Hydroponic apparatus

Details Hydroponic apparatus Hydroponic apparatus

1992-02-28

1994-02-22

Friedman, Carl D.

Plant husbandry

Receptacle for growing medium

Irrigator

47 62, 47 59, A01G 3100

Patent

active

052876527

ABSTRACT:
A hydroponic apparatus invention provides a modular, self-contained hydroponic growing structure having an extendable/retractable, generally semi-cylindrical cover portion enabling control of light and/or complete light deprivation to the growing plants, and further includes mechanisms for control of water and feeding.

REFERENCES:
patent: 4037359 (1977-07-01), Peng et al.
patent: 4166341 (1979-09-01), Vestergaard
patent: 4189867 (1980-02-01), Schneck
patent: 4198783 (1980-04-01), Leroux
patent: 4242835 (1981-01-01), Mondragon Sorribes
patent: 4294037 (1981-10-01), Mosse et al.
patent: 4328641 (1982-05-01), Tesch
patent: 4371995 (1983-02-01), Donhauser

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