Faba Roots and Nodules (IMAGE) American Society of Agronomy Caption Faba bean roots display the nodules that make the faba bean such a powerful nitrogen-fixing cover crop. Credit Masoud Hashemi 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.