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Analytical work which has so far been published on the composition of the irrigation waters of the Intermountain Region indicates a wide variation in their composition. Some are exceptionally pure, being nearly free from alkali, and may be used without fear of injury to soils; others contain larger quantities of alkali and must be used with care; still others are so heavily charged with soluble salts that they must be used with extreme caution, otherwise the growing crop will be injured and in time the soil rendered unfit for agricultural purposes. The land then must be either reclaimed or abandoned, either of which will entail an enormous expense to the landowner and indirectly to the State. Much of this unnecessary loss can be prevented if definite and complete information be available on the composition of the irrigation waters.



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