Legume Cover Crop (IMAGE) American Society of Agronomy Caption The legume Crotalaria spectabilis, here at the beginning of the flowering period, was used as a cover crop. Credit Adalton M. Fernandes 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.