Agricultural implement for delivering ammonia gas to soil

Details Agricultural implement for delivering ammonia gas to soil Agricultural implement for delivering ammonia gas to soil

2011-01-18

2011-01-18

Novosad, Christopher J. (Department: 3641)

Planting

Liquid or gas soil treatment

Treating substance includes ammonia

C111S121000, C111S168000, C111S194000

Reexamination Certificate

active

07870827

ABSTRACT:
An agricultural implement for delivering ammonia gas to soil includes a soil cutting device for forming a furrow in the soil to be fertilized, a closing device trailing the cutting device for closing the furrow, and an ammonia gas delivery tube extending downwardly into the furrow between the cutting device and the closing device, and then extending rearwardly along the furrow to the closing device for delivering ammonia gas onto at least one wall of the furrow rearwardly of the trailing end of the cutting device and of the leading end of the closing device. A discharge nozzle is mounted on the trailing end of the ammonia gas delivery tube for discharging ammonia gas onto the bottom and/or sides of the furrow. The ammonia gas delivery tube and the discharge nozzle may be made of non-metallic material, such as polymeric material, to reduce or avoid freezing of soil and moisture on the implement.

REFERENCES:
patent: 5852982 (1998-12-01), Peter
patent: 6067918 (2000-05-01), Kirby
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patent: 6997400 (2006-02-01), Hanna et al.
patent: 7290491 (2007-11-01), Summach et al.
patent: 7523709 (2009-04-01), Kiest
patent: 2006/0102058 (2006-05-01), Swanson
patent: 2007/0044694 (2007-03-01), Martin
patent: 2008/0236461 (2008-10-01), Sauder et al.

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