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4. The Effect of the Colloidal Content Upon the Physical Properties of Soils 1
Author(s) -
Bouyoucos George J.
Publication year - 1925
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1925.00021962001700050005x
Subject(s) - george (robot) , citation , soil water , agricultural experiment station , agriculture , content (measure theory) , library science , mathematics , history , computer science , art history , archaeology , environmental science , soil science , mathematical analysis
As our general knowledge and understanding of the colloidal matter in soils are increasing, it is becoming more evident and clearer that nearly all the physical properties of soils are very largely, if not entirely, controlled by the colloidal matter present. Indeed, it is probably safe to say that the colloidal matter is responsible for nearly all of the physical properties and activities of soils. To recognize fully and to appreciate the great and controlling influence that colloids have on the physical properties of soil, it is necessary to direct attention to and examine some of the most important physical properties or physical phenomena in soils. These physical properties and physical phenomena may be grouped under the general headings of