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Open AccessFeature PaperArticle

Assessing the Efficiency of Alternative Best Management Practices to Reduce Nonpoint Source Pollution in a Rural Watershed Located in Louisiana, USA

1
Texas Institute for Applied Environmental Research, Tarleton State University, Stephenville, TX 76402, USA
2
Department of Agricultural Economics and Agribusiness, Louisiana State University (LSU) and LSU Agricultural Center, Baton Rouge, LA 70803-5604, USA
*
Author to whom correspondence should be addressed.
Water 2019, 11(8), 1714; https://doi.org/10.3390/w11081714
Received: 21 June 2019 / Revised: 12 August 2019 / Accepted: 12 August 2019 / Published: 17 August 2019
We conducted biophysical simulations using MapShed to determine the effects of adopting best management practices (BMPs) to reduce nutrients and sediment pollution in a watershed dominated by poultry production in the Saline Bayou Watershed, Louisiana, USA. The reduction of three water pollutants, nitrogen, phosphorus, and sediment from adopting different BMPs were assessed using a linear programming model with the cost minimization objective. We considered three weather scenarios (dry, normal, and wet) and BMP parameter efficiencies obtained from linear regression models. Optimization results showed that nutrient management and agricultural land retirement reduced most of the phosphorus runoff in the watershed at the lowest cost. Results were robust to alternative weather (dry, normal, and wet) scenarios. View Full-Text
Keywords: best management practices; cost minimization; nutrient and sediment reduction; optimization best management practices; cost minimization; nutrient and sediment reduction; optimization
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Pokhrel, B.K.; Paudel, K.P. Assessing the Efficiency of Alternative Best Management Practices to Reduce Nonpoint Source Pollution in a Rural Watershed Located in Louisiana, USA. Water 2019, 11, 1714.

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