Plant husbandry – Water culture – apparatus or method – Porous support
Patent
1985-02-08
1987-06-02
Hafer, Robert A.
Plant husbandry
Water culture, apparatus or method
Porous support
47 59, A01G 3100
Patent
active
046692177
ABSTRACT:
A modular plant propagation system and apparatus utilizes a first or lower reservoir containing a liquid plant nutrient in fluid communication with a second or upper reservoir in which a plant propagation support module utilizes a sterile, low water retention, linear foam plastic providing fluid communication between the exterior and interior of the second or upper reservoir. The nutrient fluid in the first nutrient reservoir is forced up into the second reservoir by compressed gas for predetermined cycles and periods of time to provide nutrients to the roots of the plants supported by the linear foam plant propagation support module. A computer is used to control air and root temperatures, humidity, nutrient quality, nutrient cycling rate and level in the first and second reservoirs and utilizes an image recognition apparatus to measure plant growth rate and produce maturity or ripeness to achieve optimum or maximum growth rate potential for the plant being propagated.
A self-containing nutrient plant propagation module utilizes a sterile, low water retention, linear foam plastic in which generally parallel, elongated interconnecting cellular channels provide fluid communication from the top of the module to the bottom of the module in which is uniformly disbursed a comminuted, water soluble, time release plant nutrient.
REFERENCES:
patent: 3456386 (1969-07-01), Holden
patent: 3877172 (1975-04-01), Schwab et al.
patent: 3877358 (1975-04-01), Karr
patent: 3929397 (1975-12-01), Aronson
patent: 4211034 (1980-07-01), Piesner
patent: 4255896 (1981-03-01), Carl
Aeroponics, Associates-1983 Ltd.
Hafer Robert A.
Lewis Bradley M.
Wasson George W.
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