ABSTRACTThis paper presents the results of the statistical analysis of microbiological, physical and chemical parameters related to the quality of the water used in rice fi elds in Southern Brazil. Data were collected during three consecutive crop years, within structure of a comprehensive monitoring program. The indicators used were: potential hydrogen, electrical conductivity, turbidity, nitrogen, phosphorus, potassium, calcium, total and fecal coliforms. Principal Component and Discriminant Analysis showed…
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