The Chemistry of Soils (Google eBook)

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Oxford University Press, Mar 31, 2008 - Technology & Engineering - 344 pages
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There have been many advances in soil chemistry since Oxford published the first edition of The Chemistry of Soils in 1989. The physical-chemistry approach to soil chemistry taken in the book, groundbreaking for its time, has been adopted by nearly every soil chemistry book published since. This book offers a thorough update of all topics covered in the previous edition. In the last 16 years, soil chemistry as a discipline has assumed major significance in connection with global climate change. The 2nd edition addresses the emergent issue of global climate change by exploring the interaction between organic carbon and soil. The largest repository of organic carbon on earth is still soil, and the process by which organic carbon is sequestered by soil, thus preventing the release of carbon dioxide into the atmosphere, is one of the proper concerns of soil chemistry. Thus, the revision provides a rigorous discussion of soil chemistry in its broader environmental and biogeochemical contexts.
  

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Contents

Soil Particle Surface Charge
174
72 Adsorption
179
73 Surface Charge
181
74 Points of Zero Charge
183
75 Schindler Diagrams
188
For Further Reading
190
Problems
191
Soil Adsorption Phenomena
195

Soil Minerals
28
22 Primary Silicates
36
23 Clay Minerals
41
24 Metal Oxides Oxyhydroxides and Hydroxides
49
25 Carbonates and Sulfates
54
For Further Reading
56
Problems
57
The Discovery of the Structures of Clay Minerals
59
Soil Humus
65
32 Humic Substances
70
33 Cation Exchange Reactions
72
34 Reactions with Organic Molecules
77
35 Reactions with Soil Minerals
82
For Further Reading
85
Problems
86
Film Diffusion Kinetics in Cation Exchange
91
The Soil Solution
94
42 Soluble Complexes
96
43 Chemical Speciation
101
44 Predicting Chemical Speciation
104
45 Thermodynamic Stability Constants
110
For Further Reading
113
Problems
114
Mineral Stability and Weathering
119
ActivityRatio Diagrams
125
53 Coprecipitated Soil Minerals
130
Predominance Diagrams
133
55 Phosphate Transformations in Calcareous Soils
135
For Further Reading
139
Problems
140
OxidationReduction Reactions
144
62 Redox Reactions
148
63 The Redox Ladder
154
64 Exploring the Redox Ladder
159
65 pEpH Diagrams
162
For Further Reading
165
Problems
166
Balancing Redox Reactions
169
The Invention of the pH Meter
171
82 Adsorption Kinetics and Equilibria
197
83 Metal Cation Adsorption
203
84 Anion Adsorption
206
85 Surface Redox Processes
209
For Further Reading
214
Exchangeable Ions
219
92 Exchange Isotherms
223
93 Ion Exchange Reactions
226
94 Biotic Ligand Model
230
95 Cation Exchange on Humus
233
For Further Reading
238
Problems
239
Colloidal Phenomena
244
102 Soil Colloids
248
103 Interparticle Forces
250
104 The Stability Ratio
255
105 Fractal Floccules
261
For Further Reading
266
Problems
267
Mass Fractals
271
Soil Acidity
275
112 AcidNeutralizing Capacity
279
113 Aluminum Geochemistry
282
114 Redox Effects
286
115 Neutralizing Soil Acidity
288
For Further Reading
290
Problems
291
Measuring pH
293
Soil Salinity
296
122 Cation Exchange and Colloidal Phenomena
298
123 Mineral Weathering
302
124 Boron Chemistry
305
125 Irrigation Water Quality
308
For Further Reading
311
Problems
312
Units and Physical Constants in Soil Chemistry
316
For Further Reading
319
Index
321
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Advances in Agronomy, Volume 50

Limited preview - 1993
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