STABILITAS DIMENSI KAYU MAHANG (Macaranga hypoleuca (Reichb.f.et Zoll.) M.A) BERDASARKAN POSISI KETINGGIAN BATANG DAN SUHU PENGERINGAN
Abstract: This study aims to
determine the effect of stem height position, drying temperature and the
interaction of both factors. factorial experiment method in the Completely
Randomized Design (RAL) it is consists of two factors treatment with three
timer repetitions. Tha’s factor is the Position of the height of the tree trunk
that conret of 3 sub factors namely the base of the stem, the middle of the
stem and the top of the stem. Drying of Temperature consist of 3 sub factors is
550C, 700C and 850C. The average result of the dimension changiry on the
highest radial is in the middle of the stem with the drying temperature 850C is
2.0740% and the lowest is the base of the stem with drying temperature of 700C
is 1.0667%. While the highest tangential of dimension is in the base of the
stem with drying temperature 550C is 2.9598% and the lowest is in the position
of stem with drying temperature 550C is 1.1163%. Based on the research the
position of the height stem and the drying temperature is having the real
effect, on the dimension of the wood with the height of the stem. However the
high of drying temperature is not inflounce no the value of depreciation of
ratio. The best Dimension Stability is on the top of the stem, in the drying
temperature 550C, with the ratio’s result tangensial depriciation 0,87. While
in the dry condition, the lowest ratio’n is in the middle of the stem in 700C
temperature is 0.62. Generally the result shows dimensional of stability with
the ration tangenial of depreciation is
sufficient after drying wood.
Keywords: Dimensional
Stability, Drying Temperature, Height Position of the stem
Penulis: Juheri, Fadillah H
Usman, Ahmad Yani
Kode Jurnal: jpkehutanandd170116
