SoyFACE Experiment (image) University of Illinois College of Agricultural, Consumer and Environmental Sciences Share Print E-Mail Caption Amy Betzelberger, a graduate student in the U of I Department of Crop Sciences, discusses with students how wind speed and wind direction apparatus are being used in a CO2 FACE ring to control the carbon dioxide concentration within the ring. The elevated carbon dioxide experiment is being conducted in both corn and soybean at the Urbana SoyFACE facility. Credit Jennifer Shike, University of Illinois Usage Restrictions For use only with U of I release titled 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.