Bioenergy grass can withstand freezing temperatures


March 2012 was unusually warm. Biomass crops around the Midwest were well established and thriving. But when a late frost came in mid-April, all of that changed.“When I went out in the morning, I was just shocked,” says University of Illinois agronomist D.K. Lee. “All the grasses were covered in frost. By noon, Miscanthus and switchgrass had turned black. The only plant that was untouched was prairie cordgrass.”


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