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A satellite image of circular fields characteristic of center pivot irrigation, Kansas Farmland with circular pivot irrigation. Center-pivot irrigation (sometimes called central pivot irrigation), also called water-wheel and circle irrigation, is a method of crop irrigation in which equipment rotates around a pivot and crops are watered with sprinklers.
Valmont Industries, Inc. is a large, publicly held American manufacturer of Valley center pivot and linear irrigation equipment, windmill support structures, lighting and traffic poles and steel utility poles. Their corporate office is in Omaha, Nebraska. Their plant and aviation department is in Valley, Nebraska.
A small center pivot system from beginning to end Rotator style pivot applicator sprinkler Center pivot with drop sprinklers Wheel line irrigation system in Idaho, US, 2001 Center pivot irrigation. Center pivot irrigation is a form of sprinkler irrigation utilising several segments of pipe (usually galvanized steel or aluminium) joined and ...
Center-pivot irrigation was invented in 1940 [3] by farmer Frank Zybach, who lived in Strasburg, Colorado. In the 1950s, Stout-Wyss Irrigation System, a firm based in Portland, Oregon, developed a rolling pipe type irrigation system for farms that has become the most popular type for farmers irrigating large fields.
The center-pivot irrigation system is considered to be a highly efficient system which helps conserve water. However, by 2013, as the water consumption efficiency of the center-pivot irrigator improved over the years, farmers chose to plant more intensively, irrigate more land, and grow thirstier crops rather than reduce water consumption--an ...
By the late 20th century, center-pivot irrigation systems were in use through much of the county. [2] By 2000, the Pumpkin Creek basin had approximately 500 registered irrigation wells. [9] Groundwater pumping combined with drought conditions ended surface flow in Pumpkin Creek by 1993, and significantly reduced the valley's groundwater levels ...
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