Yield Gap (IMAGE) University of Minnesota Caption In many parts of the world, particularly Eastern Europe, sub-Saharan Africa, East Asia, and South Asia, agricultural lands produce far less food than they could with good nutrient and water management. 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.