A harvester and a crop accumulator combination. The harvester is configured to transfer a harvested crop to the crop accumulator. The crop accumulator comprises at least one actuator to selectively discharge the harvested crops onto a field. A GPS unit is configured with at least one virtual trip line. An ECU is in communication with the GPS unit. The ECU is configured to selectively command the actuator of the crop accumulator to discharge harvested crop onto the field when the ECU receives a signal from the GPS unit when at least one of the virtual trip line is being approached, the virtual trip line is being crossed, and the virtual trip line has been crossed.