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Greenhouse Management. Greenhouse Systems. List the different types of heating systems used in a greenhouse. Describe the advantages and disadvantages of each type of heating system. Define terms associated with greenhouse heating systems. Objectives. Forced-air heaters

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Greenhouse Systems


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    1. Greenhouse Management Greenhouse Systems

    2. List the different types of heating systems used in a greenhouse. • Describe the advantages and disadvantages of each type of heating system. • Define terms associated with greenhouse heating systems. Objectives

    3. Forced-air heaters Infrared radiant heaters Hot water heat Steam heat Greenhouse effect Solar energy Terms

    4. Too much in the summer, not enough in the winter. Greenhouse effect- the way in which a greenhouse collects and stores heat from the sun. Radiant energy warms up the plants, soil, and other objects. Greenhouses are solar collectors.

    5. Why is type of fuel important? • Cost of energy • Wood • Electricity • Coal • Gas Types of Fuel

    6. Hot water heating system • Water is heated in a boiler and pumped through pipes • Effective when there is a number of small compartments to be heated to different temperatures • 2 different types: gravity flow return system & motorized accelerated systems • Steam heating system • Water heated to a boil and steam runs through the pipes • Closed circuit system For Glass Houses

    7. Hot air furnaces • Centrally located with air deflectors • Infrared radiant heating system • Gas-fired burners heat air that is distributed through pipes to the plants • Forced-air heaters • Localized heater units that force hot air directly into a duct system • Uses combination of electricity and propane For Plastic-Covered Greenhouses

    8. List the different types of heating systems used in a greenhouse. • Describe the advantages and disadvantages of each type of heating system. • Define terms associated with greenhouse heating systems. Review

    9. What is the greenhouse effect? What types of heating systems are used in glass greenhouses? What are the types of heating systems used in plastic greenhouses? Review