Steel in the Field: A Farmer’s Guide to Weed Management Tools

	Agronomic Row Crops Rotary Hoe Accessories Bearing Protector and Residue-Knife Kit Overview: An insert extends the wheel axle, moving each wheel closer to the adjoining arm where two stationary sickle-bar mower blades shred residue brought up by wheels. Design Features: Allows hoeing in heavier residue. Price: $25 per wheel unit. Source: 21, 36   Replacement Tooth Tips Overview: Weld-on “spoons” restore aggressive soil penetration after original teeth wear down. Design Features: Rolled steel: 0.75" wide, 0.12" thick, and 2.37" long. Weld freehand or with jigs. Price: $1.75 per spoon ($28 per wheel). Production welding jig, $100. Source: 86 Farmer: Spray       Extender Arms (for Deere Rotary Hoes) Overview: Doubles rocker-arm length to improve residue flow, allowing operation in heavier residue. Design Features: Sets wheels so that wheels self-clean. Price: $14.56 per arm. Source: 21, 86     Next section Agronomic Tool Index