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Farming practices in America's heartland, including excess fertilizers and poor soil conservation, have wrought unintended yet severe consequences on the Mississippi River. Fortunately, farmers, scientists, and citizens are pursuing more sustainable land-use practices that meet ambitious food production goals while ensuring the long-term health of precious natural resources.
Libération: Sep 23, 2010
Durée: 57 minutes
Langue: English
Studio: Bell Museum
Pays: United States of America
Jeter: Bob Malos
