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Best management practices for a mature karst area

, : Best management practices for a mature karst area. Clean water clean environment 21st century: team agriculture working to protect water resources Volume 3: practices, systems and adoption Proceedings Kansas City, Missouri, USA, 5-8 March 1995: 37-40

Interrupted surface drainage and conduit flow in mature karst terrain causes a rapid and direct connection between surface and groundwater. Nitrate and faecal bacteria concentrations were measured in karst springs in the Greenbrier Hydrologic Unit Area of West Virginia, USA, to determine the impact of grazing agriculture on water quality of the karst groundwater system. There was a strong linear relationship between nitrate concn and the percentage of agricultural land.

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