One of the important points made in my new book, Sustainable Ethanol," is that ethanol can be produced from perennial crops while improving soil quality at the same time. This view is backed by USDA's ARS National Soil Tilth Laboratory in Ames, Iowa. In a study published in the 2006 Agronomy Journal, they found that a rotation including forage crops is better for soil quality as compared to traditional corn/soybean rotations or continuous corn. Perennial forage crops could be used as ethanol feedstock when cellulosic conversion technologies are perfected. Ethanol production could then spur improvements in soil quality which would improve long-term food security as well. Learn more about the study at:
Iowa Farmer Today
Friday, January 04, 2008
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