A group for cleaning and making a furrow in a ground, comprising: a frame suitable to be connected to a driving unit a rotary grooving disc (41) provided with grooves wherein the grooving disc (41) is articulated to the frame in a mobile fashion perpendicularly to the ground with respect to the frame by means of a resilient articulated group (44) provided with mutually parallel articulation axes and wherein the grooving disc (41) is pivotingly associated to the resilient articulation group about an oscilllation axis (422) perpendicular to the articulation axes of the resilient group.
