Photo of Sprayer Used in Research (image) University of Tennessee Institute of Agriculture Share Print E-Mail Caption Sprayers, like this one, can distribute many materials across crops. In this research study, the team applied inactivated spent microbial mass (SMB) and measured maize yields over two growing seasons and changes in soil carbon. Credit Photo by D. O'Dell, courtesy UTIA. Usage Restrictions None 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.