contour farming 2 Alternating strips of alfalfa with corn on the contour protects this crop field in northeast Iowa from soil erosion. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Like this:Like Loading...
Alternating strips of alfalfa with corn on the contour protects this crop field in northeast Iowa from soil erosion.
