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Findings suggested that manure was, at most, a secondary source of nitrogen and phosphorus in those watersheds. They also found that nutrient levels ascribed to manure were relatively constant during the simulation period between 2005 and 2019, despite variation in precipitation.
Breaking News, Sports, Manitoba, Canada
CALGARY - Nearly a century after the mass agricultural disaster known as the Dirty '30s, drought conditions on the Prairies are once again raising the risk that farmers' valuable topsoil will go blowing in the wind.
In Lethbridge County, dry and windy conditions have been known to stir up dust clouds, obscuring the vision of drivers on local roads and filling irrigation canals to the brim with dirt.
Across southern Alberta, severe erosion events have been increasing in frequency and severity in recent years.