AR GH Man Unit 4 Word Scramble
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| Term | Definition |
| capillary mat system | a form of sub-irrigation in which potted plants are set on a moist synthetic mat and water moves upward through the drain holes into the growing medium by wick action |
| energy curtains | automated system utilizing fabrics to insulate the greenhouse at night |
| fan-and-pad cooling system | system in which large exhaust fans draw air through a moistened cellulose pad mounted on the opposite end of the structure |
| fan-tube ventilation | fans bring in small amounts of cool outside air and mix it with the warm air |
| fluorescent lighting | cooler and more efficient than incandescent lights; have a wide range of wavelengths and long life |
| fertilizer injector system | equipment used for the irrigation of plant with exact proportions of fertilizers obtained from a concentrate of liquid fertilizer |
| fog-evaporative cooling system | fog is generated inside; as the minute fog droplets evaporate, heat is absorbed |
| forced air-heaters | localized heater units that force hot air directly into a duct system |
| high intensity discharge (HID) lighting system | efficient and effective supplement lighting system |
| hose watering | manual watering of plants |
| hot water heat | water is heated in a boiler and pumped through pipes |
| incandescent lighting | inefficient and gives off primarily infra-red wavelengths; often used for photoperiod control |
| infrared radiant heaters | individual heater units that produce infrared ratiation |
| intermittent mist system | watering method where tiny water droplets are delivered periodically |
| natural ventilation | air is exchanged through open ridge and side vents and controlled by thermostats |
| overhead watering | water is applied over the canopy of the plants with spray mozzles |
| perimeter irrigation | watering around the outside of a flower bed |
| shade curtains | system utilizing fabrics to block light from reaching crops |
| short-day curtains | automated system utilizing dark fabrics to control light for photoperiod control |
| soaker hose system | water is applied to the growing medium by slowly saturating the medium |
| steam heat | water heated to boiling and steam travels through pipes in the grreenhouse |
| tube irrigation | water is carried to each pot by a microtube; foliage is not wet in this process |
Created by:
Kim Moody
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