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ARS Home Office of Communications Images Photos Oct08





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Image Number D1236-13 Soil scientist Doug Karlen (left) discusses commercial combine modifications that Stuart Birrell, associate professor at Iowa State University, designed to collect corn stover as a bioenergy feedstock for the REAP (Renewable Energy Assessment Project) cooperative research project.  Photo by Stephen Ausmus.  640 pixels wide: (d1236-13.jpg)   Please visit our Image Gallery


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