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RE: [APD] Re:NO3 Management

The soils in wetlands are reducing in most cases. I like the basic idea you 
wrote about but I wonder if water movement through it is fast enough?

Phil Bunch

> Take a shallow tray and put about 1/4 inch of uncooked oatmeal flakes
> on the bottom.  Cover with 1/2 inch to 1 inch of gravel.  Place in
> aquarium.  The oatmeal will become intensely anaerobic, but the
> gravel covering will limit exchange with the water.  If the water,
> itself, becomes cloudy  then you need a deeper gravel layer or a
> smaller tray.   Nitrate that diffuses into the gravel should be
> converted to atmospheric nitrogen by denitrifying bacteria.  The
> question is, how efficiently would such a set-up remove nitrate?
> Only testing will tell.
> --
> Paul Krombholz in soggy central Mississippi, cooling down to below 

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