Visitors attend a Haug Implement Co. John Deere technology expo and field demo day Tuesday in Willmar. Visitors were able to look at John Deere equipment, sit in on a technology presentation and view field demonstrations. Much of the new equipment takes advantage of real-time kinetics, a system that combines data from global positioning satellites and a network of base stations to achieve "sub-inch accuracy," Haug sales representative Dave Dallman said. Such precise information allows farmers to plant, s...