Method and apparatus for hydroponic gardening

Plant husbandry – Receptacle for growing medium – Specific container material

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47 64, 47 18, A01G 3102

Patent

active

049321587

ABSTRACT:
Plants are hydroponically grown in a cellular water table provided with divergent grow lines along which plants are moved in plant holders. The grow lines are arranged to provide spacing between adjacent rows of plants as plants mature. Within each grow line is a variable pitch screw arrangement which provides for increased spacing between adjacent plants in a grow line as the plants mature. Four-way spacing is provided for both the leaves of the plants and their roots as the plants are suspended over the cellular water table. Maintenance of the system is faciliated by a crawl space beneath the water table which allows access to removable bottom panels of the individual cells within the water table. Plants are cultivated and serviced from the top by a man carrier system. CO.sub.2 enriched air and/or pesticides are supplied directly to the undersides of the plants by a conduit system provided within each grow line. Nutrient enriched water is provided to the roots of the plants by a closed loop fluid circulation system.

REFERENCES:
patent: 3402506 (1968-09-01), Renfro
patent: 3868787 (1975-03-01), Wong
patent: 3931695 (1976-01-01), Widmayer
patent: 4028847 (1977-06-01), Davis et al.
patent: 4037360 (1977-07-01), Farnsworth
patent: 4166341 (1979-09-01), Vestergaard
patent: 4216618 (1980-08-01), Haub
patent: 4337986 (1982-07-01), Haub
patent: 4486977 (1984-12-01), Edgecombe et al.
patent: 4493163 (1985-01-01), De Monbrison
patent: 4780989 (1988-11-01), Mears et al.

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