In any complete investigation of terrestrial ecosystems, rocks and soils must be considered. Soils are essential resources, providing water and nutrients for vascular plants, and mitigating the flow of water from the land. In addition, soil diversity is critical for biotic diversity. While there are many references on the agricultural perspective o

Soils, Landscapes and Ecosystems. Soil Parent Material, Weathering, and Primary Particles. Soil Architecture-Structural Units and Horizons. Heat and Soil Temperature. Soil Water, Air, and Climate. Soil Classification-Kinds of Soils. Soils in Landscapes. Primary Production and Plant Nutrition. Soil Organisms: Life in Soils. Soil Organic Matter. Soils and Global Processes. Land Management and Soil Quality. Glossary. References. Appendices.