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Sustainability 2015, 7(8), 10115-10134; doi:10.3390/su70810115

Evaluating Effects of Poultry Waste Application on Phosphorus Loads to Lake Tenkiller

1
Department of Environmental Engineering, Andong National University, Andong 760-748, Korea
2
Department of Rural Construction Engineering, Kongju National University, Yesan 340-702, Korea
3
Department of Agricultural and Biological Engineering, Purdue University, West Lafayette, IN 47907-2093, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Marc A. Rosen
Received: 13 May 2015 / Revised: 13 July 2015 / Accepted: 14 July 2015 / Published: 29 July 2015
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Abstract

Lake Tenkiller located in Oklahoma, USA is a large midcontinent reservoir in a eutrophic state due to excess phosphorus (P) loads. Poultry waste application within the Illinois River Watershed in northeast Oklahoma and northwest Arkansas has been identified as a major contributor to overall P loads within Lake Tenkiller. In this study, Groundwater Loading Effects of Agricultural Management Systems (GLEAMS) was applied to evaluate the effect of poultry waste application on P loads to Lake Tenkiller. Historical P loads to Lake Tenkiller during 1951–2000 have increased from approximately 166,000 kg/year to more than 295,000 kg/year with the Illinois River at Tahlequah subwatershed increasing from 68% to 78% of total P loads over that period. Increased poultry waste application based on poultry growth rates could increase P load to Lake Tenkiller from 311,000 kg/year to more than 528,000 kg/year. Cessation of poultry waste application and addition of buffers along streams could reduce P loads to approximately 92,000 kg/year for cessation of poultry waste application alone and about 89,000 kg/year for cessation of poultry waste application with buffers. One possible strategy to reduce P load to Lake Tenkiller is to cease applying poultry waste application, especially in the portion of the Illinois River above the Tahlequah USGS gage station. View Full-Text
Keywords: Lake Tenkiller; Illinois River Watershed; Groundwater Loading Effects of Agricultural Management System (GLEAMS); poultry waste application; nonpoint source pollution Lake Tenkiller; Illinois River Watershed; Groundwater Loading Effects of Agricultural Management System (GLEAMS); poultry waste application; nonpoint source pollution
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Jeon, J.-H.; Park, C.-G.; Engel, B.A. Evaluating Effects of Poultry Waste Application on Phosphorus Loads to Lake Tenkiller. Sustainability 2015, 7, 10115-10134.

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