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Repurposed Sand Pits

 
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Anyone have an pinion on repurposing exhausted sand borrow pits by filling them with HugelKultur material.
There are a couple in my area and I believe they can be purchased relatively cheap,
They stop using them when the reach the water table, so I was basically thinking of making a giant 8 acre "Jack Spirco quote" "woody bed" seems to me it could be filled up for free or even at a profit buy charging or offering a plant matter only type of land fill as an educational local community project. Lawn clippings, leaves, tree branches, trees! Storm clean up as long as its natural plant material. No construction junk. Eventually it would be about 30 feet thick and 8 acres in size.

Reasonable idea? Or an I just nuts?

 
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Hi Sam,

Interesting thought, can't wait to here what those here think. The biologist in me thinks it probably won't work just because of the size. If you get that much "bio mass" and that much water, (or water table) together with a large quantity of decaying wood pulp, and other organic matter you are making a giant "bio digester," and we all know what comes out of them...

However, maybe that is a good thing? You could have green houses that are heating by the methane and the created top soil may function. I just don't know? The mass rations just don't seem to work in my head... Hope I am wrong and you could make it work. Maybe bring down the scale? Level the bottom of the pit and manage the water table somehow? Aquaculture perhaps?

Good Luck.
 
Sam Cook
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Thanks!
I can see that, I guess it wouldn't have to be completely filled to the top, maybe recessed like a basin. That would probably work out great with the aquaculture suggestion.

 
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