Iowa State researcher studies the sustainability of the bioeconomy

This spring farmers responded to the ethanol industry's demand for grain by increasing their corn acreage by 19 percent over last year, according to U.S. Department of Agriculture estimates.

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<p><a href="http://www.physorg.com/news107704940.html">Iowa State researcher studies the sustainability of the bioeconomy</a></p> <p>This spring farmers responded to the ethanol industry's demand for grain by increasing their corn acreage by 19 percent over last year, according to U.S. Department of Agriculture estimates.</p>