Hydroponic assembly and wafer for use therein

Details Hydroponic assembly and wafer for use therein Hydroponic assembly and wafer for use therein

1979-07-20

1981-11-10

Bagwill, Robert E.

Plant husbandry

Water culture, apparatus or method

Porous support

47 56, 47 74, 47 77, 47 81, 47 84, A01G 3100

Patent

active

042990548

ABSTRACT:
A hydroponic assembly in the form of a tray having spaced through-openings serving as growing stations, the tray being supported by a trough containing a body of nutrient solution. At each growing station there is a wafer of dry growing medium having a seed-receiving surface on its top side and having a wick communicating with its underside and extending downwardly into the nutrient solution, the growing medium being of the type capable of expanding three-dimensionally into a porous root-supporting block as the solution is fed via the wick by capillary action. The land surface surrounding each opening is formed into a well or receptacle for maintaining the porous block seated and generally aligned with the opening. A transparent cover of hollow inverted shape defines an enclosed space developing high humidity for sprouting of the seeds and growth of the resulting seedlings, the cover, tray and trough being interfitted. The wick is preferably secured to the underside of the wafer by being tacked in place with a metal staple.

REFERENCES:
patent: 2189510 (1940-02-01), Swaney
patent: 2785969 (1957-03-01), Clawson
patent: 2993300 (1961-07-01), Sawyer
patent: 3018586 (1962-01-01), Farley
patent: 3199250 (1965-08-01), Sawyer
patent: 3298133 (1967-01-01), Courtright
patent: 3300895 (1967-01-01), Dosedla et al.
patent: 3375607 (1968-04-01), Melvold
patent: 3524279 (1970-08-01), Adams
patent: 3704545 (1972-12-01), Van Reisen
patent: 3938281 (1976-02-01), Ingerstedt
patent: 3961444 (1976-06-01), Skaife
patent: 3971160 (1976-07-01), Vajtay
patent: 4037360 (1977-07-01), Farnsworth
patent: 4080755 (1978-03-01), Crosby
Growing Plants without Soil, Matlin, 1940, Chem. Publ. Co., N. Y., pp. 16-17 cited.

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