Method and apparatus for hydroponic farming

Details Method and apparatus for hydroponic farming Method and apparatus for hydroponic farming

1982-11-30

1985-04-30

Hafer, Robert A.

Plant husbandry

Water culture, apparatus or method

Individual support

47 65, 47 86, 47 73, A01G 3100

Patent

active

045135339

ABSTRACT:
Plants are hydroponically grown on rafts that float on an aqueous nutrient medium. The rafts have arrays of openings that extend from their upper surface to their lower surface for receiving plant-containing collars that dip into the aqueous medium.
To provide efficient plant thinning without plant destruction, a fraction of the openings of the array of each raft is filled directly with plant-containing collars and the remaining plant collars are placed in a grid that overlies the raft and has openings aligned with a fraction of the openings of the array.

REFERENCES:
patent: 2189510 (1940-02-01), Swaney
patent: 3889416 (1975-06-01), Bergeron et al.
patent: 3927491 (1975-12-01), Farnsworth
patent: 4028847 (1977-06-01), Davis et al.
patent: 4034506 (1977-07-01), Kasahara et al.
patent: 4037360 (1977-07-01), Farnsworth
patent: 4312152 (1982-01-01), Drury et al.

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