When the presswheel system for planter row units changed, and as planters have become wider and larger, manufacturers went away from using individual row presswheels to drive seed meters.

No-tillers definitely understand the value of leaving residue in their corn fields. They recognize that corn stalks, leaves, husks and cobs help reduce soil losses, provide cheap nutrients, trim greenhouse emission levels, boost moisture levels, help organic matter, improve soil quality, reduce compaction and increase crop productivity.