Corn Map (IMAGE) Penn State Caption Researchers chose three study area in the Northeast that are expected to confront different corn-growing challenges as the climate warms. A longer growing season in the northern reaches of the region could even improve corn yields, they say. Credit Heather Karsten Research Group/Penn State 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.