We are trying to make a Jean Pain structure from wood chips from the mill - i.e. only the inner wood of logs, not arbourist chips (that contain the small twigs and leaves too). We layered it with long grass cuttings to be a starter, but have found that it got hot for a week or two, but is not retaining the heat longer-term, and the wood chips themselves are not getting hot. Are we trying to do the impossible? Will mill wood chips ever compost, or do you need to do the slow work of mulching your own arbourist chips? Can't easily get them for free or money in our area, but mill chips are readily available cheaply, as it sawdust.
Annie, this is possible but it will take a lot of nitrogen inputs and some time.
I would recommend layering such as; wood chip base, green layer twice as thick as base, wood chip layer same as base. repeat till as high as you want it.
If you can get manure, spent coffee grounds, grass and other greenery, you can blend these together for the green layers.
Urine, as mentioned is also very good for getting a pile of wood chips heating well.
Spent coffee grounds can be used in a blend, or just added as a layer or even just sprinkled on top and left to work their way down.
Manure teas are also a good way to get nitrogen and other nutrients into a pile of wood chips.
Don't forget to add any fungi you find or have on hand, they will do their job and help any plants you decide to add grow nicely.
buy a bag of oyster sawdust spawn. mix it in your sawdust . cover w/ a 2-3in. layer of straw . keep it moist. the mycelium will compost your chips very quickly and you will get mushrooms to eat as a bonus! if you have conifer sawdust, use phoenix oysters. for hardwood the white, blue and yellows will do. if its in a sunny location, make a leanto out of a tarp for shade. if no shade the my celium will still compost for you but won't fruit. good luck!
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