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INDONESIA
Jurnal Penelitian Hasil Hutan
Published by Badan Penelitian dan Penegembangan Kehutanan
ISSN : 02164329     EISSN : 24428957     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management
Arjuna Subject : -
Articles 1,559 Documents
 33   34   35   36   37 
PENGAWETAN SEPULUH JENIS KAYU DARI DAERAH LAMPUNG DENGAN METODE DIFUSI Pipin Permadi; Barly Barly
Jurnal Penelitian Hasil Hutan Vol 9, No 1 (1991): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3938.523 KB) | DOI: 10.20886/jphh.1991.9.1.34-37

Abstract

The penetration of wood preservative of ten wood species from Lampung was studied. The observation was conducted after the timber had been preserved by diffusion method. The BFCA 30% and wood samples of 6 cm by 10 cm by 200 cm were used in this experiment. The results showed that wood species has significant effect on penetration, while duration of diffusion storage period has the same effect only on keruing, damar asam, balam and cengal banglai. Eight weeks of storage was better than 4 weeks on those timber, but not for the other species. According to IUFRO classification, pulai kayu tabu and bintangur can be classified as permeable, while the others were classified as moderate.
SIFAT PEMESINAN BEBERAPA JENIS KAYU DARI DAERAH KALIMANTAN BARAT DAN JAWA BARAT Osly Rachman; Jamal Balfas
Jurnal Penelitian Hasil Hutan Vol 6, No 3 (1989): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5526.847 KB) | DOI: 10.20886/jphh.1989.6.3.187-198

Abstract

Machining  properties   of  16  wood  species  from   West Kalimantan   and  West Java has been  identified   using the  modified  ASTM   D-1666  which  was described  in the  Forest  Products   Research  Institute  Report   No.  160  (1982).   The  samples (25 pieces/species)    were dried  to  equilibrium   moisture   content   condition   (15  to  18% of MC).  The  machining  properties tested  are planing,  shaping,   boring,  turning  and  sanding.Seven  species  that  have  good   to  very  good  machining  properties   are  kenari  I, kenari II,  kemayau,   belangeran,  ki sampang,  ki  endog  and  surian  bawang.   The  best  machining properties,   however,   were  found   on johar,  gadog and putat. Whereas the  other  species  are good  or  very good  in some  properties   and  fair or  even poor  in others,
ARANG DAN CUKA KAYU : PRODUK HASIL HUTAN BUKAN KAYU UNTUK MENINGKATKAN PERTUMBUHAN TANAMAN DAN SERAPAN HARA KARBON Sri Komarayati; Gusmailina Gusmailina; Gustan Pari
Jurnal Penelitian Hasil Hutan Vol 31, No 1 (2013): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4587.22 KB) | DOI: 10.20886/jphh.2013.31.1.49-62

Abstract

Arang dan cuka kayu merupakan sumber karbon yang dihasilkan dari proses karbonisasi, dan multi manfaat untuk digunakan sebagai pemacu pertumbuhan maupun meningkatkan serapan hara karbon. Tulisan ini menyajikan hasil penelitian uji coba arang dan cuka kayu terhadap media tumbuh anakan sengon, jabon dan pohon penghasil gaharu selama enam bulan di kebun penelitian. Tujuan penelitian adalah untuk mengetahui respon pertumbuhan anakan sengon, jabon dan pohon penghasil gaharu, mengetahui kandungan karbon, nitrogen, fosfor dan kalium dalam tanah dan dalam biomasa tanaman setelah diberi arang dan cuka kayu. Penambahan arang dilakukan dengan cara mencampurkan arang dan tanah secara merata, sedangkan cuka kayu disiramkan pada tanah. Untuk pemeliharaan tanaman, dilakukan penyemprotan cuka kayu pada batang, tangkai dan daun. Hasil penelitian menunjukkan bahwa penambahan arang dan cuka kayu pada media tumbuh anakan sengon dapat meningkatkan pertumbuhan tinggi tanaman sebesar 127% dan 208%, untuk diameter 109% dan 129%. Pada tanaman jabon, penambahan arang dan cuka kayu dapat meningkatkan pertumbuhan tinggi sebesar 117% dan 142%, untuk diameter 166% dan 128%. Sedangkan pada pohon penghasil gaharu belum kelihatan pengaruhnya, karena masih memerlukan waktu yang lebih lama untuk tanaman tersebut beradaptasi. Arang dan cuka kayu dapat meningkatkan serapan hara karbon dalam tanah dan biomas. Selain karbon (C), unsur hara N, P dan K juga meningkat.
PENGAWETAN DUA JENIS KAYU IRIAN JAYA MEMAKAI BAHAN PENGAWET KOPPER FORMULA 7 SECARA RENDEMAN DINGIN Sasa Abdurrohim; R Endahwati; S B Husodo
Jurnal Penelitian Hasil Hutan Vol 9, No 1 (1991): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (15979.048 KB) | DOI: 10.20886/jphh.1991.9.1.38-42

