Robotic Weeder (3 of 3) (IMAGE) American Society of Agronomy Caption This robotic weeder is going through a tomato field, a crop the researchers are starting to work with as well. Credit Steven Fennimore 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.