photo 2 (IMAGE) Helmholtz Centre for Environmental Research - UFZ Caption 240 days degrading PBSA film in conventional farming (future climate) plot. Credit © Purahong/UFZ Usage Restrictions please note copyright License Original 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.