Pedogenesis and Soil Taxonomy Concepts and Interactions

Wilding, L. P.; Smeck, N. E.; Hall, G. F.0-444-41882-7, 0-444-42100-9

Table of contents :
Pedogenesis and Soil Taxonomy: Concepts and Interactions……Page 4
Copyright Page……Page 5
Dedication……Page 6
List of Contributors……Page 8
Preface……Page 10
Contents……Page 12
Introduction……Page 16
The U.S. National Cooperative Soil Survey definition of soil……Page 17
Some non-pedologic concepts of soil……Page 18
Pedological concepts of soils……Page 21
Soil concepts in relation to classification……Page 26
Concepts of soil in soil survey……Page 31
References……Page 34
The earlier classifications……Page 38
Development of definitions for Soil Taxonomy……Page 51
Genetic implications of Soil Taxonomy……Page 57
Use of Soil Taxonomy……Page 61
References……Page 63
Dynamics……Page 66
Models……Page 82
Conclusions……Page 93
References……Page 94
Introduction……Page 98
Systemic versus random variation……Page 99
State of knowledge……Page 101
Statistical concepts……Page 105
Sampling schemes……Page 108
Magnitude of soil variability……Page 114
Scale factor and spatial variability……Page 119
Pedological implications……Page 121
References……Page 128
Introduction……Page 132
Basic principles……Page 133
Geomorphic surfaces……Page 134
Soil-landscape relationships……Page 138
Implications of paleosols……Page 145
Influence of climate……Page 148
Conclusions……Page 150
References……Page 151
Mineral components……Page 156
Mineral stability……Page 166
Mineral synthesis and transformation in soil profiles……Page 168
Summary and conclusions……Page 197
References……Page 199
Introduction……Page 208
Carbon and nitrogen cycling……Page 209
The importance of the microbial component of ecosystems……Page 212
Decomposition processes and the accumulation of organic matter in soils……Page 214
The biotic factor in soil formation……Page 216
Summary……Page 237
References……Page 238
Introduction – an overview……Page 248
Climate in soil development……Page 249
Time in soil development……Page 258
The changing history of pedomorphic surfaces……Page 262
References……Page 264
Introduction……Page 268
The physical characterization of the soil-moisture regime……Page 270
Chemical transformations in soils with aquic moisture regimes……Page 280
Soil-morphological features as indicators for the moisture regime……Page 283
Acknowledgement……Page 293
References……Page 294
Subject Index……Page 298
Author Index……Page 310