A seed disk (48) for an air pressure seed meter (26) comprising: a circular member (50) having a first side (52), a second side (54) and a peripheral edge (56), the circular member (50) adapted for rotation about an axis (60), characterized in that the peripheral edge (56) is in communication with a source of seeds and a plurality of passages (65) in said circular member (50) extending from apertures (64) in the peripheral edge (56) of the circular member (50) to openings (66) in the first side (52) of the disk (48), wherein the peripheral edge (56) is inclined relative to the axis of rotation (60). Furthermore, the invention relates to a pressure seed meter (26) comprising such a seed disc (48) and to a seeding machine comprising said seed meter (26).