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Lost Topsoil: Erosion in America's Corn and Grain Belts
Lost Topsoil: Erosion in America's Corn and Grain Belts
Air / Publish Date: 08/25/1984
Event Date: 08/25/1984 By 1984, American farmland has lost three billion tons of topsoil through erosion -- enough to fill 34,000 Houston Astrodomes. Some farmers are practicing soil conservation, terracing fields, or "resting" them.
 Clip Length: 00:04:06
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