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Converting cropland to perennial pastures produces healthier meat, builds better soil and combats climate change
http://www.motherearthnews.com/Sustainable-Farming/Grass-Fed-Meat-Benefits.aspx
Against the Grain: How Agriculture Has Hijacked Civilization ~ Richard Manning
http://www.amazon.com/Against-Grain-Agriculture-Hijacked-Civilization/dp/0865477132/ref=sr_1_1?ie=UTF8&s=books&qid=1268811685&sr=8-1
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