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Water Management Associations
Farm Nutrients Considered Key in Algae
Western Lake Erie basin agriculture can achieve most of the 40 percent reduction goal set for algae-forming nutrients by doing one thing: Convincing more farmers to inject their fertilizers below ground rather than continuing to spread them on the surface.

According to an ongoing research project that involves about 15 Great Lakes scientists and headed by the University of Michigan, cereal rye cover crops and buffer strips also are among the most effective practices at controlling runoff.

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Delavan Lake Dredging Clears Natural Filter - In the late 1980s, Delavan Lake turned into an algae soup by mid-summer that discouraged swimming, clogged boat motors and killed off game fish. Farm and residential development around the lake poured nutrient-rich runoff into the watershed and into the lake. Those nutrients fed the algae blooms. Today, a project to redredge the channel in the narrow inlet which was designed to store and collect the sediment flowing into it before it reaches the open water.

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