Is giant reed a 'miracle plant' or the next kudzu? - Article Photos 13/16

In this Monday, Oct. 1, 2012 photo, farming director Sam Brake shows a "rhizome" from an Arundo donax plant in a test plot near the Biofuels Center of North Carolina in Oxford, N.C. It's fast-growing and drought-tolerant, producing tons of biomass per acre. It thrives in even the poorest soil and is a self-propagating perennial, so it requires little investment once established. (AP Photo/Allen Breed)