A deck plate extension for a row unit of an agricultural harvester. The deck plate extension configured to attach to the return side of the row unit side thereby preventing a kernel crop from dropping to the ground during harvesting. The deck plate extension is further provided with a kernel channel configured to direct the kernel crop along the return side of the row unit side to the harvest side of the row unit side. The deck plate extension may be provided as part of a deck plate of a row unit side or may be provided as a second plate added to the row unit side. The deck plate extension is configured to be added as original equipment and as a retrofit to existing row units.
