Importance

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Abstract

A one-pass primary tillage machine provides a combination of shallow and deep tillage, residue cutting and mixing, and clod size reduction and leveling of the field to prepare the field for the next planting season. A front group of flat coulters slice through the residue to reduce its size, followed by deep shanks that improve the tilth of the soil to a point below the intended planting depth. Following the shanks, a group of concavo-convex conditioning discs mix the residue with the soil, reduce clod size, and level the field. A residue managing unit in front of the coulters has individual floating residue wheels that reorient lengthwise stalks into transverse positions for severance by the coulters.

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First Claim