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Harvesting the corn residue for cellulosic ethanol production also reduced the carbon in the soil. The more plant residue was removed, the more the soil carbon declined.
References:
Global Change Biology Bioenergy - Article not yet available at the time of publishing.
A recent study that contends algae-based biodiesel is no more environmentally friendly than conventional row-crop feedstocks has generated some controversy, as well as quite a few comments. And even the algal-biofuel industry seems to be split on the issue.
Mon, Jan 25 | from Domestic Fuel