Planting – Liquid or gas soil treatment
Patent
1988-10-17
1990-02-27
DeMille, Danton D.
Planting
Liquid or gas soil treatment
111 93, A01C 504, A01C 2302
Patent
active
049036181
ABSTRACT:
An injection implement for introducing chemicals to subsurface areas which includes a ground penetrating bit and a fluid injector which are hydraulically operated so as to slectively penetrate the earth's surface and which also includes a chemical supply circuit and tamping mechanism for initially introducing chemcials to the injector under pressure and thereafter closing the opening in the earth's surface created by the penetrating bit and fluid injector so as to prevent the escape of chemicals to the atmosphere.
REFERENCES:
patent: 1871529 (1932-08-01), Karshner
patent: 2177792 (1939-10-01), Taylor
patent: 2439743 (1948-04-01), McEwen
patent: 2789522 (1957-04-01), Barton
patent: 3211114 (1965-10-01), Ucinhaska
patent: 3450073 (1969-06-01), Baker
patent: 3546886 (1970-12-01), Jones
patent: 4233915 (1980-11-01), Kordon
patent: 4278035 (1981-07-01), Pickett
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