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The transport of water through heavy clay soils. I

Published online by Cambridge University Press:  27 March 2009

E. C. Childs
E. C. Childs
Affiliation:
(School of Agriculture, Cambridge)
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Extract

Assuming a uniform heavy soil, without tilth, the water movement in which obeys diffusion laws, expressions have been deduced for four quantities, starting with a known moisture profile.

(a) The moisture profile at any subsequent time in the absence of rainfall or irrigation (neglecting evaporation, transpiration, and any other source of loss of moisture).

(b) The moisture profile at any subsequent time during such rainfall as causes flushing of the drains.

(c) The minimum rainfall necessary to cause flushing of the drains (maximum acceptable rainfall).

(d) The acceptable rainfall after a period of recovery following the previous drainage period.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 26 , Issue 1 , January 1936 , pp. 114 - 127
Copyright
Copyright © Cambridge University Press 1936

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References

REFERENCES

(1)Veihmeyer, F. J.Hilgardia (1927), 2, 125.CrossRefGoogle Scholar
(2)Buckingham, E.Bull. U.S. Div. Soils (1907), No. 38.Google Scholar
(3)Carslaw, H. S.Theory of Fourier's Series and Theory of Conduction of Heat. Macmillan and Co., Ltd.Google Scholar