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Nutrient Mitigation Efficiency in Agricultural Drainage Ditches: An Influence of Landscape Management
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Drainage systems are integral parts of agricultural landscapes and have the ability to intercept nutrient loading from runoff to surface water. This study investigated nutrient removal efficiency within replicated experimental agricultural drainage ditches during a simulated summer runoff event. Study objectives were to examine the influence of routine mowing of vegetated ditches on nutrient mitigation and to assess spatial transformation of nutrients along ditch length. Both mowed and unmowed ditch treatments decreased NO₃ ⁻-N by 79 % and 94 % and PO₄ ³⁻ by 95 % and 98 %, respectively, with no significant difference in reduction capacities between the two treatments. This suggests occasional ditch mowing as a management practice would not undermine nutrient mitigation capacity of vegetated drainage ditches.
Oluwayinka O. Iseyemi
Jerry L. Farris
Matthew T. Moore
Journal title changed from 'Bull Environ Contam Toxicol'
Bulletin of environmental contamination and toxicology 2016 6 v.96 no.6
Journal Articles, USDA Authors, Peer-Reviewed
Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted.
Agricultural Research Service
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