Nitrogen Application Rate (IMAGE) University of Minnesota Caption Strategic addition or reduction of nitrogen based on crop needs and local conditions could boost food production dramatically with only a minimal increase in total use on a global scale. Credit Nathaniel Mueller / University of Minnesota 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.