Installation for cultivation of crops on water

Details Installation for cultivation of crops on water Installation for cultivation of crops on water

1980-02-14

1981-09-22

Bratlie, Steven A.

Plant husbandry

Receptacle for growing medium

Method of using a plant receptacle

47 27, 47 60, 47 65, 47 79, A01G 902

Patent

active

042902290

ABSTRACT:
An installation for the cultivation of crops on water includes a box-like floatable outer housing and an inner cultivation housing supported therewithin and forming a double-walled bottom and double-wall sidewalls therewith. A transparent plate glass roof surmounts the outer housing and is in air-tight relationship therewith. A drip plate of plate glass and having a plurality of holes extending therethrough is positioned over the cultivation housing. The bottom of the installation and the region between the double-wall sidewalls are in communications with the interior of the cultivation housing through the holes in the drip plate. A plurality of ventilation tubes are mounted in the cultivation housing and extend through the drip plate and roof for communication with the outside air. One set of ventilation tubes extends beyond the roof to an elevation higher than that of a second set of the ventilation tubes. A lower portion of each ventilation tube opens into the interior of the cultivation housing. A quantity of soil is contained in the lower section of the cultivation housing and a quantity of water is contained in the double-wall bottom.

REFERENCES:
patent: 2813063 (1957-11-01), Bjorksten
patent: 3095670 (1963-07-01), Raab
patent: 4125963 (1978-11-01), Johnson
patent: 4178715 (1979-12-01), Greenbaum

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