Inceptisols
Galbraith, John M. ， Scheffe, Kenneth ， McVey, Shawn
2017 ENCYCLOPEDIA OF SOIL SCIENCE, VOLS I-III, 3RD EDITION 2017 null(卷), null(期), (1151-1156页)
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Inceptisols are important soils worldwide, covering about 14.5% of the earth's ice-free surface, with the amount expected to increase as ice and frozen soil melts. Inceptisols are important farmlands on level areas in semiarid climates, infloodplains, and on terraced hillslopes. Inceptisols are considered an intermediate stage of development between Entisols and the more highly developed soil orders preceding them in the Key to Soil Orders, except where sandy parent material, very steep slopes, or wet, dry, or cold climate permanently limit their development. Modal Inceptisols have pale or thin surface horizons (ochric epipedon) and a minimally developed subsoil (cambic horizon). Inceptisols can form in any type of parent material except thick organic deposits, in any soil moisture regime other than aridic or torric (where they would be identified as Aridisols), and in any soil temperature regime. They are concentrated in four major settings-cold regions, dry regions (ustic and xeric), wetlands, and young geological surfaces (such as recent or very steep parent material deposits).
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