Sample Prep (IMAGE) American Society of Agronomy Caption Gross prepares to place a tin of soil in the slot of an elemental analyzer for analysis. Credit Dauren Kaliaskar 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.