Dust in the wind
American Agriculture: A Brief History, by Douglas Hurt, Iowa State
University Press, 1994.
The State of the Nation's Ecosystems: Measuring
the Lands, Waters, and Living Resources of the United States, Cambridge
University Press, 2002.
Soils, Land and Food: Managing the Land During
the Twenty-first Century, by Alan Wild, Cambridge University Press,
State of the World 2002, by Christopher Flavin
et al., Worldwatch Institute, 2002. (See p. 62-74 for global trends
U.S. biosurvey reveals worrisome trends, Milius,
S, Science News 156(Sept. 25):199, 1999.
"Easter Island's End," Jared Diamond, Discover,
"Environmental and Economic Costs of Soil Erosion
and Conservation Benefits," David Pimentel et al., Science, Feb.
"U.S. Soil Erosion Rates - Myth and Reality,"
Stanley Trimble and Pierre Crosson, Science, July 14, 2000.
"Tropical Soils and Food Security: The Next
50 Years," M.A. Stocking, Science, Nov. 21, 2003.
"Soil Fertility and Hunger in Africa," by Pedro
Sanchez, Science, March 15, 2002.
"Global environmental impacts of agricultural
expansion: The need for sustainable and efficient practices," David
Tilman, Proc. Natl. Acad. Sci., May 1999.
What's the pedosphere?
for teachers, or anyone who likes to play in the dirt.
Free soil education
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World soil information
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The Land Institute.
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