| 摘要 |
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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