A stalk roll assembly for a corn harvester includes a first stalk roll havinga first elongatecylinder and rotates about a first axis, and a second stalk roll has a secondelongate cylinderrotates about a second axis. A third stalk roll has a third elongate cylinder,is positionedabove the first stalk roll and rotates about a third axis, and a fourth stalkroll has a fourthelongate cylinder, is positioned above the second stalk roll and rotates abouta fourth axis. Afirst plate is positioned between the first stalk roll and the third stalkroll, and a second plate ispositioned between the second stalk roll and the fourth stalk roll. The firstand second stalkrolls are spaced apart to separate corn ears from corn stalks.
