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Re: [nafex] aspen for fertilizer

You are probably referring to a letter in Pomona back in '93 or so, I will try to remember to check. It was written by Céline Caron (no relation) from Quebec Province. Her remarks were along the line you suggested. The material is referred to as ramial wood chips or cuttings and are harvested from young poplar (aspen), and used as mulch. The value is in the size of the young trees that are chipped having different properties than older wood. There is something about the ratio of young bark to wood and the nutrients and (maybe proteins?) included in this material. This makes it a nutrient mulch which produced superior growth when compared to ordinary mulches.
The article was interesting to me at the time and I've always wanted to try it, especially when my sons started a tree pruning and chipping service. If someone wants to do this, you need a stand of poplar seedlings. These are very quick growing and if parent trees are around a planting can be maintained. An observation worthy of speculation is that poplar seedlings often crop up in burnt areas. This might mean that a liberal application of wood ash could make a poplar planting easier to establish possibly by reducing competition from less tolerant plants.
I will TRY to remember to research the article and dates when I go home tonight. If it's before you were a member, I can copy it and snail mail it.
vic NH zone 3

del stubbs wrote:

Sometime in the misty past I read a study of using small aspen trees  (up to
8'tall), sending them through a chopper and using it for some kind of green
manure mulch. I cant remember if it was plowed under or put around trees as
a nutrient rich mulch.
The idea was to use very young trees while in leaf, that if cut then they
add nutrition to the soil rather than deplete it. The study spoke of
remarkable results on growing trees.
I'm presently clearing some "pople brush" that just fits the description.
And intend to use it somehow.

I believe the study came out of Quebec, any one heard of it?
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