Choose all the answers that apply.
Which of the following increases erosion?
clearing forests
leaving fields unplanted
careless farming
contour plowing
crop rotation
--
Contour plowing occurs when:
farmers plow fields in horizontal rows
farmers stop plowing fields
farmers plow fields around hills
farmers plow fields around brooks and steams
Choose all the answers that apply.
Which of the following increases erosion?
clearing forests
leaving fields unplanted
careless farming
contour plowing
crop rotation
--
Contour plowing occurs when:
farmers plow fields in horizontal rows
farmers stop plowing fields
farmers plow fields around hills
farmers plow fields around brooks and steams