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Greenhouse Functions & Maintenance. Horticulture II: 7.01-9.02. Greenhouse effect. The way greenhouses collect and store heat from the sun . Radiant energy warms the greenhouse and its contents .
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GreenhouseFunctions & Maintenance Horticulture II: 7.01-9.02
Greenhouse effect The way greenhouses collect and store heat from the sun. Radiant energy warms the greenhouse and its contents. Greenhouses lose heat through the plastic, glass, etc. and additional heat has to be provided especially in winter.
So Why Have a Greenhouse? To provide a protective environment for crop production.
Greenhouse Types Gable Roof can be brought together by ridges
Temperature Controlling • Heat & Air • Heat is the 2nd highest expense afterlabor Controls • Thermostat • Aspirated Thermostat • Thermistor • Exhaust Fan • Cool Cell • Cool Cell Louver • Sump Pump/Tank • Heater • Roof Vent
Light Controlling • Amount of light and darkness Controls • Photocell • Shade/Black Cloth • Light Bulbs • Timer
Moisture Controlling • Watering & Humidity Controls • Centralized Control System • Drip irrigation • Humidistat/Humidifier • Misters/Sprinklers
8.01-Maintenance Items Temperature Heaters-adequate clean fuel Thermostats working properly Fans, Fan motors, belts, etc-work Cooling pads-adequate water and clean Shade cloth-attached and is at right percentage Light Shade Cloth-attached or removed Light bulbs-all work Photocells & Timers-work correctly
8.01-Maintenance Items Moisture Humidistat & Fogging/Mist Systems-work properly Water lines & faucets-no leaks and adequate source of high quality and clean water Sanitation Diseases, Weeds & Insects-controlled by prevention methods
General MaintenanceWhat Goes Where? Structural Controls & Equipment Utilities