Abstract

The penetration of wood preservative of ten wood species from Lampung was studied. The obaervation was conduct- ed afier the timber had  been preserved by diffusion method. The BFCA 30% and wood •mples  of 6 cm by 10 cm by 200 cm were used in this experiment.The  results showed that wood .species  haB  significant effect  on penetration,  whi'le duration of  di/fusion storage period haB  the mme  effect  only on keruing, damar a8Clm,  balam and cengal banglai.Eight weeks of storage was better than 4  weeks on those timber,.  but not for the other species. According to IUFRO clasBifieation,pulai. kayu tabu and bintangur can be clasBifiedas permeable, while the others were classified aB  moderate
KEEFEKTIFAN CAMPURAN GARAM TEMBAGA-KHROMIUM- BORON TERHADAP RAYAP DAN JAMUR PERUSAK KAYU Barly Barly; Neo Endra Lelana; Agus Ismanto
Jurnal Penelitian Hasil Hutan Vol 28, No 3 (2010): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2094.562 KB) | DOI: 10.20886/jphh.2010.28.3.222-230

Abstract

Tujuan penelitian ini adalah mengevaluasi toksisitas formula garam tembaga-khromium-boron terhadap serangan rayap dan jamur perusak kayu. Dalam penelitian ini digunakan bahan kimia kualitas teknis. Hasil pengujian menunjukkan bahwa bahan pengawet yang digunakan sangat efektif mencegah serangan rayap tanah Coptotermes curvignathus Holmgren dan rayap kayu kering Cryptotermes cynocephalus Light. Keefektifan ditunjukkan oleh tingkat mortalitas rayap 100% pada konsentrasi 1% dan retensi lebih dari 5,30 kg/m3. Namun demikian terhadap jamur pelapuk kayu Schizophyllum communekonsentrasi efektif diperoleh pada larutan 7,5% dan retensi di atas 30 kg/m3.
DEKOMPOSISI DAUN DAN RANTING MANGIUM DAN EKALIPTUS OLEH DELAPAN ISOLAT FUNGI PELAPUK Djarwanto Djarwanto; Sihati Suprapti; Ridwan Achmad Pasaribu
Jurnal Penelitian Hasil Hutan Vol 27, No 4 (2009): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2009.27.4.303-313

