29 mayo 2015
In the United States, federal mandates to produce more renewable fuels, especially biofuels, have led to a growing debate: Should fuel or food grow on arable land? Recent research found encouraging, sustainable results when growing Camelina sativa with soybean in the Midwest.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/eKuTpX0FfMw/150529083005.htm
