Northwestern Minnesota is dominated by rectangular agricultural fields growing crops such as wheat, soybeans, corn, hay, alfalfa, flax, barley, sugar beets and potatoes. In the true-color image above, taken Sept. 10, 2009 by the Landsat satellite, most fields are green with mature crops. Harvested fields are brown and tan.
Farmers in the area use false-color satellite images, like the infrared view of the same area below, to assess the health of their fields and keep an eye on flooding, hail-damage, pesticides and weeds.
via wired.com
