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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?
> 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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