soil sensors1-field test (IMAGE) University of Wisconsin-Madison Caption Soil science PhD student Shuohao Cai places a sensing rod, which has multifunctional sensing stickers positioned to enable multi-depth measurements, in soil at UW-Madison’s Hancock Agricultural Research Station to test the team's technology. Credit: Kuan-Yu Credit Photo by Kuan-Yu Chen Usage Restrictions None License Original 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.