Technique for loosening, aerating and fertilizing soil...

A - Human Necessities – 01 – C

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47/10, 111/45

A01C 15/02 (2006.01)

Patent

CA 1286162

ABSTRACT OF THE DISCLOSURE A hand-held apparatus is connected by means of an air hose to a high pressure compressor and air tank unit, and is connected by means of a hose to a conventional water faucet. The device includes a bin for storing granular fertilizer and an air valve connecting the high pressure air supply into a rigid outer tube that is inserted into a pre-drilled hole in the ground. Four holes are provided in the wall of the outer tube near the bottom thereof. A plug in the bottom of the outer tube has a conical upper surface that deflects compressed air sideways out of the four holes to create small crevices in the ground at the level of the four holes. An operator stands on a horizontal ground plate attached to the outer tube to seal the hole, and opens the air valve to force high pressure air into the pre- drilled hole. The compressed air rapidly lifts up the apparatus and the operator standing thereon. As the compressed air then escapes, the apparatus and person standing on the ground plate falls back to reseal the hole, producing an effective repetitive hammering action that causes the compressed air to more effectively loosen the soil. The fertilizer in the bin then is released into the outer tube. The high pressure air valve is re- opened. The high pressure air forces the granular fertilizer out through the four holes and into the previously created crevices. Pressurized water then is conducted through a water valve to an inner tube concentric with the outer tube, forcing the water into the crevices, dissolving the fertilizer.

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