Hydroponic plant collars

Details Hydroponic plant collars Hydroponic plant collars

1985-04-09

1986-11-18

Hafer, Robert A.

Plant husbandry

Water culture, apparatus or method

Individual support

47 77, A01G 3100

Patent

active

046227750

ABSTRACT:
Collars, for supporting plants by the base of their stems with the major portion of the root structure extending downward into an aqueous hydroponic medium, have upstanding sidewalls and bottom end structures that support the plant while leaving at least about 75 percent of the bottom area open for the roots to extend through. The collars are very small having a volume less than about one tenth that which would normally be considered adequate to conventionally culture plants in a solid support medium. Vertical foils extend radially inward from the sidewall to prevent the roots, in their early stages of development, from spiraling around the sidewall.

REFERENCES:
patent: 2189510 (1940-02-01), Swaney
patent: 3467600 (1969-09-01), Adams et al.
patent: 3927491 (1975-12-01), Farnsworth
patent: 4006558 (1977-02-01), Neddo et al.
patent: 4037360 (1977-07-01), Farnsworth
patent: 4075785 (1978-02-01), Jones
patent: 4161844 (1979-07-01), Hentschel et al.
patent: 4192097 (1980-03-01), Smith
patent: 4279101 (1981-07-01), Leroux

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