Compaction (IMAGE) American Society of Agronomy Caption Aerial photo of wheel-traffic compaction on early-season crop stands in western Minnesota. Credit Jodi DeJong-Hughes Usage Restrictions For use with this 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.