Overhead Irrigation A pressurized irrigation system where water is distributed through pipes to the field and applied through a variety of sprinkler heads or nozzles. Pressure is used to spread water droplets above the crop canopy to simulate rainfall. These systems include portable and traveling guns, solid or permanent fixtures (overhead or pop ups), center pivots, and periodic moving systems. The efficiencies of these sprinkler systems range from 15 to 85 percent, however, the average of 70 percent is commonly used. Also referred to as Sprinkler Irrigation.
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Author of the Water Words Dictionary source of text: Gary A. Horton
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