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over-irrigation. Commonly used fungicides include benomyl, chloroneb,chlorothalonil <br /> and others. <br /> Fertilizer Contamination <br /> Potential pollution from a golf course is considered to be a non-point source, surface <br /> runoff water and subsurface flow being the major mechanisms of pollution. The variations <br /> and extent of non point sources of pollution are influenced by variations of type of soil, <br /> climate, topography, subsurface geology, land use, land management strategies and <br /> intensity of chemical application(Balough and Walker,1992). For nonpoint pollution,the <br /> greater the volume of water applied,the greater the potential for nonpoint source loading. <br /> Turfgrass managers usually apply sufficient quantities of fertilizers to keep turfgrass in a <br /> high quality condition. When fertilizer contamination is a problem,phosphorous and <br /> nitrogen are the main contributors. Phosphorous contamination is the main nutrient <br /> associated with eutrophication and degradation of water quality. Soluble forms of nitrogen <br /> can find their way into ground water. All of these chemicals are used in the management <br /> of golf courses. <br /> Buckeye Ranch Resource Plan (November, 1993) <br /> 227 <br />