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The Relation between Moisture Content and the Micro‐Aggregation or the Degree of Dispersion in Soil
Author(s) -
Kolodny L.,
Joffe J. S.
Publication year - 1940
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1940.036159950004000c0002x
Subject(s) - water content , chemist , computer science , chemistry , engineering , organic chemistry , geotechnical engineering
Considerable attention has been given to such fac-, tors as type of clay colloid, quantity of colloid, type and ratios of saturating cations, and quantity of organic colloid as they affect the degree of dispersion. For the greater part, the recent soil conservation research literature on the physical and chemical properties of soils relating to erosion neglect moisture content in evaluating dispersion. Yet, as has already been pointed out, there is ample evidence in the literature that it is a factor. Some workers (2, 15, 16) have noted the effect of moisture on dispersion during the course of investigations but have not directly investigated the effects. Browning ( 2 ) , however, does make a point of discussing the differences in the dispersion ratios of air-dried and field-moisture samples of a soil upon which the effect of lime and organic matter was being investigated.