Planting – Liquid or gas soil treatment – Hand manipulated
Patent
1985-10-28
1987-04-21
Feyrer, James R.
Planting
Liquid or gas soil treatment
Hand manipulated
A01C 2100
Patent
active
046587381
ABSTRACT:
Apparatus and method for breaking up soil and introducing a substrate into the broken up soil. The substrate is contained in a reservoir. A series of pneumatic cylinders acting in timed sequence function to first open a rapid-closing valve for introducing a blast of compressed air for forcing a probe into the ground for breaking up the soil. The rapid-closing valve is then closed, a pressure drop sensed, and an injection valve opened to pressurize the reservoir to inject substrate into the fissures formed during the break up of the soil. The substrate may comprise fertilizers, curing substances or filling materials which, together with the compressed air with which they are injected, serve to better condition the soil for cultivation. If desired, additional compressed air lines may communicate with the interior of the reservoir for ensuring a positive pressure in the reservoir to carry out substrate injection.
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patent: 4429647 (1984-02-01), Zinck
patent: 4566543 (1986-01-01), Kotani
patent: 4570553 (1986-02-01), Ito
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