Bryan

Physics

20 February, 12:16

After harvesting their main crops, such as corn and wheat, many farmers plant a second crop called a cover crop. This cover crop grows during the fall and winter and is then plowed over in the spring. What is the main purpose of a cover crop?

A.

to get rid of excess seed rather than storing during the winter

B.

to provide food and shelter for birds and animals during the winter

C.

to prevent water runoff into other parts of the farmers' field

D.

to prevent erosion of the topsoil by wind and water