Science Blog: Corn yields in the central United States have become more sensitive to drought conditions in the past two decades, according to Stanford research.
The study, which appears in the journal Science, was led by Stanford`s David Lobell, associate professor of environmental Earth system science and associate director of the Center on Food Security and the Environment. "The Corn Belt is phenomenally productive," Lobell said, referring to the region of Midwestern states where much of the country`s corn...