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irrigation

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irrigation

Artificial water supply for dry agricultural areas by means of dams and channels. Drawbacks are that it tends to concentrate salts at the surface, ultimately causing soil infertility, and that rich river silt is retained at dams, to the impoverishment of the land and fisheries below them.

Irrigation has been practised for thousands of years, in Eurasia as well as the Americas. An example is the channelling of the annual Nile flood in Egypt, which has been done from earliest times to its present control by the Aswan High Dam.



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? Mentioned in ? References in classic literature
 
It happened that the famous Commission of the 2nd of June had set on foot an inquiry into the irrigation of lands in the Zaraisky province, which fell under Alexey Alexandrovitch's department, and was a glaring example of fruitless expenditure and paper reforms.
Anna Karenina by Tolstoy, Leo View in context
Pivart, who, having lands higher up the Ripple, was taking measures for their irrigation, which either were, or would be, or were bound to be (on the principle that water was water), an infringement on Mr.
The Mill on the Floss by Eliot, George View in context
All the windows and doors had been taken away, and sufficiently large holes were conspicuous in the dilapidated roofs, but the surrounding land was laid out in fields that were highly cultivated, and the old garden spaces had been turned into meadows, watered by a system of irrigation as artfully contrived as that in use in Limousin.
The Country Doctor by de Balzac, Honore View in context
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