Key to Soil Taxonomy - Soil Survey Staff, Ebooki - biologiczne [eng]
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United States
Department of Agriculture
Keys to
Soil Taxonomy
Ninth Edition, 2003
Keys to Soil Taxonomy
By Soil Survey Staff
United States Department of Agriculture
Natural Resources Conservation Service
Ninth Edition, 2003
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A natric horizon with columnar structure in a Natrudoll from Argentina.
5
Table of Contents
.................................................................................................................................... 7
TheSoilsThatWeClassify .................................................................................. 9
Differentiae for Mineral Soils and Organic Soils ............................................... 11
Horizons and Characteristics Diagnostic for the Higher Categories .................. 13
Identification of the Taxonomic Class of a Soil ................................................. 37
Alfisols ............................................................................................................... 41
Andisols ............................................................................................................. 83
Aridisols ........................................................................................................... 103
Entisols ............................................................................................................. 129
Gelisols ............................................................................................................ 149
Histosols ........................................................................................................... 159
Inceptisols ........................................................................................................ 165
Mollisols .......................................................................................................... 193
Oxisols ............................................................................................................. 237
Spodosols ......................................................................................................... 253
Ultisols ............................................................................................................. 263
Vertisols ............................................................................................................ 285
Family and Series Differentiae and Names ...................................................... 297
Designations for Horizons and Layers ............................................................. 313
............................................................................................................................... 319
...................................................................................................................................... 325
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