Hydroponics unit and system with automatic gas fed feeding

Details Hydroponics unit and system with automatic gas fed feeding Hydroponics unit and system with automatic gas fed feeding

1976-06-07

1979-04-17

Eickholt, E. H.

Plant husbandry

Receptacle for growing medium

Irrigator

A01G 2700

Patent

active

041493400

ABSTRACT:
Gas-fed feeding techniques which may be automated are disclosed for bottom fed - bottom drained growing systems. The feeding is done by displacing the nutrient by moving a surface by inflation or by introducing pressurized gas into a space that was formerly occupied by the nutrient. A means of passively and/or actively segregating the components of the growing medium by dividers, with regard to function and/or reuse, is also disclosed. A means of permitting light, to enhance the germination and/or growth of certain seed or plants, is also disclosed. A means of draining off, or adding nutrient to the unit without disturbing the plant, is also disclosed. A means of attaching artificial lights or plant growing aids to the unit is also disclosed. A means of providing additional plant support via the roots is also disclosed.
The automation of feeding by control of inflation by means of time, humidity, pressure and/or height of nutrient in the unit is also disclosed. The flexible use of modules for germination, growth and feeding is also disclosed. The proper use of one or more of these inventions may lead to flexibility and better use of space and equipment.

REFERENCES:
patent: 2249197 (1941-07-01), Brundin
patent: 2278991 (1942-04-01), Hasslacher et al.
patent: 2648164 (1953-08-01), Bruch
patent: 2870574 (1959-01-01), Sheridan
patent: 2938495 (1960-05-01), Hinton
patent: 2983076 (1961-05-01), Merrill
patent: 3451162 (1969-06-01), Rasmussen

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