Question

Farmers can reduce soil erosion by

A. increasing irrigation.

B. contour plowing.

C. grazing cattle on the land.

D. plowing up roots.

Answer 1

Contour plowing (or contour ploughing) or contour farming is the farming practice of ploughing across a slope following its elevation contour lines. The rows form slow water run-off during rainstorms to prevent soil erosion and allow the water time to settle into the soil.

The other choices all cause erosion...

Answer 2

For future visitors....the correct answer is indeed B. contour plowing.