A corn header for a combine harvester capable of lifting stalks that have fallen sideways in a row is provided. The corn header includes a frame, a plurality of row units and a plurality of row dividers for guiding crop plants toward the row units. The frame is mounted to a forward end of the combine harvester. The plurality of row units extends forward from the frame. Each row divider is connected to and extends forward of at least one row unit, and includes a conveyor connected to a lateral side of the row divider for the purpose of lifting and propelling crop plants into the corn header. In a preferred embodiment, the conveyor is an auger including a helical flight having a non-circular profile or a plurality of notches to increase its ability to lift and propel crop plants into the corn header.
