Event is free. 9 am-1 pm MT. (Note: Tribune is on Mountain Time.) Field tours start at 9 a.m. MT, featuring:  Dryland corn planting date x maturity Tillage vs. no-till in dryland systems Dryland crop rotations Weed control in fallow and row crop Indoor seminar topics begin at 11:15 a.m. MT, featuring: Economics of dryland tillage systems Managing iron chlorosis in grain ...