The Cresent Ridge wind farm, managed by Vestas Wind Systems A/S, stands as a John Deere & Co. tractor pulls a Kinze Corp. planter during corn planting in a field in Tiskilwa, Illinois, U.S., on Tuesday, April 26, 2016. The U.S. Department of Agriculture (USDA) is scheduled to release a monthly report on farm prices on April 29. Photographer: Daniel Acker/Bloomberg via Getty Images