Table 2 Canal water quality ratings obtained from farmers survey in the study area.

From: Hydro-chemical profiling and contaminant source identification in agricultural canals using data driven clustering approaches

Questionnaire Item

Farmers Ratings

Mean

Standard deviation*

Water appearance rating of farmers for pre-rainfall period

3.684

0.639

Water appearance rating of farmers for during-rainfall period

3.114

0.844

Water appearance rating of farmers for post-rainfall period

3.231

0.814

Water smell rating of farmers for pre-rainfall period

3.753

0.689

Water smell rating of farmers for during rainfall period

3.526

0.701

Water smell rating of farmers for post-rainfall period

3.716

0.857

  1. Ratings for smell and appearance of canal water on the scale: ‘bad’ (= 1); ‘poor’ (= 2); ‘adequate’ (= 3); ‘good’ (= 4), and ‘excellent’ = (5),
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