Soil Genesis and Classification reflects the most recent advances in the field of soil science. Making use of the latest research and field experience, this volume offers up–to–the–date, expanded information about the nature, formation, function, classification, and use of soils. To the familiar soil families, series, and types, the authors have added material on Gelisols, additional facts about Andisols and tropical and subtropical soils, and a new chapter on soil survey interpretation.