Switchgrass—On Corn Acreage or CRP?

By Kristen Johnson School of Natural Resourses and Environment at the University of Michigan. The Department of Energy (DOE) has set the goal of making cellulosic ethanol cost-competitive by 2012, and by 2030, it aims to make biofuels displace 30% of the country’s projected gasoline use. Some of the primary types of feedstocks being considered to meet these goals are crop residues, perennial woody crops, and perennial grasses. Perennial grasses have been a particular focus, with switchgrass receiving the most attention. Switchgrass, a native tall-grass prairie species, is considered most promising because of its high yields, low inputs, and ability to adapt to a variety of conditions. But an important question concerning the sustainability of this feedstock is: where should this perennial grass be grown? Article Continues

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