use of filters in drainage control structures to reduce the risk associated with manure application...
DESCRIPTION
For more: http://www.extension.org/67605 In livestock producing areas, animal manure is often applied to cropland to enhance soil fertility. Guidelines have been developed for manure application on fields underlain by subsurface (tile) drainage systems. Some of these guidelines, such as avoiding manure application if rain is predicted and not applying manure over a flowing tile, though effective, involve some level of risk. We believe that the level of risk can be reduced by filtering contaminants from the water leaving the drains. The control structures recommended for use with drainage systems underlying fields to which manure is applied, provide ready-made receptacles for filters. In this report we discuss the development and testing of a filter to remove contaminants from lagoon effluent.TRANSCRIPT
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Filters in Tile Drainage Systems to Reduce Risk of Surface Water
Contamination
Stephanie Herbstritt, Annie KwedarDr. Richard Cooke
University of Illinois at Urbana-ChampaignAgricultural and Biological Engineering Department
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problem | design | methods | results | conclusions
Photo thanks to University of Kentucky
Photo thanks to University of Minnesota
Photo thanks to University of Illinois
Liquid Manure ApplicationInjection Manure Application
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problem | design | methods | results | conclusions
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problem | design | methods | results | conclusions
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problem | design | methods | results | conclusions
Thanks to David et. all
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problem | design | methods | results | conclusions
Thanks to David et. all
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problem | design | methods | results | conclusions
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Drainage control structures and inline tile stops are recommended control practices to reduce the risk of a discharge.
The use of inflow and outflow structures for drainage water management practices, provide ready-made
receptacles for filters.
problem | design | methods | results | conclusions
Thanks to Agri Drain
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problem | design | methods | results | conclusions
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problem | design | methods | results | conclusions
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problem | design | methods | results | conclusions
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problem | design | methods | results | conclusions
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CapacityControlStructure
5’ Soil Backfill
Woodchips
Trench bottom at thetile invert level
Length/width dependent on contributing area
DiversionStructure
Section of perforated tile
problem | design | methods | results | conclusions
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Combinationstructure
5’ Soil backfill
Non-perforated tile
Perforated tile
Phosphorus removal chamber
problem | design | methods | results | conclusions
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Solid pipe
Solid pipe
Perforated pipePerforated pipe
Plastic Liner
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problem | design | methods | results | conclusions
• Cost?
• Lifetime?
• Space requirement?
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Acknowledgements Richard CookeAssociate Professor University of Illinois Agricultural and Biological Engineering Department
Laura PeppleLivestock Extension Specialist
Julie HoneggerUniversity of Illinois Agricultural and Biological Engineering DepartmentUndergraduate Assistant
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Thank you!