Plant husbandry – Water culture – apparatus or method – Nutrient recirculation system
Patent
1989-03-10
1991-04-23
Raduazo, Henry E.
Plant husbandry
Water culture, apparatus or method
Nutrient recirculation system
47 58, 47 18, A01G 3100
Patent
active
050090291
ABSTRACT:
A method and apparatus for growing plants by controlling growing temperatures in conventional and hydroponic planting systems. Plants placed in a plant growing medium are contained in metal growing trays placed in contact with a closed metal piping system and disposed externally to and structurally supporting the growing trays and containing a temperature-controlled liquid, thereby providing conductive heat exchange with the plant growing trays and plants. The plants are also supplied with liquid nutrients and artificial light conductive to plant growth.
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Raduazo Henry E.
Thomashower William J.
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