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Lammas Shoots
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Extra whorls of branches or leader growth
extension late in the growing season.
Lateral Bud
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Any bud that develops on the side of a stem.
Layering
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The rooting of an undetached branch, lying on
or partially buried in the soil, which is capable of independent
growth after separation from the parent plant.
Layering Method
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Regeneration of a forest stand using layerings.
Leave Tree
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A tree (marked to be) left standing in an area
where other trees are felled.
Liberation
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see Release
Lift
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A stage in the sawlog pruning regime for a tree; usually
three separate lifts are needed to ensure a cylindrical knotty
core without taper.
Lignin
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A complex organic molecule that acts as the binding substance that holds wood together.
Line Planting
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Setting trees in parallel rows, generally
at regular intervals between and in lines, on land either wholly
or partially cleared. A form of line planting sometimes known
as corridor planting, involves setting a line of trees
in narrow lanes ("corridors") that cut through undergrowth
at more or less regular intervals (sometimes at their final crop
spacing); generally a form of improvement planting or enrichment.
Litter
-
The uppermost layer, the L-layer, of organic debris
on a forest floor, i.e., essentially the freshly fallen or only
slightly decomposed vegetable material, mainly foliate (leaf litter)
but also bark fragments, twigs, flowers, fruits, etc. This and
the less decomposed humus are together often termed duff.
Live-Crown Ratio
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A rough but convenient index of the ability
of a tree's crown to nourish the remaining part of the tree; it
is the percentage of length of stem having living branches.
Log
- a) A piece of the woody stem of a tree.
- b) The trunk of a tree.
Logger
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An individual who cuts or harvests trees.
Lopping
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Chopping branches, tops, and small trees after
felling into lengths such that the resultant slash will lie close
to the ground.
Lopping and Scattering
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Lopping the slash created after
felling and spreading it more or less evenly over the ground without
burning.
Low Thinning
-
see Thinning: low
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