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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.
Flood irrigation, the oldest and most common type, is typically unevenly distributed, as parts of a field may receive excess water in order to deliver sufficient quantities to other parts. Overhead irrigation, using center-pivot or lateral-moving sprinklers, gives a much more equal and controlled distribution pattern.
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 ...
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The first use of sprinklers by farmers was some form of home and golf course type sprinklers. These ad hoc systems, while doing the job of the buried pipes and fixed sprinkler heads, interfered with cultivation and were expensive to maintain. Center-pivot irrigation was invented in 1940 [3] by farmer Frank Zybach, who lived in Strasburg ...
Keyline design is a system of principles and techniques of developing rural and urban landscapes to optimize use of their water resources. Australian farmer and engineer P. A. Yeomans invented and developed Keyline design in his books The Keyline Plan, The Challenge of Landscape, Water For Every Farm, and The City Forest.
The head can pivot on a bearing above the base. The force of the outgoing water flings the sprinkler arm on a circular motion. The arm, which is weighted for a particular speed of operation, is pushed back in to the stream of water by a return-spring. At the end of its travel it impacts a part of the sprinkler-head structure.
This page was last edited on 8 August 2022, at 00:16 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
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