Fertilizer Knives

NH3 is delivered through a nylon insert, keeping moist soil from freezing and building up on this non-freeze fertiliser knife.

NH3 is delivered through a nylon insert, keping moist soil from freezing and building up on this non-freeze fertiliser knife.

NH3 is delivered through a nylon insert, keeping moist soil from freezing and building up on this non-freeze fertiliser knife.

Fertiliser knife to fit Vaderstad Seed Hawk. Body and fertiliser tube are narrower with additional hard-surfacing. Your choice of replaceable carbide tips.

Fertiliser knife to fit Vaderstad Seed Hawk. Body and fertiliser tube are narrower with additional hard-surfacing. Your choice of replaceable carbide tips.

This Speed-Loc™ fertiliser knife is designed for heavy-duty use with cold-flow NH3 kits. Welded carbide tip is better in rocky conditions.

This Speed-Loc™ Fertiliser Knife works with aqua NH3 and liquid phosphorus. Welded tip makes this opener better in rocky conditions.

Speed-Loc™ fertiliser knife designed for use with Aqua NH3 and Liquid Phos. The welded tip is better for rocky conditions.

Speed-Loc™ fertiliser knife is designed for use with Granular fertiliser and either cold-flow or hot-gas NH3 kits. Welded tip included.

Speed-Loc™ fertiliser knife designed for use with Granular fertiliser and either cold-flow or hot-gas NH3 kits. Welded carbide tip included.

This Speed-Loc™ fertiliser knife is better for air seeders and air drills. The welded tip is better for rocky conditions.

This Speed-Loc™ fertiliser knife is better for cultivators and chisel plows. The welded tip is better for rocky conditions.

Speed-Loc™ fertiliser knife is designed for use with Cold-flow NH3. Recommended on light duty units with light trips.

This durable opener can be used with anhydrous or liquid applications.

This is the most durable opener we provide for fertiliser placement, used with hot-gas anhydrous.

This is the most durable opener that we provide for fertiliser placement. Tips sold separately.

This fertiliser knife fits 47° C-Shanks, it is designed to fit the Bourgault Shanks better than the 600 series.

47° and 50° C-Shank Fertiliser knife, can be converted to a pressurized NH3 or liquid system. Not recommended for rocky areas.