Abstract: An improved pneumatic material dispenser of the type wherein material is dropped from the periphery of a rotating element into adjacent axially spaced material collecting passages of a collector and an air supply propels the material through discharge tubes attached to the collector to remote locations, the improvement being a plenum chamber which receives the air supply and feeds it to the collecting passages through air passages at a point remote from the material entry thereinto.

Abstract: A fluent material dispenser, preferably for use in conjunction with a planter, is provided with a precision metering device having buckets which pick up material and dump it into a collector. The collector preferably has discrete axially spaced openings which communicate with separate discharge tubes to deposit material in remote locations. The axially elongated buckets are mounted on a rotor and dump at a substantially uniform rate per degree of rotor rotation, preferably having a radially inner flat wall and an arcuate radially outer wall disposed at a uniform radius about the leading edge of the inner wall. Preferably, the rotor is enclosed in a pressurized housing and air pressure is utilized to deliver the material through the discharge tubes, the air supply and rotor drive being operatively connected with sources as available on the associated planter.