Abstract: In a rotary chopper associated with a harvester combine and having a chopper rotor and counter-knives cooperating therewith in the housing of the rotary chopper, a fan is provided for supply of supplementary air at an excess pressure to the housing in order to increase the amount and the rate of the air exiting the rotary chopper and thus to improve the spreading of the comminuted material onto the ground.
Abstract: A corn slitter comprising a central extent formed of a rigid material having a curved surface; a handle extending rearwardly from the rear end of the central component; an upstanding plate at an angle with respect to the central extent, the front end being formed with an angled leading edge; and a plurality of teeth formed in a triangular configuration through the cutting of a V-shaped slit near the leading edge of the central component and bending it in a direction opposite from the direction of bend of the external member.