About the Cover
This issue's cover: 7 + 1 Roles of the Soil: An Inclusive Vision for Integrative Soil Science. 1. Soil is a natural body formed under the influence of climate, organisms, parent material, relief, and time in the earth's system. 2. Soil is a fresh water storage and transmitting mantle in the earth's critical zone. 3. Soil is a gas and energy regulating geoderma in the land-atmosphere interface. 4. Soil is the foundation of diverse ecosystems. 5. Soil is a living porous substrate essential for plant growth, animal production, and food supply. 6. Soil is a popular material for a variety of engineering and construction applications. 7. Soil is a great natural remediation and buffering medium in the environment. 8. Soil is a frontier in extraterrestrial explorations.
See "Letter to the Editor 'From the Earth's Critical Zone to Mars Exploration: Can Soil Science Enter It's Golden Age?'" by H. Lin, p.
1351-1353
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Copyright © 2005 by the Soil Science Society of America.