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The volume-changes associated with variations of water content in soil

Published online by Cambridge University Press:  27 March 2009

William B. Haines
William B. Haines
Affiliation:
Rothamsted Experimental Station, Harpenden.
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Extract

(1) A new and simple method of measuring the shrinkage of moist soil on drying is described, which at the same time gives values for the pore space and specific gravity of the soil.

(2) Diagrams for a number of diverse soils are given, illustrating the character of soil shrinkage.

(3) The shrinkage is shown to take place in two stages in both of which there is a linear relationship to the moisture content.

(4) Tentative explanations of these two stages are advanced, based on the well-known colloidal-coating hypothesis, and confirmatory experiments described.

(5) By means of the method the effect of alternate wetting and drying of soil in producing a good tilth is illustrated.

Information

Type
Research Article
Information
The Journal of Agricultural Science , Volume 13 , Issue 3 , July 1923 , pp. 296 - 310
Copyright
Copyright © Cambridge University Press 1923

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References

REFERENCES

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