Attrition (IMAGE) American Society of Agronomy Caption During the growing season in soybean fields, there is attrition - or unexplained plant death - each year. This is important to account for when calculating seeding rate. Credit Corteva Agriscience 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.