Forestry and wood energy

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Woodcutter
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by Woodcutter » 21/09/06, 21:31

Ben .... : Shock: a young tree is far from its adult size and grows very quickly. It has a more "slender" and threadlike aspect than the classic habit of the species, especially in a fairly closed forest environment.

A mature tree approaches the average size of its species in the environmental conditions in which it is installed. It does not grow much higher and instead extends its crown if it has the place to do so. Only the growth in diameter of its framework continues quite markedly.

Do you know TCR and TTCR?

http://www.inra.fr/presse/produire_du_bois_energie
http://www.biomasse-normandie.org/bois_ ... fiche=2141

In this type of "tree culture", fast growing species are harvested with fairly short cycles (a few years) and produce much more than a "normal" forest.
So it is true that it is an extreme case, but it is just to show you that it is the "young" woodlands which fix the most CO2, since they are the ones which produce the most wood brought to the surface. .

Maybe Snow Tiger can say more about this than I do, by the way?
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Philippe Schutt
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by Philippe Schutt » 22/09/06, 08:54

ok, they shake the trees to the max. that's why there is more wood production.
and it's not a replacement for forests, it's more :)
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by Woodcutter » 22/09/06, 09:39

As said above, this is an example of a borderline case for illustration purposes, nothing more.
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by Philippe Schutt » 22/09/06, 22:47

and if we have too much wood, we could always fill the old coal mines again.
good, ok, it will not happen, especially if the gulf-stream stops. :|
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by Targol » 22/09/06, 23:15

Philippe Schutt wrote:and if we have too much wood, we could always fill the old coal mines again.

Be careful, a rotting wood can transform the CO2 it has stored into Methane which is much more "greenhouse effect" : Wink: that the CO2
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by denis » 23/09/06, 08:49

Targol wrote:
Philippe Schutt wrote:and if we have too much wood, we could always fill the old coal mines again.

Be careful, a rotting wood can transform the CO2 it has stored into Methane which is much more "greenhouse effect" : Wink: that the CO2


What is the permanent case of swamps :!:
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by Philippe Schutt » 23/09/06, 18:54

excellent! in the mines it does not disperse, it could be recovered fairly easily.
but it's a dream, it should be able to put astronomical quantities.
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by denis » 23/09/06, 21:41

Philippe Schutt wrote:excellent! in the mines it does not disperse, it could be recovered fairly easily.
but it's a dream, it should be able to put astronomical quantities.

the holes to butcher are also astronomical !!!!
remains the bp of manpower.
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by chatelot16 » 15/09/12, 14:50

Woodcutter wrote:Ben .... : Shock: a young tree is far from its adult size and grows very quickly. It has a more "slender" and threadlike aspect than the classic habit of the species, especially in a fairly closed forest environment.

A mature tree approaches the average size of its species in the environmental conditions in which it is installed. It does not grow much higher and instead extends its crown if it has the place to do so. Only the growth in diameter of its framework continues quite markedly.

Do you know TCR and TTCR?

http://www.inra.fr/presse/produire_du_bois_energie
http://www.biomasse-normandie.org/bois_ ... fiche=2141

In this type of "tree culture", fast growing species are harvested with fairly short cycles (a few years) and produce much more than a "normal" forest.
So it is true that it is an extreme case, but it is just to show you that it is the "young" woodlands which fix the most CO2, since they are the ones which produce the most wood brought to the surface. .

Maybe Snow Tiger can say more about this than I do, by the way?


these remarks are interresting! pity that links do not work anymore

I see very close plantings made near my home by the nave: they let a few years grow, then they cut everything they do not like by letting the best trees grow

it's a huge amount of wood from the first year that is left to rot on the spot

when there will be a greater consumption of wood chips this wood can be crushed and sold, leaving only what is needed to maintain the soil

but currently the price of wood chips sold by a sawmill that crushes its falls is lower than the price of renting a crusher to recover this wood!

the most useful way to move in this direction is first to build good boiler plate ... and then to build cheap grinders
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by Ahmed » 16/09/12, 13:17

Chatelot16, you write:
when there is a greater consumption of wood chips, this wood can be crushed and sold, leaving only the right amount of soil maintenance

The operation, involving a limited volume of wood and an environment unfavorable to mechanization (thinning of young coppice hardwoods) is very hypothetical, as you note yourself.
In addition, there is a very unscientific assertion: how can we estimate the amount sufficient for the maintenance of the soil, especially as the economic parameter gets involved?

Further:
The most useful way to move in this direction is first to build good plate boilers ... and then to build cheap shredders.

The platelet boiler is a substitute solution rather than a real solution, but it remains an interesting practice in some cases because of the correct combustion of the fuel; as for the grinders, if their prices went down, it would encourage this type of heating, probably well beyond reasonable, but above all, by exacerbating competition, put pressure on the prices of the wafer and ... decrease the profitability of the operation : what would be gained on one side would be lost on the other.
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