7. U.S. Soil Taxonomy

  1. S. W. Buol B.S., M.S., Ph.D.1,
  2. R. J. Southard B.S, M.S., Ph.D.2,
  3. R. C. Graham3 and
  4. P. A. McDaniel B.S., M.S., Ph.D.4

Published Online: 5 AUG 2011

DOI: 10.1002/9780470960622.ch7

Soil Genesis and Classification, Sixth Edition

Soil Genesis and Classification, Sixth Edition

How to Cite

Buol, S. W., Southard, R. J., Graham, R. C. and McDaniel, P. A. (2011) U.S. Soil Taxonomy, in Soil Genesis and Classification, Sixth Edition, Wiley-Blackwell, Oxford, UK. doi: 10.1002/9780470960622.ch7

Author Information

  1. 1

    North Carolina State University, Raleigh, USA

  2. 2

    University of California, Davis, USA

  3. 3

    University of California, Riverside, USA

  4. 4

    University of Idaho, Moscow, USA

Publication History

  1. Published Online: 5 AUG 2011
  2. Published Print: 2 SEP 2011

ISBN Information

Print ISBN: 9780813807690

Online ISBN: 9780470960622



  • U.S. soil taxonomy;
  • soil classification system, completely new in design - and nomenclature, created and evolving in the United States;
  • desired attributes, in constructing system defined taxa - concepts of real soil bodies in nature;
  • differentiating characteristics, selected - properties of soils themselves;
  • nomenclature, completely new set of names for taxa - above the level of the soil series;
  • structure of system - containing six categories;
  • categories of soil taxonomy;
  • order category - names of orders, formative element derived from within the order name;
  • family category, and family taxa - subdividing subgroups, aggregate soils differentiated by higher categories;
  • family names, complete family name of soil - arranging applicable family classes in order


This chapter contains sections titled:

  • Desired Attributes

  • Definition of the Classes

  • Nomenclature

  • Structure of the System

  • Perspective