An agricultural extension officer in St. Vincent recommends that a hillside farmer plants vetiver grass in strips across the slope. What is the PRIMARY purpose of this recommendation?

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Question

An agricultural extension officer in St. Vincent recommends that a hillside farmer plants vetiver grass in strips across the slope. What is the PRIMARY purpose of this recommendation?

Accepted Answer

To reduce soil erosion through contour planting — Award 1 mark for identifying that vetiver grass strips planted along contours slow water runoff and trap sediment, reducing soil erosion on hillsides. A is incorrect — vetiver is not a nitrogen-fixing plant. C is incorrect — vetiver is not typically used as livestock feed. D is incorrect — vetiver does not eliminate irrigation needs.

Answer

To eliminate the need for irrigation

Answer

To reduce soil erosion through contour planting

Answer

To increase soil nitrogen content

Answer

To provide livestock feed during dry season

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