blueberries before harvest (IMAGE) University of Tennessee Institute of Agriculture Caption Four UTIA scientists and faculty from four other universities have been awarded a $3.5 million grant from the USDA’s National Institute of Food and Agriculture (NIFA) to conduct research on “washable essential oil emulsion coatings to extend the shelf life and enhance the safety of organic fruits and vegetables.” Credit Courtesy UTIA. Usage Restrictions No restrictions. License Public Domain 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.