Soybean Field (image) Penn State Share Print E-Mail Caption Soybean was a logical crop on which to conduct the research. It is the most widely grown legume in the world. The research is important because it portends how crop yields and tolerance for conditions such as drought and extreme heat will be enhanced in the future, according to lead researcher Sally Mackenzie, professor in the departments of Biology and Plant Science at Penn State. Credit Stephen Kirkpatrick, USDA National Resource Conservation Service Usage Restrictions None Share Print E-Mail 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.