This Feb. 1, 2012 photo shows a sample of dried soy beans at the Willamette Biomass Processors plant in Rickreall, Ore., which crushes canola and other seeds to make biofuel and/or food

 

              This Feb. 1, 2012 photo shows a sample of dried soy beans at the Willamette Biomass Processors plant in Rickreall, Ore., which crushes canola and other seeds to make biofuel and/or food
This Feb. 1, 2012 photo shows a sample of dried soy beans at the Willamette Biomass Processors plant in Rickreall, Ore., which crushes canola and other seeds to make biofuel and/or food grade canola oil. Some farmers want to grow more canola because it's a profitable alternative to grass seed and wheat. But other farmers who grow specialty vegetable seeds worry about contamination from canola. (AP Photo/The Oregonian, Beth Nakamura)