Bacteria for cellulosic biofuels from poor soil

A successful crop involves the cooperation of numerous microbes. Scientists have found that adding specific bacteria to poplar trees accelerates their growth considerably, even when they are growing on poor soils. These are soild that would be next to useless for row crops such as corn.
Scienceline » Bacteria for Better Biofuels: "Adding the right kind of bacteria, scientists find, can boost plant growth on poor quality soil."