root drawing (IMAGE) Penn State Caption Cover crop root distribution patterns of four cover crop treatments are shown in this artist's conception, including (from left) triticale, crimson clover, canola and a five-species mixture. Credit Joseph Amsili, Penn State Usage Restrictions non commercial use 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.