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Surface and subsurface water quality appraisal for irrigation.

Authors
  • Isaac, R K
  • Khura, T K
  • Wurmbrand, J R
Type
Published Article
Journal
Environmental Monitoring and Assessment
Publisher
Springer-Verlag
Publication Date
Dec 01, 2009
Volume
159
Issue
1-4
Pages
465–473
Identifiers
DOI: 10.1007/s10661-008-0643-5
PMID: 19101814
Source
Medline
License
Unknown

Abstract

Use of irrigation water available from various sources in agriculture is justified on agronomic and economic grounds but care must be taken to minimize its adverse environmental and health impacts. During the study 44 water samples, available from the various resources viz., canal, sewage pipe line, tube wells in confined aquifers, tube wells in unconfined aquifers, and wells in the Chaka block district Allahabad, were chemically analyzed to check its suitability for irrigation and to classify it according to amount of salts present. The analysis reveals that most of the samples were within the lower alkalinity limit (pH 7.17-8.42), except sewage water (pH 7.34-9.04). The electrical conductivity of the samples ranged from 0.26 to 1.37 millimhos/cm. Potassium, sodium, calcium, and phosphorus are all found to be in permissible range except one sample in the village Kuria in which Na percentage was found in doubtful category. The other parameters like sodium adsorption ratio, SAR (1.17-2.74), residual sodium carbonate, RSC (-4.46 to -1.07), and soluble sodium percentage, SSP (63.97-28.15) were also found below the permissible limit.

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