SWEEP (Soil and Water Environmental Enhancement program)

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The Soil and Water Environmental Enhancement Program, or SWEEP, was a Canadian agricultural program administered by Agriculture and Agri-Food Canada, and carried out by the province of Ontario. Designed to examine the effects of tillage on many types of soil, the program ran from 1986 through 1988.

Background[]

The impetus for the program was the Canada-U.S. Great Lakes Water Quality Agreement, calling for a reduction in phosphorus pollution in the Lake Erie basin of 2000 tonnes per year. Canada agreed to reduce phosphorus run-off by 300 tonnes per year—200 from agricultural cropland sources and 100 from industrial and municipal sources by 1990.

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