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Table 4

Salinity and alkalinity hazard of irrigation water in US salinity diagram

ClassificationSAR/ECSample numbersSample no.Percentage of samples
C2S1 SAR-Low 4, 7, 9, 10, 13, 16, 18, 20, 22, 26, 27, 28 21 47.5 
EC-Medium 29, 30, 34, 35, 37, 38, 40, 41, 43 
C3S1 SAR-Low 2, 3, 5, 6, 8, 12, 14, 17, 19, 21, 23, 24, 25 21 47.5 
EC-High 26, 31, 32, 33, 36, 39, 42, 44, 45 
C3S2 SAR-Medium 11 1.50 
EC-High 
C3S3 SAR-High 1, 15 3.50 
EC-High 
Total   45 100 
ClassificationSAR/ECSample numbersSample no.Percentage of samples
C2S1 SAR-Low 4, 7, 9, 10, 13, 16, 18, 20, 22, 26, 27, 28 21 47.5 
EC-Medium 29, 30, 34, 35, 37, 38, 40, 41, 43 
C3S1 SAR-Low 2, 3, 5, 6, 8, 12, 14, 17, 19, 21, 23, 24, 25 21 47.5 
EC-High 26, 31, 32, 33, 36, 39, 42, 44, 45 
C3S2 SAR-Medium 11 1.50 
EC-High 
C3S3 SAR-High 1, 15 3.50 
EC-High 
Total   45 100 
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