Evaluation on Utilization Potential of Melaleuca cajuputi Powell By Somchai Benjachaya Tawat Jurayut...
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Transcript of Evaluation on Utilization Potential of Melaleuca cajuputi Powell By Somchai Benjachaya Tawat Jurayut...
Evaluation on Utilization Potential of
Melaleuca cajuputi Powell
By Somchai Benjachaya
Tawat JurayutPhornphimon Amornchot
Laksamee SuthiwilairatanaCharat Chuayna
Bounsong SompohWichit Sonthivanit
Royal Forest Department
Material and Method
Material and Method
• Surveying of local utilization• Air seasoning• Basic characteristics• Lumbering• Wood working• Plywood manufacturing• Charcoal production
Results and Discussion
Results and Discussion
• Data surveying : Sampling of t est logs
• Defect of lumber : Density, Specific gravity
• Air seasoning : Lumbering• Wood working : Wood carving• Plywood manufecturing : Charcoal production
General Data
• Local people ut ilization by size a
nd age of M. cajuputi
• Wood Preservat ive by local peop
le
• Bark of M. cajuputi usage
• Leaves of M. cajuputi usage
• Problem of M. cajuputi
• -3Small, dbh 5 ins, for air se
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ur i ng
Sampling of test logs
• Studied M . cajuputi w
as less fung i, insect, an d defects th
an other speci es
• All of knot s were soun d knot
Defects of Lumber
• M. cajuputi density was
-58047. 68259.
kg/m 3 at1 4 .8- 71506.
% MC
• The average specific gravit
05y was .9
Density, Specific gravity
Air seasoning
• Weight of M. cajuputi
decrease 18 8% after
days
• Surface of cross and lo
ngitudinal o f log splitte d continuou
sly.
Lumbering
• By chain s aw altogeth
er circular s aw with rot
or of a plow 362, it was .
5% yield.
• The estim ated price i
s 6 ,0 0 0- 9 000,Baht/m3
Wood working
• M. cajupu ti was eas y for nalin g, screwin g, sawing,
cutting, sa nding, drill
ing, lathin g, and fini
shing
Wood carving
• M. cajuputi was toughne
ss and spiralgrai n
• M. cajuputi was worse th
anTeakwoodb ut better tha
n Rain tree f or carving
• M. cajuputi was difficult
to boil or tra nsfer heat.
• M. cajuputi has spiral gr ain, and uns
ound knot.
• M. cajuputi give low qua
lity and price for plywood.
Plywood manufecturing
Charcoal production
• Local brick b eehive kiln, y
ielded 29.09 %, kilning
time 5.2 days
• Standard RF D brick beehi ve kiln,
yielded 30.76 %, kilning t
ime 2.6 days