Hydroponic tray and method of manufacture

Details Hydroponic tray and method of manufacture Hydroponic tray and method of manufacture

1981-09-08

1982-10-26

Eickholt, E. H.

Plant husbandry

Process

47 63, A01G 3102

Patent

active

043554849

ABSTRACT:
A floating hydroponic apparatus is provided along with a hydroponic system using the hydroponic apparatus. The floating hydroponic apparatus has a floating hydroponic tray having a floating base portion and a tray portion. The floating base portion is made of a lightweight cement and has floating perimeter walls along with a polymer screen attached between the floating base portion and the tray portion. The floating base portion and tray portion form a plurality of openings therethrough for the passage of liquid. An alkaline resistant coating is applied to at least a portion of the tray. The tray portion is filled with a soil mixture supported by the polymer screen so that plants can be grown in the soil in the trays while the trays are floating upon a liquid reservoir. The trays can be used in conjunction with a hydroponic system having pools with specially designed lightweight concrete walls forming a habitat for marine life.

REFERENCES:
patent: 2531562 (1950-11-01), Eve
patent: 3911514 (1975-10-01), Ito
patent: 4034506 (1977-07-01), Kasahara et al.
patent: 4037360 (1977-07-01), Farnsworth
patent: 4074997 (1978-02-01), Cohen
patent: 4257191 (1981-03-01), Holter et al.
patent: 4312152 (1982-01-01), Drury et al.

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