<p> This product image provided Wal-Mart shows Wild Oats organic black beans. The world's largest retailer on Thursday, April 10, 2014 said that it has teamed up with Wild Oats to sell a new line of organic foods, starting this month, that's at least 25 percent cheaper than the national organic brands it carries and in line with the prices of its branded non-organic alternatives. Wild Oats helped pioneer the organic food trend in the late 1980s but has largely disappeared from store shelves since 2007. (AP Photo/Wal-Mart) </p>
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