Abstract

Studi dekomposisi daun dan ranting mangium (Acacia mangium) dan ekaliptus (Eucalyptus sp.) yang disterilkan, menggunakan delapan isolat fungi pelapuk yaitu HHBI-204 (Schizophyllum commune), HHBI-302, HHBI-341, HHBI-346-350, dan diinkubasikan selama 30 hari secara laboratoris. Tingkat degradasi contoh uji dievaluasi berdasarkan perubahan kandungan karbon organik, nitrogen total, kadar unsur hara, dan kapasitas tukar kation (KTK). Hasilnya menunjukkan bahwa inokulasi fungi berpengaruh terhadap kandungan kimia contoh uji tersebut. Nisbah C/N berkisar antara 24,3-33,4 (untuk mangium) dan 19,5-27,6 (untuk ekaliptus). Nisbah C/N yang rendah dijumpai pada mangium yang diinokulasi HHBI-341, HHBI-346 dan HHBI-350 yaitu masing-masing 25,9; 25,0 dan 24,3; dan pada ekaliptus yang diinokulasi HHBI-302, HHBI-341, HHBI-346 dan HHBI-350 berturutturut yaitu 20,1; 19,8; 19,5 dan 20,9. Pada mangium, kandungan unsur hara berkisar antara: N 0,52-0,86%; P 0,32-0,38% dan K 0,16- 0,21%. Pada ekaliptus, kandungan unsurnya berkisar antara: N 0,66-0,94%; P 0,32-0,38% dan kadar K 0,2-0,30%. Nilai KTK contoh uji masing-masing adalah 23,48 - 28,71 me/100 g (mangium) dan 25,73 - 29,11 me/100 g (ekaliptus).
PENGARUH TINGKAT IRADIASI TERHADAP SIFAT FISIS DAN MEKANIS KAYU KARET YANG DIIMPREGNASI DENGAN POLIESTER STIREN Bakir Ginoga; B Sipayung S; Karnasudirdja Karnasudirdja; Suyitno Suyitno
Jurnal Penelitian Hasil Hutan Vol 1, No 4 (1984): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (11635.342 KB) | DOI: 10.20886/jphh.1984.1.4.1-7

Abstract

 The  effect of irradiation level i.e.  two megarad (20 KGy), four  megarad (40 KGy) and six megarad (60  KGy) pre impregnated with polyester styrene was investigated on  rubber wood  (Hevea brasiliensis Muell.  Arg.). The samples were obtained from  locally cultivated rubber trees at  Jasinga subdistrict, Bogor, West Java. The treated wood properties tested include airdry density, hardness, compression parallel to the grain, compression perpendicular to the grain and impact bending strength, using the method described in ASTM D 143-52 (Anom., 1976).  The swelling and shrinkage test specimen was 5.0 cm x 5.0 cm x 1.5 cm block and of 5.0 cm x 5.0 cm x 3.5 cm for water absorption determination.The test results revealed that irradiation treatment were highly significantly increase density, hardness, compression parallel to the grain and compression perpendicular to the grain, but  decrease swelling, shrinkage and  water absorption. Meanwhile, shrinkage and swelling on radial direction, and impact bending strength showed non-significant difference (P  ≥ 0.05).It is also concluded that irradiation of two megarad (20 KGy) increase the density, hardness, compression parallel to the grainand compression perpendicular to the grain by one and half  fold compared to untreated specimens. On the other hand, water absorption, swelling and shrinkage for tangential direction decrease to about the same magnitude when treated with the same level of irradiation compared to untreated ones.Impact bending strength showed non-significant difference for all treatment levels.
DAMPAK PEMBALAKAN BERWAWASAN LINGKUNGAN (PBL) TERHADAP KERUSAKAN TEGAKAN DAN BIAYA PENYARADAN DI HUTAN PRODUKSI ALAM Sona Suhartana
Jurnal Penelitian Hasil Hutan Vol 20, No 4 (2002): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5919.957 KB) | DOI: 10.20886/jphh.2002.20.4.285-301

