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"U.S. organic farming has grown wildly in the last two decades, but with food demand rising and many cash-strapped shoppers pinching pennies, are greener acres s"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/translating-uncle-sam/stories/is-organic-food-worth-the-cost-0?page=5>