A system is provided for use with a seed-delivering agricultural implement that can use look-ahead predictions and controls to coordinate seed type delivery switchover in a manner that minimizes mixing different seed types during the switchover. The system can include a control system that uses a prescription map to look ahead to coordinate out-of-implement or to-ground seed type delivery switch-over events of seeding and/or planting implements with the implements crossing boundaries between different variety zones of an agricultural field.
