Hydroponic system

Details Hydroponic system Hydroponic system

1988-12-06

1990-07-03

Murtagh, John E.

Plant husbandry

Greenhouse, apparatus or method

135 94, A01G 1304, A45F 16

Patent

active

049379690

ABSTRACT:
Two pipe-construction houses of a shed-roofed type, facing each other at their ridge sides with a gap provided between the ridges, are coupled with girders to make an integrated construction. The sides are covered with rollable ventilative sheets, and its roof is made of a soft plastic film span on a pipe-construction roof frame above a hard plastic sheet spread along the central part in the longitudinal direction of the roof. Cultivation beds of rust-prevention-coated thin steel sheet are hung on bed bearing fittings of a pipe structure. Nutrient solution is fed by an air lift pump under control by electric conductance thereof.

REFERENCES:
patent: 1022948 (1912-04-01), Jacobs
patent: 1912209 (1933-05-01), Lassen et al.
patent: 3165110 (1965-01-01), Brooks
patent: 3874144 (1975-04-01), Rowell
patent: 4486977 (1984-12-01), Edgecombe et al.
patent: 4493163 (1985-01-01), De Monbrison
patent: 4584791 (1986-04-01), Wolf
patent: 4603506 (1986-08-01), Powell, Jr.

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