10:00 am - 5:00 pm Field Day: The Iowa Nitrogen Initiative (INI) September 6, 2023 @ 10:00 am - 5:00 pm Field Day: The Iowa Nitrogen Initiative (INI) Wednesday, 6 September, begin at 10 a.m. Kluver ISU Research Farm, 1.5 miles west on 210th St from 500th St./Y Ave., Boone County