Home > Fertilizer Knives

Fertilizer Knives

Nichols fertilizer knives are fabricated from ultra wear-resistant chromium carbide edges and tube protectors robotically welded to a hardened steel backbone to create an unsurpassed performance combination. Available in forward penetrating and back swept designs, all are designed to minimize disturbance and seal effectively.

Parabolic Knives

Nichols Parabolic Fertilizer Knives are the premium selection for unsurpassed performance. This knife really puts the metal out front with a leading point designed to penetrate well ahead of the shank. Class leading sealing capability and long life components make this a winner.

Winged Knives

Nichols Winged Fertilizer Knives are the premium selection for unsurpassed performance. This knife really puts the metal out front with a leading point designed to penetrate well ahead of the shank. Fertilizer is injected to each side taking advantage of subsoil shattering action from the wings. Class leading sealing capability and long life components make this a winner.

Coulter Knives; 13"

Coulter Trailing Fertilizer Knives are designed to work directly behind a coulter blade. This knife’s narrow profile and clean construction compliment high wear features to provide value and performance.

Coulter Knives; 16"

Backswept Knives

Nichols Backswept Fertilizer Knives are available in two curved sizes as well as a straight profile knife. Backswept knives minimize residue buildup on the shank and offer a great alternative in looser soils.

Coulter Knives for DMI

Designed specifically to mount on DMI applicators, the stainless steel tube routing is optimized for easy access to knife adjustments. Chromium carbide nose and tube protector mean long life and good sealing.

Quick Change Fertilizer Knives

These items can be used on a chisel plow or field cultivator conversion for fertilizer placement. Use with Nichols Quick Change Brackets bolted on a C-shank.

Fertilizer Knives for Chisel Plows

Use this heavy-duty knife on your chisel plow machine conversion. It features a chromium carbide nose for extremely long wear life coupled with a hardened steel backbone. The tube is formed to allow access to mounting hardware behind the shank bar.