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Measuring Phosphorus Release in Laboratory Microcosms for Water Quality Assessment
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JoVE Journal Environment
Measuring Phosphorus Release in Laboratory Microcosms for Water Quality Assessment

Measuring Phosphorus Release in Laboratory Microcosms for Water Quality Assessment

DOI:
10.3791/60072-v

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06:42 min

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July 22, 2019

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, ,
1United States Department of Agriculture, Agricultural Research Service (USDA-ARS), Institute for Environmentally Integrated Dairy Management, 2Department of Plant and Soil Science,University of Vermont

Chapters

  • 00:04Title
  • 00:46Sample Equipment
  • 01:43Microcosm Construction
  • 02:55Conducting a Phosphorous Release Trial
  • 04:19Results: Porewater SRP and Floodwater SRP
  • 05:59Conclusion

Summary

Automatic Translation

Automatic Translation

Accurate quantification of phosphorus (P) desorption potential in saturated soils and sediments is important for P modeling and transport mitigation efforts. To better account for in situ soil-water redox dynamics and P mobilization under prolonged saturation, a simple approach was developed based on repeated sampling of laboratory microcosms.

Tags

Keywords: Phosphorus ReleaseLaboratory MicrocosmsWater Quality AssessmentSoluble PhosphorusSaturationBiogeochemical ProcessesSoil/sediment SamplingSievingGravimetric Water ContentMicrocosm SetupDrainage PortsFilter ScreensLeak Testing

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