Crop Residue May Be Too Valuable to Harvest for Biofuels
Tuesday, July 15, 2008 - 08:28
in Earth & Climate
In the rush to develop renewable fuels from plants, converting crop residues into cellulosic ethanol would seem to be a slam dunk. However, the stems and leaves left over after crops are harvested may have more value if they're left on the ground, according to a USDA-Washington State University soil scientist.