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The smallest unit or volume of soil that contains all the soil horizons of a particular soil type, usually having a surface area of 1 square meter (10.67 square feet) and extending from the ground surface down to bedrock.

[From pedo- + -on or from Greek pedon, soil; see ped- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Nesse caso, a identidade nao e algo dado, mas e sempre processo, que se da por meio da comunicacao com outros atores, no qual a territorialidade sera a expressao deste processo no cotidiano desses atores sociais (SOUZA; PEDON, 2007, p.
Drenaje moderado El agua es removida de tal forma que el pedon esta humedo por poca, pero significativa, parte del tiempo.
Maiolino G, Pedon L, Cesari M, Frigo AC, Wolfert RL, Barisa M, et al.
The Davis site is on a Yolo silty clay loam with an available water capacity of 11 inches (in), or 28.1 centimeters (cm), for a 100 cm pedon, underlain by a sandy substratum within 3 ft of the soil surface.
A representative soil pedon, 1.5 x 2 m, was opened in each identified soil unit and described in situ following the Guidelines for Field Soil Description [16].
[5] proposed a classification of soils based on reduction of pedon of Haplic Luvisols.
The databases Pedon and Catena of field research and laboratory analyses conducted in Estonia (Kolli, 1987, 2009) as well as experience obtained from collaboration with 'humus people' (Zanella et al., 2009, 2010) were used.