US Patent 9320192 Synchronization of a twin row planting system

There is disclosed a single and twin and multiple row planting system configured to be adapted to a planter including a motor drive seed dispenser that is controlled by a planting controller that deposits seeds with a predetermined seed spacing that accommodates differing individual planter row speeds and terrain. In particular, a distance-based seed tagging system and method are used to achieve the desired seed spacing and seed stagger configurations.