Editing Center-pivot irrigation (section)

==Linear or lateral move irrigation machines==
[[File:Center Pivot.jpg|thumb|left|260px|A small center pivot system from beginning to end]]

Irrigation equipment can also be configured to move in a straight line, where it is termed a ''lateral move'', ''linear move'', ''wheel move'' or ''side-roll'' irrigation system.<ref>{{cite web |url=http://www.bae.ncsu.edu/programs/extension/evans/irr-cal/ag-553-3.pdf |title=Center Pivot and Linear Move Irrigation System |publisher=North Carolina Cooperative Extension Service, North Carolina State University |date=March 1997 |access-date=June 6, 2012 |author=Evans, R.O. |display-authors=etal |archive-url=https://web.archive.org/web/20121021220051/http://www.bae.ncsu.edu/programs/extension/evans/irr-cal/ag-553-3.pdf |archive-date=October 21, 2012 |url-status=dead }}</ref><ref>{{cite web |url=http://extension.usu.edu/files/publications/publication/engr_bie_wm_08.pdf|title=Wheelmove Sprinkler Irrigation Operation and Management}}</ref>  In these systems the water is supplied by an irrigation channel running the length of the field. The channel is positioned either at one side or in a line through the center. The motor and pump equipment are mounted on a cart by the supply channel. The cart travels with the machine.

Farmers might choose lateral-move irrigation to keep existing rectangular fields. This can help them convert from furrow irrigation. Lateral-move irrigation is far less common, relies on more complex guidance systems, and requires additional management compared to center pivot irrigation. Lateral-move irrigation is common in Australia. There, systems are usually between 500 and 1,000 meters long.
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