Where is center pivot irrigation used and how many acres does it cover?

pivot

This is also referred to as the water wheel and circle irrigation in which crops are watered by an equipment that rotates on a pivot fixed at the center. As the equipment moves in a circular direction, it is capable of irrigating the land around it through sprinklers. Electric motors are used to propel the center pivots. It belongs to the form of overhead irrigation.

The length of a center pivot is less than 1600 ft, typically around 400m or ¼ mile and can cover a radius of 125 acres of land.