Contour bunding is a soil and water conservation technique that helps to reduce soil erosion, conserve water, and improve crop yields.

Contour bunding helps to reduce soil erosion by slowing down the flow of water, trapping sediment, and increasing infiltration.

Contour bunding helps to conserve water by reducing runoff, increasing infiltration, and improving soil structure.

Contour bunding helps to improve crop yields by reducing soil erosion, conserving water, and improving soil fertility.

The main factors to consider when designing a contour bunding system are the slope of the land, the soil type, and the rainfall intensity.

The recommended spacing between contour bunds is 2-3 meters.

The recommended height of a contour bund is 0.5-0.7 meters.

The recommended width of a contour bund is 0.9-1.1 meters.

Some of the benefits of contour bunding include reduced soil erosion, conserved water, and improved crop yields.

Some of the challenges of contour bunding include high cost of construction, difficulty in maintaining, and reduced access to fields.

Contour bunding is most commonly practiced in sloping areas, arid and semi-arid areas, and areas with high rainfall intensity.

Some of the alternative soil and water conservation techniques include terracing, strip cropping, and mulching.

Farmers can overcome the challenges of contour bunding by using government subsidies, forming cooperatives, and using labor-saving technologies.

Contour bunding plays a vital role in sustainable agriculture by helping to reduce soil erosion, conserve water, and improve soil fertility.

Contour bunding can be integrated with other soil and water conservation practices such as terraces, strip cropping, and mulching to enhance their effectiveness.