Method for applying NH3 in deep bands for agricultural crops...

Planting – Liquid or gas soil treatment – Treating substance includes ammonia

Reexamination Certificate

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Details

C111S123000

Reexamination Certificate

active

06484653

ABSTRACT:

BACKGROUND OF INVENTION
This invention relates to the accurate application of NH3 on agricultural fields.


REFERENCES:
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patent: 6269757 (2001-08-01), Kiest
patent: 6283049 (2001-09-01), Swanson
patent: 6360681 (2002-03-01), Swanson

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