The Geography of Soils: Formation, Distribution, and ManagementThis updated second edition builds upon the strengths of its predecessor. It clarifies concepts that students have had difficulty in mastering and contains new sections, including a discussion of clay mineral structures and a more thorough treatment of soilscapes and suborders within a regional context. |
Contents
The Origin and Significance of the Soils Inorganic Constituents | 3 |
The Organic Fraction of the Soil | 25 |
Soil Porosity Moisture and Atmosphere | 41 |
Effect of Site and Time on Soil Characteristics | 53 |
Soil Classification | 67 |
Entisols Vertisols and Inceptisols | 83 |
Aridisols | 99 |
Mollisols | 115 |
Oxisols | 159 |
Histosols | 173 |
Structure of Clay Minerals | 179 |
Descriptive Soil Profile Symbols | 183 |
Soil Color | 185 |
Glossary | 191 |
| 229 | |
| 235 | |
Other editions - View all
Common terms and phrases
accumulation acid albic horizon Alfisols aluminum American Geographers areas argillic horizon arid Aridisols Association of American bacteria base saturation brown 10YR bulk density calcium cemented centimeters characteristics chemical clay minerals climates coarse colloids color crops decomposed decomposition drainage duripan Entisols Figure forest fragipan freely drained Histosols humid humus illuvial Inceptisols inorganic iron layer loam millimeters mineral soil moist moisture regime mollic epipedon Mollisols mottles nitrogen normally nutrients ochric organic carbon organic matter oxic horizon oxides Oxisols oxygen parent material Pedogenesis pedogenic pedon peds percent petrocalcic petrocalcic horizon plants plinthite pore space precipitation processes production Psamments reddish regions rock roots sand sandy saturated with water silicate silt Soil Classification soil horizon soil material soil moisture Soil Order soil particles Soil Science Soil Taxonomy soil temperature soil's spodic spodic horizon Spodosols Suborders subsurface surface texture thick tropical Ultisols USDA soil taxonomy vegetation Vertisols water for periods weathering