Abstract: A disk for the dosage and individual selection of seeds, having a determinate axial thickness delimited by two facing circular walls or surfaces, and comprising housing seatings made along the peripheral edge of one or both circular walls or surfaces and passage ways that open from the housing seatings toward the outside of the disk, for the passage of a stream of air. The passage ways are made on the axial thickness, in a radial direction with respect to the center of the disk.
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