Disc furrow opener and method for single pass placement of...

Details Disc furrow opener and method for single pass placement of... Disc furrow opener and method for single pass placement of...

2008-02-26

2009-08-04

Novosad, Christopher J. (Department: 3641)

Planting

Liquid or gas soil treatment

Drilling machines

C111S123000, C111S187000, C111S188000

Reexamination Certificate

active

07568438

ABSTRACT:
A disc furrow opener and method for single pass placement of seed and fertilizer in agricultural planting uses a scraper to both scrape the disc and form a seed shelf in the furrow formed thereby and delivers seed onto the seed shelf and fertilizer into a bottom portion of the open furrow formed by the disc below the seed shelf. Placement of seed and fertilizer is achievable in a single pass over the area to be seeded without need for a second opening implement rearward of the disc and without being limited to the use of liquid fertilizer.

REFERENCES:
patent: 4674747 (1987-06-01), Mazzocco et al.
patent: 7152539 (2006-12-01), Swanson
patent: 2125533 (1995-12-01), None

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