OLD MILL seeder will seed plug-flats as well as cell packs and open-flats with nearly any seed automatically. No vacuum pick up , unit uses the same vibratory feeder and optical counting technique of the Old Mill Seed Counters to accurately seed with nearly any seed from corn, sorghum, canola, and beans to small seeds such as petunia or tree seeds, and will operate down to the last seed without error. Includes a transport conveyor and covering unit if needed. Read more here!