Complete Planting System

CornerStone ®, from Precision Planting, is a fully custom, factory-built planting system with integrated Precision Planting hardware. Gain unmatched planting performance through ease of in-field use, simple adjustments for changing planting conditions, and best-in-class durability and serviceability.

Precision Planting Corner Stone planting row unit

 

Precision Planting Corner Stone row unit gauge wheel with seed firmer

Custom, Factory-Built

CornerStone can optionally ship from the factory with many components already installed – both mechanical and electronic. Enjoy the convenience of a finished system with the ability to pick and choose which components you want.

 

Fully Integrated

The CornerStone Planting System comes standard with a load cell and electronics already installed, allowing for easy expansion of products. Special adapter plates are no longer needed.

Precision Planting Corner Stone row units mounted to a planter tool bar

 

Optimized for the Farmer

CornerStone’s design is optimized for performance, simple adjustment, ease of in-field use, maintenance, and wear. The hundreds of tweaks made during research and development give you a unique planting system that is unlike your current row unit.

close up view of the closing system on a Precision Planting Corner Stone planting row unit

 

Availability

Plains Grain and Agronomy will have a limited supply of Cornerstone for the 2025 planting season.