Research on Farm Cover Crops (IMAGE) University of Delaware Caption From left, University of Delaware researchers Joshua Duke, Amy Shober and Emerson Paradee are studying programs to provide economic incentives for cover crop adoption. Credit Christy Mannering/University of Delaware Usage Restrictions Image must include credit to University of Delaware. 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.