Drone Image (IMAGE) American Society of Agronomy Caption A drone image shows an aerial view of an experimental plot planted with, from left, corn, soybeans and switchgrass. Credit Lance Conway. 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.