Sinossi
1 Introduction.- 2 Soil Profile Descriptions.- Soil Horizons.- Color.- Texture.- Field Definitions.- A Practical Exercise.- General Classes.- Structure.- Consistence.- Reaction.- Boundary.- 3 Laboratory Analyses.- Soil Fertility Tests.- Results.- Land-Use Effects.- Engineering Soils Tests.- Unified System.- Plasticity Index.- Soil Classification Lab Analyses.- Soil Test Kit.- 4 Soil Classification.- Nomenclature.- Maps.- Groupings of Soils.- Drainage Classes.- Interpretive Maps.- Lagol Area Examples.- 5 Computerized Data Processing.- SCS Form 5.- 6 Engineering Applications.- Community Development.- Waste Disposal.- 7 Agricultural Land Classification.- Land Capability.- Productivity Index.- Land Economics.- Land Use.- 8 Erosion Control.- Soil-Loss Equation.- Evidence of Soil Erosion.- Canadarago Computer Study.- 9 Yield Correlations.- Estimated Yields.- Soil Correlations.- National Programs.- Crop Responses.- Experiment Design.- Sequential Testing.- 10 Archeological Considerations.- New York.- Mesa Verde.- Phoenix.- Tikal.- Sardis.- Mexico City.- Negev Desert.- Rajasthan Desert.- 11 Planning for the Future.- FAO World Soil Map.- Soil Taxonomy.- CRIES.- Benchmark Project.- Soil Quantification.- Conclusions.- Appendix 1 Conversion Factors for U.S. and Metric Units.- Appendix 2 Glossary.- References.
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