FIELD: agriculture. SUBSTANCE: device for correction of temperature in trays of multitier narrow rack hydroponics installations has heating members and an IR-radiation sensor mounted for movement in the vertical plane and rotation around the vertical axis. A control cabinet provides a link between the sensor and the heating members mounted under the trays. EFFECT: more reliable temperature control. 2 dwg
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Authors
Dates
1995-10-20—Published
1993-02-19—Filed