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The eighth edition is a major revision in which there has been careful revision of the topics covered as well as changes in the depth of coverage. Many new figures and table are included. Summary statements are give at the ends of the more difficult sections within chapters, and a summary appears at the end of each chapter. Many nonagricultural examples are included to emphasize the importance of soil properties when soils are used in engineering and urban settings. The topics relating to environmental quality are found throughout the book to add interest to many chapters. Several examples of computer application are included.

Chapter 1 Soil as a Medium for Plant Growth
Chapter 2 Soil as a Natural Body
Chapter 3 Soil Physical Properties
Chapter 4 Tillage and Traffic
Chapter 5 Soil Water
Chapter 6 Soil Water Management
Chapter 7 Soil Erosion
Chapter 8 Soil Ecology
Chapter 9 Soil organic Matter
Chapter 10 Soil Mineralogy
etc.