Rice Growing in Hydroponics (IMAGE) American Society of Agronomy Caption Rice plants growing hydroponically, meaning in nutrient solution without soil, under different arsenic and silicon levels. Credit Matt Limmer Usage Restrictions For use with this 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.