Reducing Soil Erosion

Question 1

Long term crops

Answer 1

Crops that don’t require frequent replanting
—> less soil disturbance

Question 2

Zero tillage cultivation

Answer 2

Cultivation w/o soil disturbance reduces chance of erosion
—> e.g. direct drilling

Question 3

Windbreaks

Answer 3

Reduce velocity of wind

Question 4

Multi cropping

Answer 4

Growing multiple drops in same field
—> always one to protect soil

Question 5

Contour ploughing

Answer 5

Ploughing along contours at 90° to slope reduces erosion
—> water flow stopped
—> can’t carry soil particles