Soil Erosion and Conservation

A Factor that affects the amount of soil erosion is

• amount of soil

• slope of the land

• amount of houses on the land

Which of the following can be a cause of soil erosion?

• Construction

• Drains

• Wind

Which type of erosion can break off soil particles causing it to be lost in run off

• Rill erosion

• Sheet erosion

• Splash erosion

Which of the following is a cultural practice that can conserve soil and water

• Terracing

• Ridging

• grassed drains

Contour cropping is the cultivation of crops vertically along a slope

• True

• False

The image seen is an example of a

• Terrace

• Contour cropping

• Grass barrier

Contour lines on a slope can be established using an A Frame

• TRUE

• FALSE

Mulching of soil can be done using a durable polythene material

• TRUE

• FALSE

Grass drains conserve soil and water by allowing run off to take place quickly whenever their is a precipitation event

• True

• False

Construction of flat strips of land along the contour of hillsides is known as

• Contour lines

• Terracing

• Contour cropping