Planting – Liquid or gas soil treatment – Hand manipulated
Patent
1976-09-29
1978-03-21
Burr, Edgar S.
Planting
Liquid or gas soil treatment
Hand manipulated
111 86, 172724, A01C 2302
Patent
active
040796809
ABSTRACT:
An apparatus is disclosed for injecting fertilizer into the soil. A soil working device includes a sweep with a nose portion that moves through the soil as the sweep is moved forward, a pair of trailing sections that diverge from the nose portion, and an upstanding mounting portion for mounting the sweep to a shank extending from the frame of an agricultural implement. A pair of wings extend rearwardly from the trailing sections of the sweep so as to be at opposite sides of a channel formed by the sweep. Each wing has a front portion that flares outwardly from the trailing section of the sweep and a rear portion that is inclined inwardly from the back of the front portion. Fertilizer is injected into the channel formed by the sweep and soil engaged by the wings is urged toward the channel to cover the same and enhance fertilizer retention in the channel. The apparatus is particularly useful for injecting anhydrous ammonia in liquid form into soil contact with the anhydrous ammonia being maintained under sufficient pressure to remain in a liquid state until brought into soil contact in the channel after which the anhydrous ammonia changes to a gaseous state.
REFERENCES:
patent: 430016 (1890-06-01), Harvey
patent: 1102230 (1914-07-01), Bates
patent: 2558154 (1951-06-01), Porter
patent: 2842077 (1958-07-01), Morrison
patent: 3038424 (1962-06-01), Johnson
patent: 3152649 (1964-10-01), Arnold
patent: 3919951 (1975-11-01), Williams et al.
Burr Edgar S.
Feyrer James R.
Nesbitt John R.
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