Corn crops increasingly vulnerable to hot, dry weather

Corn crops increasingly vulnerable to hot, dry weather
Washington (AFP) May 01, 2014 - US farmers can grow more corn than ever before thanks to genetic modifications and improved planting techniques, but the crops are also increasingly vulnerable to drought, researchers said Thursday. The study in the journal Science found that "densely planted corn appears to be unexpectedly more sensitive to water scarcity," raising concerns about future food supply as the planet warms. ... morehttp://www.seeddaily.com/reports/Corn_crops_increasingly_vulnerable_to_hot_dry_weather_999.html