Biochar Application (IMAGE) American Society of Agronomy Caption Biochar totes are in the foreground with biochar application in the background. Biochar is being applied to a slope on the right. Credit Andrew Harley 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.