An apparatus for harvesting agricultural row crops having stalks, comprising a frame having a front portion and a rear portion, the frame configured for traversing along a field of row crops; a hollow arm mounted adjacent an upper section of the front portion of the frame, the hollow arm comprising a first section disposed along an incline formed by the upper section of the front portion of the frame and the ground, the first section having a first end and a second end; an inlet positioned adjacent the first end of the first section of the hollow arm, the inlet for receiving stalks of row crops; device for cutting stalks of row crops, the device for cutting stalks mounted within the first section of the hollow arm; device for engaging and conveying the stalks along the hollow arm; and a biased guide assembly for accommodating stalks of varied diameters.