Irrigation Test Area (IMAGE) Rutgers University Caption An irrigation test area at Konza Prairie Biological Station in Kansas. Water infiltrated at slower rates in soils that received increased irrigation for 25 years. Credit Alan Knapp Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.