5’ Soil Backfill Trench bottom 1’ Below tile invert 20’ section oftile Length dependenton treatmentarea Diversion Structure Capacity Control Structure Woodchips Bioreactors for the Bioreactors for the Reduction of Nutrient Reduction of Nutrient Transport Transport
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Bioreactors for the Reduction of Nutrient Transport.
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5’ Soil Backfill
Trench bottom 1’ Below tile invert
20’ section of tile
Length dependent on treatment area
DiversionStructure
CapacityControlStructure
Woodchips
Bioreactors for the Bioreactors for the Reduction of Nutrient Reduction of Nutrient
TransportTransport
Why Bioreactors ? Proven technology
Requires no modification of current practices
No land taken out of production
No decrease in drainage effectiveness
Very low maintenance
Estimated life - 15 to 20 years
Cost effective
CapacityControlStructure
5’ Soil Backfill
Woodchips
Trench bottom 1’ Below tile invert
20’ section of tile
Length dependent on treatment area
DiversionStructure
Second Generation Bioreactors
Capacity controlstructure
Up
to
so
ilsu
rfac
e
Side View
Trench bottom 1’ below tile invert
5’ section of non-perforated tile
Length dependent on treatment area
Diversionstructure
Top View
5’ Soil backfill
10’ W
ide
Third Generation BioreactorsThird Generation Bioreactors