Nitrogen Plant (IMAGE) Cold Spring Harbor Laboratory Caption Leaf from transgenic (top) and non-transgenic (bottom) maize plants, collected from same node, grown in low nitrogen field. Credit DuPont Pioneer 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.