A seeding group, comprising: a distributor for releasing seeds to fall on a terrain, comprising a rotary batching disc provided with a plurality of seatings for seeds, release of a seed from a corresponding seating occurring when the seating runs through a predetermined circular sector; a first sensor; a second sensor, an actuator, which draws the batching disc in rotation; a control unit which receives the signal emitted by the first sensor and a signal emitted by the second sensor and commands the actuator to draw in rotation of the batching disc for regulating release of the seeds on the terrain; the control unit implementing a feedback system in which an amount proportional to the signal received from the first sensor is compared with an amount proportional to the signal received from the second sensor with the aim of controlling the angular position assumed by the batching disc; characterised in that: the first sensor is a position sensor that detects a position of the seeding group with respect to a reference point that is fixed in space; the second sensor is a position sensor for detecting an angular position of the batching disc; and in which the control unit comprises: a first block, that receives the signal in output from the first sensor and emits in output a signal that is proportional to the reduction ratio desired; and a second block for comparison, which receives in input the output signal from the first block and the signal coming from the second sensor, possibly amplified; the second block for comparison carrying out a difference between the signal in output from the first block and the signal proportional to the signal in output from the second sensor, the outcome of this difference being used to pilot the actuator, with a proportionality factor. a distributor for releasing seeds to fall on a terrain, comprising a rotary batching disc provided with a plurality of seatings for seeds, release of a seed from a corresponding seating occurring when the seating runs through a predetermined circular sector; a first sensor; a second sensor, an actuator, which draws the batching disc in rotation; a control unit which receives the signal emitted by the first sensor and a signal emitted by the second sensor and commands the actuator to draw in rotation of the batching disc for regulating release of the seeds on the terrain; the control unit implementing a feedback system in which an amount proportional to the signal received from the first sensor is compared with an amount proportional to the signal received from the second sensor with the aim of controlling the angular position assumed by the batching disc; characterised in that: the first sensor is a position sensor that detects a position of the seeding group with respect to a reference point that is fixed in space; the second sensor is a position sensor for detecting an angular position of the batching disc; and in which the control unit comprises: a first block, that receives the signal in output from the first sensor and emits in output a signal that is proportional to the reduction ratio desired; and a second block for comparison, which receives in input the output signal from the first block and the signal coming from the second sensor, possibly amplified; the second block for comparison carrying out a difference between the signal in output from the first block and the signal proportional to the signal in output from the second sensor, the outcome of this difference being used to pilot the actuator, with a proportionality factor. the first sensor is a position sensor that detects a position of the seeding group with respect to a reference point that is fixed in space; the second sensor is a position sensor for detecting an angular position of the batching disc; and in which the control unit comprises: a first block, that receives the signal in output from the first sensor and emits in output a signal that is proportional to the reduction ratio desired; and a second block for comparison, which receives in input the output signal from the first block and the signal coming from the second sensor, possibly amplified; the second block for comparison carrying out a difference between the signal in output from the first block and the signal proportional to the signal in output from the second sensor, the outcome of this difference being used to pilot the actuator, with a proportionality factor.