Minimum till seeding knife

Details Minimum till seeding knife Minimum till seeding knife

2005-10-11

2005-10-11

Novosad, Christopher J. (Department: 3671)

Planting

Liquid or gas soil treatment

C111S119000, C111S123000, C111S156000, C111S174000

Reexamination Certificate

active

06952998

ABSTRACT:
The present invention relates to a knife for and a method of zero till or minimum till seeding and fertilizing. The knife is particularly adpated for dray land conditions producing minimum soil disturbance and very shallow operation. The knife has a high penetration angle preferably of 45 degrees which permits the blade to enter high trash surface cover with little tendency to plug due to trash accumulation. The blade has a forward angle of attack, the lower cutting edge advancing before the upper cutting edge, serving to make a clean cut in the soil surface without accumulating trash. Seed and/or fertilizer conduits are attached to or incorporated in the trailing face of the blade on which the outlets may be spaced for controlled placement of the materials. By the method a furrow is cut having a substantial transverse component in an operation with a substantial forward components. A preferred embodiment includes a horizontal extension blade for cutting a horizontal swath at a shallow depth trough weed growth. Conduits may be secured to the extension to allow greater separation and control of material placement. The knives may be arranged in overlapping configuration on the draw bar to effect weed cutting, seeding and fertilizing of a complete width of soil in a single pass.

REFERENCES:
patent: 2703044 (1955-03-01), Adair
patent: 5163780 (1992-11-01), Fincham
patent: 5605196 (1997-02-01), Grimm et al.
patent: 2105050 (1994-11-01), None
patent: 2099555 (1995-01-01), None
patent: 1574412 (1980-09-01), None

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