Protect Soil from Erosion (IMAGE) American Society of Agronomy Caption A perennial grass cover planted alongside maize is part of research to find the best way to protect fields from erosion. Credit Photo credit Cynthia Bartel. 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.