Seed spreader control device, seed spreader and single grain seeder

摘要

A sowing heart control apparatus for controlling a sowing heart with a sowing heart monitoring apparatus having an evaluation unit for determining the occupancy of sowing holes of a rotating seed disk with a seed in operation. The evaluation unit delivers an actual value of the occupancy of one or more sowing holes. The sowing heart control apparatus, depending on a deviation of the actual occupancy value from a predetermined setpoint of the occupancy of one or more sowing holes, controlling actuating elements which influence the occupancy. The invention also relates to a sowing heart and a single seed drill.