The invention refers to a device at an agricultural machine (1) with at least one implement (3, 4, 5) for soil cultivation, a frame (6) and said implement carrying suspending devices (8, 29) between implement and frame, wherein one of the implements is a rotary cutter assembly (3) comprising at least one rotary cutter section (3a - d) with elongated knife blades (35, 35a) arranged mainly in the transverse direction of the machine and along a centre axle (10). A following implement is a soil-cultivating disc assembly (4), the inclined discs (4a) of which have edges that are adapted to create furrows (45, 46) in the ground, mainly perpendicular to the radial outer edges or cutting surfaces (37) of the knife blades (35).
