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Greenhouse

Greenhouse - Term Definition analog controls proportioning...

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Term: analog controls Definition: proportioning thermostats to run amplifiers and electronic circuitry. Term: computer controls Definition: microprocessors to make complex judgments based on information from a number of sensors. Term: computerized environmental management systems Definition: accurate and can control all the automated systems together. Term: energy curtains Definition: automated systems using fabrics that can insulate a greenhouse at night and shade the crops during the day. Term: environmental controls Definition: devices used to turn greenhouse systems on and off, including heating and cooling systems.
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Term: fan-and-pad cooling system Definition: based on evaporation of water Term: fog system Definition: an atomizer that produces water vapor. Term: hot-water heating system Definition: involves heating water in a boiler and pumping the hot water through pipes located in the greenhouse. Term: infrared heating system Definition: produces heat energy that is absorbed by the plants, media, benches, and floor. Term: polyethylene tubes Definition: attached to the units help distribute the airflow evenly.
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Term: short-day curtains Definition: similar to energy curtains. Term: steam heating system Definition: involves a boiler that brings water to a boil and pipes through which steam flows in the greenhouse.
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