BIOCHAR 3 (IMAGE) Rice University Caption Rice University alumna Jennifer Kroeger led a study that shows how America's farmers could save money on irrigation through the use of biochar. Credit Courtesy of Jennifer Kroeger/Rice University Usage Restrictions None 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.