Physical Properties of Primary Particles

Authored by: Joseph M. Skopp

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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This chapter discusses the following physical properties of primary particles: particle density, particle shape, particle size distribution (PSD), and surface area. The definitions and ideas behind these properties have built into it the concept or assumption of discrete primary particles as the primary soil constituent. If organic matter or amorphous materials and cementing agents are abundant, then the importance of primary particles is reduced. In either case, the arrangement or packing of soil particles and these “glues” that control most physical properties of the soil rather than a complete description of the primary particles will be presented in this chapter.

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