Center Pivot Irrigation

  • These probably aren't the crop circles you're used to from science fiction
  • Zoom out, look around. What is this? Where is it?
  • If this image interests you, explore and learn more.


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Center Pivot Irrigation

In very dry lands, farmers use pivot irrigation.  They drill a hole for water, then spin a dripping pipe around to give water to the crops.  Hence the circular shape.

This site is near Tabuk, Saudi Arabia.  The photo is more recent, and shows more crop circles.

  • How far down do these pipes go to get the water?
  • Is there enough water underground to water the crops?
  • What percentage of crops in the world use pivot irrigation?