Abstract: A rotary implement for harvester combine dispersal of plant cuttings, the implement incorporating a base plate; a drive shaft connected to the base plate; a first plurality of channel and passage port combinations extending from the base plate to an elevation, the first combinations including channels underlying passage port lower ends; a second plurality of channel passage port combinations extending radially outwardly from a radially outer end of one of combinations among the first plurality of channel and passage port combinations, the second combinations having a channel upper walls sloping upwardly from passage port lower ends to the elevation; and a plurality of radially outer channels extending radially outwardly from second combinations.