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Effect of dressings of basic slag on the lime status of soils

Published online by Cambridge University Press:  27 March 2009

Rice Williams
Rice Williams
Affiliation:
(University College of North Wales, Bangor.)
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Extract

(1) The addition of basic slag to moist base-unsaturated soils, under laboratory conditions, causes an increase in their content of exchangeable calcium, degree of saturation, pH, and the amount of calcium soluble in an aqueous solution of carbon dioxide.

(2) Slag seems to be almost as effective as calcium carbonate or lime in increasing the exchangeable calcium and the degree of saturation of soils, but its action on pH is not so marked.

(3) The effect of dressings of slag on the lime status of soils from experimental plots is still evident after eight years.

(4) The exchangeable calcium of samples of soil taken from the same fields after an interval of six years shows a considerable fall due to leaching.

(5) It is suggested that the addition of low grade basic slag to unsaturated soils may tend to maintain or improve their lime status and will, to some extent, compensate for the loss of calcium due to drainage and crops.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 16 , Issue 2 , April 1926 , pp. 196 - 204
Copyright
Copyright © Cambridge University Press 1926

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References

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