Soil Genesis and Classification

Soil Genesis and Classification, Sixth Edition, builds on the success of the previous editions to present an unparalleled resource on soil formation and classification. Featuring a color plate section containing multiple soil profiles, this text also includes information on new classification systems and emerging technologies and databases with updated references throughout. Covering the diverse needs of both the academic and professional communities, this classic text will be a must have reference for all those in soil science and related fields.

Spis treści:
Authors vii
Preface to the First Edition ix
Preface to the Second Edition x
Preface to the Third Edition xi
Preface to the Fourth Edition xiii
Preface to the Fifth Edition xiv
Preface to the Sixth Edition xv
1. Introduction 3
2. Morphology and Composition of Soils 35
3. Soil–forming Factors: Soil as a Component of Ecosystems 89
4. Soil Materials and Weathering 141
5. Soil–forming Processes 163
6. Modern Soil Classification Systems 181
7. U.S. Soil Taxonomy 207
8. Alfisols: High Base Status Soils with Finer–textured Subsoil Horizons 233
9. Andisols: Soils with Andic Soil Properties 249
10. Aridisols: Soils of Dry Regions 265
11. Entisols: Recently Formed Soils 283
12. Gelisols: Very Cold Soils 293
13. Histosols: Organic Soils 307
14. Inceptisols: Embryonic Soils with Few Diagnostic Features 321
15. Mollisols: Grassland Soils of Steppes and Prairies 331
16. Oxisols: Low Activity Soils 349
17. Spodosols: Soils with Subsoil Accumulations of Humus and Sesquioxides 361
18. Ultisols: Low Base Status Soils with Finer–textured Subsoil Horizons 375
19. Vertisols: Shrinking and Swelling Dark Clay Soils 385
20. Spatial Arrangement of Soils: Soilscapes and Map Un its 397
21. Interpretations of Soil Surveys and Technical Soil Classification 425
Bibliography 437
Index 531
Color plate section located between pages 232 and 233