Abstract

This paper deals with the results of study on implementing reduced impact logging (RIL) as well as conventional logging (CL), which was carried out in natural production forest under the concession operation of a forest company in Riau in 2001. The aim of this study was to assess the effect of reduced impact logging on possible improvement or securing the stand damage, level of ground exposure, top soil displacement, and cost related skidding productivity.The data collected in this regard were the number of felled trees (stands), number of trees with the diameter of 20 cm or greater, number of damaged trees and poles, ground exposure, top soil displacement, skidding cost, and skidding productivity. The data as such consisted of two main categories, i. e. the one and the other one that resulted consecutively from the implementation of RIL and CL systems. The two-category data were analyzed with respect to their possible differences using at-test.Results of study revealed that the implementation of RIL system brought out more convenient impacts in comparison to the CL, as follows: (1) Level of tree (stand) damage would decrease by about 5.4% (highly significant); (2) Ground exposure decreased by around 9 percent (significant); (3) the decrease in top soil displacement by about 2.4 mm (highly significant); (4) Skidding cost decreased by some Rp 398.98 per m3. With respect to skidding productivity using RIL (compared to CL), there was apparently an increase by about 2.6 m3 per hour. However, such an increase was not significantly different.Based on environmental, technical and economical considerations, the RIL system for future logging operation can be recommended in preference to the CL.
PENGAWETAN TUJUH JENIS KAYU SECARA RENDAMAN DINGIN DENGAN BAHAN PENGAWET IMPRALIT 16 SP DAN IMPRALIT CKB Sasa Abdurrohim
Jurnal Penelitian Hasil Hutan Vol 14, No 10 (1996): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (7608.198 KB) | DOI: 10.20886/jphh.1996.14.10.467-479

Abstract

Tujuh jenis  kayu dalam keadaan kering udara berukuran 5 x 5 x 50 cm, diawetkan dengan proses rendaman dingin menggunakan bahan pengawet lmpralit 16 SP dan  lmpralit CKB. Lama rendaman dingin yang digunakan 3 dan 5 hari dengan  konsentrasi  larutan 5 % dan 10 %. Hasil penelitian menunjukkan bahwa dari tujuh jenis kayu yang diieliti, dua jenis, yaitu sengon  dan tusam, dapat diawetkan bahan pengawet  Impralit 16 SP dengan kondisi yang digunakan dalam penelitian ini, sedangkan Lima jenis kayu lainnya, yaitu damar, gmelina, rengas, sumpung dan suren, tidak ada yang mencapai persyaratan yang ditentukan. Dengan bahan pengawet  Impralit CKB hanya  berhasil baik pada satu jenis  kayu, yaitu pada kayu tusam. Bahan pengawet lmpralit 16 SP dengan konsentrasi 10 % dan lama perendaman masing-masing 5 hari dan 3 hari hanya dapat digunakan mengawetkan kayu sengon dan tusam yang dipasang di bawah atap tanpa berhubungan dengan tanah. Kayu tusam yang digunakan di bawah atap dan di udara terbuka tanpa berhubungan dengan tanah dapat diawetkan bahan pengawet lmpralit CKB masing-masing dengan konsentrasi 5 %  dan 10 %  selama 5 hari dan 3 hari.
ANALISIS HARGA KAYU LAPIS TERHADAP NEGARA PESAING : Kasus Malaysia (A Price Analysis of Plywood on Competitor Country : Case of Malaysia Rachman Effendi
Jurnal Penelitian Hasil Hutan Vol 11, No 4 (1993): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6622.195 KB) | DOI: 10.20886/jphh.1993.11.4.157-162

Abstract

Nowadays,  the role  of timber industry in Malaysia becomes more important. The rapid growth of timber industry can be illustrated by the increase  of the production  level of plywood and veneer. An annual increase of plywood production  since 1960 to 1988  was 1,519 %   The  increase  of plywood  production  is facing  a  number  of problems  such  as  decreasing in supply  of logs,  furher processing  of log is still undeveloped,  competition from  non wood materials such as steel,      concrete,  alumunium  and plastic,. Also price competition with  competitor countries such  as Indonesia and Philippine.   The objectives of this paper  is to study  the timber industry development,  especially  plywood industry and economic factors  which influenced Malaysia's plywood price where. a multiple regression analysis was used to analyze the plywood price.The results of the analysis shows that export price of plywood from  the competitor countries especially indonesia  and Philippines has influenced very significantly to the price fluctuation of Malaysia plywood.  It explained up to 88  % of the price fluctuations.  the remaining  12  %   is  explained  by some  other factors.   In  other  words,  the  competitions  price   is the  most prominant factor   in determining  the price fluctuation of Malaysian plywood.

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