Assessment of manure phosphorus export through turfgrass sod production in Erath County, Texas

Journal of Environmental Management
C L MunsterA McFarland

Abstract

A best management practice (BMP) for exporting manure phosphorus (P) in turfgrass sod from the North Bosque River (NBR) watershed in central Texas was assessed using a geographic information system (GIS). The NBR watershed has a mandate to reduce the total annual P load to the NBR by 50% as a result of total maximum daily load regulation. Since dairy waste applications to fields are identified as the major nonpoint source of P to the river, innovative BMPs, such as export of manure P in turfgrass, will be needed to achieve the 50% reduction. However, methods are needed to evaluate the feasibility of these innovative management practices prior to their implementation. A geospatial database of suitable turfgrass production sites was developed for Erath County using GIS. Erath County largely encompasses the upper portion of the NBR watershed. Information from field experiments, production practices, and ground-truthing was used to search, analyze, and verify a geospatial database developed from national and regional sources. The integration and analyses of large databases supports the search by turf producers for sites suitable for turfgrass sod production in Erath County. In addition, GIS enables researchers and regulators to est...Continue Reading

References

Aug 15, 2002·Journal of Environmental Quality·J E GaudreauC L Munster
Apr 21, 2004·Journal of Molecular Biology·N WickI Vietor

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Citations

Feb 15, 2007·Journal of Environmental Management·C E RichardsR White
Dec 18, 2007·Psychiatry and Clinical Neurosciences·Michihiko YamasatoTakashi Asada

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