Biochar Applied to Slope (IMAGE) American Society of Agronomy Caption Biochar is being applied to disturbed, mine-affected south facing slopes. 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.