Rice Water Test (IMAGE) University of California - Davis Caption Guillermina Cantou, a researcher with the National Institute for Farming Research (INIA) in Uruguay, collects water samples for analysis from an INIA experimental rice paddy in Treinta y Tres, Uruguay. Credit Gualberto Gonzalez-Sapienza, University of the Republic, Uruguay Usage Restrictions Must credit University of the Republic, Uruguay 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.