Authored by: Larry T. West , Joey N. Shaw , Fredrich H. Beinroth

Handbook of Soil Sciences Properties and Processes

Print publication date:  November  2011
Online publication date:  November  2011

Print ISBN: 9781439803059
eBook ISBN: 9781439803066
Adobe ISBN:


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Ultisols are a group of soils with an argillic or kandic horizon and low base saturation in lower subsoil horizons. These soils may be found on a variety of parent materials and under a range of climatic conditions, though most have developed under forest vegetation in humid climates. Ultisols are generally considered to be less productive than soils in many of the other orders, but in many regions of the world, they are the most productive soils available. With proper management of organic residues, fallow periods, and/or chemical inputs, the productivity of this resource can be enhanced and maintained. This section presents a brief overview of Ultisol genesis and properties. For a more comprehensive review, the reader is referred to Miller (1983) and West et al. (1997).

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