root angle (IMAGE) Penn State Caption Researchers observed a wide variation in crown root angles in corn, ranging from shallow to steep. They reported that a steeper root growth angle markedly improved nitrogen capture. Credit Hannah Schneider/Penn State Usage Restrictions non commercial use only License Original 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.