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Ag Policy Blog
Chris Clayton DTN Ag Policy Editor
Thu Jun 26, 2014 07:17 AM CDT

WINNIPEG, Canada --- Soil health, soil erosion, soil renaissance, soil degradation, soil sustainability, soil economics and soil mining were the terms that defined the World Congress on Conservation Agriculture that wrapped up Wednesday.

Soil erosion and degradation remain long-term problems that are underappreciated on the world stage. No-till practices are spreading globally, though. Roughly 380 million acres of farmland globally are considered no-till cropping and adoption rates are growing. North America accounts for about 133 million total acres of no-till farming.

David Montgomery, a University of Washington geologist and author of "Dirt, The Erosion of Civilizations," cited USDA's tolerance ...

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