Plant husbandry – Water culture – apparatus or method – Porous support
Patent
1975-05-07
1977-04-12
Burr, Edgar S.
Plant husbandry
Water culture, apparatus or method
Porous support
47 80, A01G 3100
Patent
active
040166775
ABSTRACT:
Disclosed is a portable hydroponic unit comprising a nutrient containing trough which supports an plant supporting aggregate filled tray. Liquid nutrient is carried to the aggregate through an upwardly directed conduit, with apertures in the aggregate, by air bubbles supplied at the conduit lower open end by an air source.
REFERENCES:
patent: 2306027 (1942-12-01), Swaney
Burr Edgar S.
Feyrer James R.
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