Sentences with phrase «switchgrass plots»
Previous studies on switchgrass plots suggested that ethanol made from the plant would yield anywhere from 343 % to 700 % of the energy put into growing the crop and processing it into biofuel.
http://www.sciencemag.org/ Not exact matches
A sustainable biofuels industry will mean that farmers must make very localized decisions, growing switchgrass on one plot of land and poplars on another.