Photo 1 (IMAGE) Shinshu University Caption Root Exudate Collection using the glass-fiber filter method Credit Naoki Makita Ph.D., Faculty of Science, Shinshu University Usage Restrictions None 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.