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 provided with grooves； wherein the grooving disc 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 provided with mutually parallel articulation axes, and wherein the resilient articulated group comprises at least one plurality of arms articulated with respect to mutually parallel articulation axes, among which there is at least one resiliently flexibly yieldable arm.
