6. Modern Soil Classification Systems

  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.ch6

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) Modern Soil Classification Systems, in Soil Genesis and Classification, Sixth Edition, Wiley-Blackwell, Oxford, UK. doi: 10.1002/9780470960622.ch6

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



  • modern soil classification systems - soil systems, abounding historically and currently;
  • logic and cognitive science in soil classification - Mill and Cline's, frame of reference and terminology;
  • indigenous soil classifications - ‘folk’ soil and land classification;
  • regional and national soil classification systems - incorporating soils occurring within a nation;
  • soil classification in the Netherlands - four categories, order, suborder, group and subgroup;
  • Russian soil classification;
  • pedology in New Zealand - development of the order Andisols, in soil taxonomy;
  • soil classification in Canada - The Canadian soil classification system, soils existing in Canada;
  • order and suborders - in Brazilian soil classification;
  • World Reference Base (WRB) - reference base, soil classification systems into a system of names


This chapter contains sections titled:

  • Logic and Cognitive Science in Soil Classification

  • Indigenous Soil Classifications

  • Regional and National Soil Classification Systems

  • World Reference Base (WRB)

  • Numerical Classification of Soils

  • Perspective