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![]() Washington DC (SPX) Aug 08, 2016 Excess nitrogen from agricultural runoff can enter surface waters with devastating effects. Algal blooms and fish kills are a just a couple of possible consequences. But riparian buffer zones - areas of grasses, perennials, or trees - between farmlands and streams or rivers can help. "Riparian buffer zones are nature's hydraulic shock absorbers," says Deanna Osmond, a soil scientist at North Carolina State University. They can reduce pollution and provide habitat for wildlife. Trees can hold strea ... read more ![]() |
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