Leaves and Pellets (image) University of California - Berkeley Share Print E-Mail Caption Leaves on forest floor are shown soon after the addition of calcium pellets. Credit Hubbard Brook Research Foundation Usage Restrictions All rights reserved. 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.