Corn Residue (IMAGE) American Society of Agronomy Caption Some farmers leave crop residue in the field after harvest and plant directly into it in the spring. This is called no-till. Credit Rachel Schutte 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.