Testing Urban Soil in Lab (IMAGE) American Society of Agronomy Caption DePaul University student Katy Rico tests soil from an empty lot on Chicago's South Side. Poor quality urban soils require remediation to improve functioning and ecosystem services. Credit Photo credit James Montgomery. Usage Restrictions Please use with story only. 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.