The invention relates to a single-grain sowing device (1) comprising the following features: a drum (10), which drum (10) can be rotated about an axis of rotation (22) a cavity (18) formed in the drum (10), wherein an end face of the cavity (18) is delimited by a sowing disc (14), in which multiple sowing holes (26) are arranged on a notional circular path (24) at a distance to each other, a body (34) is arranged in the cavity (18), which can be rotated about an axis (32) arranged at a distance and parallel to the axis of rotation (22), with one part (34s) of the surface thereof resting against the sowing disc (14) such that, when the sowing disc (14) rotates, same temporarily seals a respective passed sowing hole (26) on the inside, wherein the body (34) can be rolled out on an outer casing surface (12) surrounding the cavity (18), and a pressure spring (51), wherein the pressure spring presses the body (34) against the casing surface (12).
