| http://www.w3.org/ns/prov#value | - The price of wheat, for example, has doubled in the past year and is at an all-time high.Meanwhile, the push for alternative energy sources is leading some farmers to divert corn to that use, and creating spot shortages of such grains as soybeans, as farmers divert acreage to the more lucrative crop, a trend that industry experts say likely won???t change in the foreseeable future.Food companies a
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