Participants at the Precision Dairy Farming Conference and Expo in Lexington, Kentucky toured the University of Kentucky Coldstream Dairy to learn about their current research in precision dairy technology on Wednesday afternoon, May 31, 2017

(left to right) Farm manager Richard Coloin spoke with owner Bob Wade in the tractor cab while making adjustments to the corn planter in Sonora, Ky.

Precision Agriculture technology with GPS allows farmers to plant corn at night.