Image of Soil Pores and Roots (IMAGE) American Society of Agronomy Caption At the center of the image a barley root is visible. Using a machine learning segmentation technique, the pores in the soil have been separated into different sizes. The scale bar is the pore size in microns. Credit Diamond Light Synchrotron facility 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.