about half the irrigated acres in the 17 Western states use pressure (sprinkler and drip/trickle) systems, which are genrally more efficient than traditional gravity-fed systems, but this percentage varies by state
- by Glenn Schaible
- 4/8/2014
![Bar chart](https://ers.usda.gov/sites/default/files/_laserfiche/Charts/60372/researchchart5_400.gif)
about half the irrigated acres in the 17 Western states use pressure (sprinkler and drip/trickle) systems, which are genrally more efficient than traditional gravity-fed systems, but this percentage varies by state