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|Erosion -- part 2|
The only way to economically protect eroding rangelands worldwide is to do what nature does and have the land grow its own protection.
Tallgrass prairie does an excellent job of protecting soil. The combination of grasslands, grazers, and predators to kept herds bunched and moving, built soils up to 2.7 meters (9 feet) deep over vast areas of North America.