If you've ever flown over the American interior, you've doubtless seen large swathes of land dotted in green circles. What's ...

Center-pivot irrigation sprinklers rotate around a water supply to create a circular field of crops. Courtesy U.S. Geological Survey 1952: Frank Zybach gets a patent for the center-pivot irrigator.

In 2013, this part of Bahia State in Brazil included just a single center-pivot irrigation circle. In this photograph taken in 2015 by an astronaut on the space station, new circleseach about 2 kil… ...

Nelson Irrigation continues to take its proprietary Rotator® technology to new levels. The R55A End of Pivot Sprinkler is changing the way farmers irrigate with center pivots. ... circle, multi ...

In a striking image recently shared by theEuropean Space Agency (ESA), a landscape of Saudi Arabia’s barren desert reveals ...

With center-pivot irrigation, a Nebraska businessman helped transform the rural landscape into a patchwork of circular fields. His charity supports research into agricultural policy.

A typical mid-elevation spray application pivot irrigation rig in action. It can be retrofitted to a low elevation spray application, saving water, energy and improving crops. ARCO, Idaho — An ...

Center-pivot irrigation is gaining popularity as a primary water-distribution method used on South Carolina farms and Clemson Extension has a new program to help producers get the most out of ...

Photo: Center-pivot irrigation sprinklers rotate around a water supply to create a circular field of crops. (Courtesy U.S. Geological Survey) This article first appeared on Wired.com July 22, 2008.