Herbicide and Nutrient Transport from an Irrigation District into the South Saskatchewan River
A. J. Cessna*,a,
J. A. Elliottb,
L. Tollefsonc and
W. Nicholaichukd
a Agriculture and Agri-Food Canada, Lethbridge Research Centre, Lethbridge, AB, Canada
b National Water Research Institute, Saskatoon, SK, Canada
c Prairie Farm Rehabilitation Administration, Canada-Saskatchewan Irrigation Diversification Centre, Outlook, SK, Canada
d National Water Research Institute, Saskatoon, SK, Canada

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Fig. 1. Map of the South Saskatchewan River District #1 showing sampling sites on the 1C and 9A drainage ditches, and quarter sections of land that could potentially be flood irrigated and drained by these ditches.
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Fig. 2. Daily drainage water flows past the 1C-South, 1C-River, and 9A-River sampling sites during the 1995 growing season. Data gaps for the 9A drainage ditch indicate periods when flow ceased completely. The total volume of flow past each sampling site from 31 May to 28 September is presented in a box in the respective plots. Rainfall for the sampling period is presented in the plot for the 1C-South sampling site.
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Copyright © 2001 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.