TIMBER:
It is defined as:
“TIMBER
IS THE MATERIAL OR PRODUCT OBTAINED WHEN CUT AND MACHINED FROM THE TREES”
PARTS OF Timber:
Generally
there are three parts of a tree i.e.;
1. Roots
2. Stem
3. Branches
PARTS OF TRUNK:
Trunk is said to be the main woody stem of a Tree.
Trunk parts are:
1. Bark:
The protected outside cover of
the trunk located outside is called bark.
2. Annual Rings:
These are also called
the growth rings of the tree. These are actually the marks or positions show
the yearly growth of the trunk.
3. Pith:
The
central or inner part of the trunk.
4. Hearth Wood:
The
wood which is responsible for surrounding the pore of the trunk. Usually dark in color and have little or no
sap.
5. Sap Wood:
Most recent annual rings formed in this portion of the trunk. It is
about 20-50% of the total radius of trunk.
6. Cambium Layer:
Development or growth
area of the trunk is called cambium layer.
7. Xylem:
Transportation
of water is done through this part of wood/trunk.
8. Phyleum:
The inner part of the bark responsible for the transports organic nutrients
to the wood, in case of trees it is Sucrose.
Timber and Parts of Timber |
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