http://upload.wikimedia.org/wikipedi...10624.jpg?crop
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Ah, the joys of irrigation :)
Gives it a kind of retro-60's feel doesn't it..
*uses the pattern to make curtains*
Cool, see a lot of this in the deserts in Mid East areas too.
Center-pivot irrigation is too efficient not to use for large-scale irrigation. It also provides those nifty corners as the required 10% refuges for the non-GM portions of the crop.