This Feb. 1, 2012 photo shows 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 
This Feb. 1, 2012 photo shows 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) MAGS OUT; TV OUT; LOCAL TV OUT; LOCAL INTERNET OUT; THE MERCURY OUT; WILLAMETTE WEEK OUT; PAMPLIN MEDIA GROUP OUT less 
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Associated Press | Photo By The Oregonian, Beth Nakamura
Thu, Sep 27, 2012 3:23 AM EDT