Ghana Farm (IMAGE) University of Nebraska-Lincoln Caption A farm in Ghana, where corn yields sit at about a quarter of what could be grown with optimal plant and soil management. New research from the University of Nebraska-Lincoln and its collaborators has found that sub-Saharan Africa will struggle to meet its 2050 grain demands even if it maximizes the yields of corn and four other cereal crops. Credit Courtesy Lenny van Bussel 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.