Herbaceous Energy Crops (image) University of Illinois College of Agricultural, Consumer and Environmental Sciences Share Print E-Mail Caption Mixed herbaceous energy crops grown on Conservation Reserve Program land did not yield as well as other production systems. Credit Lauren Quinn Usage Restrictions Credit Lauren Quinn, University of Illinois. Share Print E-Mail 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.