(5%\)
  • \(10%\)
  • \(15%\)
  • \(20%\)
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The Correct Option is B

Solution and Explanation

Concept:
Contour bunding is a soil and water conservation measure in which bunds are constructed along contour lines.

Step 1:
Contour bunds reduce runoff velocity.

Step 2:
They help increase infiltration and reduce soil erosion.

Step 3:
However, the land occupied by bunds cannot be used for crop cultivation.

Step 4:
The approximate land loss under contour bunding is generally taken as: \[ 10% \] \[ \boxed{10%} \]
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