Method and apparatus for increasing the available volume for a n

Details Method and apparatus for increasing the available volume for a n Method and apparatus for increasing the available volume for a n

1975-03-26

1977-07-26

Bagwill, Robert E.

Plant husbandry

Water culture, apparatus or method

47 66, A01G 3102

Patent

active

040373630

ABSTRACT:
Method and apparatus which increases the available volume for a nutritive solution contained in a hydroponic receptacle.
Hollow shells are placed on the bottom of the receptacle reaching a level just above the maximum level of the nutritive solution, the hollow shells being then covered with a layer of substratum. The hollow shells are made of a material without capillarity for preventing the evaporation of the nutritive solution, the shells being, for instance, cylindrically shaped, thin-walled and having openings at each end thereof.
Due to the low rate of evaporation, several days or even weeks can go by before the refilling; it is possible to install hydroponic receptacles outdoors.

REFERENCES:
patent: 3250606 (1966-05-01), Murray
patent: 3323253 (1967-06-01), Robins
patent: 3805445 (1974-04-01), Baumann

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