Basic Relationships: General Physical Characteristics of Soils. Properties of Water in Relation to Porous Media. The Solid Phase: Particle Sizes and Specific Surface. Nature and Behavior of Clay. Soil Structure and Aggregation. The Liquid Phase: Content and Potential of Soil Water. Flow of Water in Saturated Soil. Flow of Water in Unsaturated Soil. Movement of Solutes and Soil Salinity. The Gaseous Phase: Content and Composition of Soil Air. Movement and Exchange of Gases in the Soil Composite Phenomena: Soil Temperature and Heat Flow. Soil Dynamics: Stress, Strain, and Strength. The Field Water Cycle: Entry of Water into Soil. Surface Runoff and Water Erosion. Redistribution of Water in Soil. Groundwater Drainage and Pollution. Evaporation From Bare Soil and Wind Erosion. Soil-Plant-Water Relations: Uptake of Soil Moisture by Plants. Water Balance and Energy Balance in The Field. Irrigation and Water-Use Efficiency. Appendices: Spatial Variability. Applications of Soil Physics to Remediation of Hazardous Waste Sites. Representing the Land Surface in Global Climate Models. Bibliography. Index.