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Jurnal Penelitian Hasil Hutan

JPHH
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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

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PEMANFAATAN KOMPOS KULIT KAYU MANGIUM UNTUK MEDIA PERTUMBUHAN CENDAWAN MIKORIZA ARBUSKULA DAN BIBIT Acacia mangium Willd. Sihati Suprapti; Erdy Santoso; Djarwanto Djarwanto; Maman Turjaman
Jurnal Penelitian Hasil Hutan Vol 30, No 2 (2012): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Bahan baku yang digunakan dalam penelitian ini adalah kulit kayu mangium yang disterilkan dan tidak disterilkan ditambah aktivator kemudian dikomposkan selama 30 hari. Kompos kulit kayu mangium tersebut digunakan sebagai media tanam cendawan mikoriza dan bibit Acacia mangium. Tingkat degradasi kompos dievaluasi berdasarkan perubahan kandungan karbon organik, nitrogen total, kadar hara, dan kapasitas tukar kation (KTK). Hasilnya menunjukkan bahwa penambahan aktivator pada proses pengomposan kulit kayu mangium menurunkan nisbah C/N masing-masing menjadi 21,90 (disterilkan) dan 25,30 (tidak disterilkan). Penambahan aktivator tersebut dapat meningkatkan unsur hara N 0,82-1,09%, P 0,22-0,36%, dan K 0,36-1,12%, dan meningkatkan nilai KTK 31,3-32,7 me/100 g. Kolonisasi mikoriza pada media tanam kompos kulit kayu mangium, menunjukkan bahwa kompos tersebut dapat digunakan sebagai media tumbuh sekaligus media pembawa cendawan mikoriza. Persentase koloni yang tinggi (45%) dijumpai pada media kulit kayu mangium yang disterilkan, ditambah aktivator yang diinokulasi Glomus sp. Pertumbuhan bibit A. mangium pada media kulit kayu mangium yang disterilkan dan ditambah aktivator cenderung lebih tinggi dibandingkan dengan yang ditanam pada media yang tidak disterilkan. Pertumbuhan bibit tertinggi dijumpai pada media tanam yang diinokulasi Gigaspora sp., sedangkan pertumbuhan diameter batang paling besar terjadi pada media yang diinokulasi Glomus sp.

KARAKTERISTIK BALOK BAMBU LAMINA SUSUN TEGAK DARI BILAH BAMBU ANDONG (Gigantochloa pseudoarundinacea (Steud.) Widjaja) Ignasia Maria Sulastiningsih; Adi Santoso; Krisdianto Krisdianto
Jurnal Penelitian Hasil Hutan Vol 34, No 3 (2016): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

The objective of the study was to determine the effect of various layer compositions on the properties of 3-layer vertically glued laminated bamboo beam (LBB). Bamboo strips for LBB fabrication were prepared from mature culms (± 4 years old) of andong bamboo (Gigantochloa pseudoarundinacea (Steud.) Widjaja) collected from private gardens in West Java. The strips were pre-treated by soaking them in 7% boron solution for four hours. Three-layer LBBs were manufactured with six different layer compositions, including bamboo combination with wood planks of manii (Maesopsis eminii Engl.) or sengon (Falcataria moluccana (Miq.) Barneby & J.W. Grimes) as the core layer. The LBB was manufactured using Water Based Polymer-Isocyanate (WBPI) adhesive. The glue spread and cold pressing time applied were 250 g/m2 and one hour, respectively. Results showed that the average density, moisture content, thickness swelling, and width expansion of LBB were 0.65 g/cm3; 11.1%; 2.09%; and 1.99%, respectively. No delamination occurred in all samples using WBPI adhesive, which indicates high bonding quality. The average bonding strength and percentage bamboo failure (dry test) of LBB were 61.6 kg/cm2 and 90%, respectively. The physical and mechanical properties of LBB were significantly affected by the layer composition. The presence of wood laminates as the core layer of LBB and the cross wide orientation of the core layer decreased mechanical properties of LBB. On the contrary, the presence of cross-layer in LBB structure increased dimensional stability of the produced LBB.Three-layer thick laminated bamboo beam made of vertically glued andong bamboo strips with various constituted layer composition and all constitued layers laminated together in parallel grain direction had strength values comparable to those of class II of solid wood strength, eventhough the core layer was made of sengon or manii planks.

ANALISIS PENGARUH KELEMBAGAAN TERHADAP KEBERHASILAN HTI-TRANSMIGRASI : Studi kasus di daerah Riau Setiasih Irawanti; B D Nasendi; Retno Maryani; Suwidji Basuki
Jurnal Penelitian Hasil Hutan Vol 14, No 6 (1996): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Transmigration-based Timber Estate (TTE) is an effort to combine transmigration programme and Timber Estate development, and it involves many institutions which sometimes have conflicting interests. The objective of this study is to identify existing institution, efficiency and effectiveness of TTE programme and to study the socio-economic condition of transmigrant.The result of analysis shows that community around forest adhered to traditional institution. And their understanding on the prevailing external institution of government and timber estate concession were relatively low. The aspiration of local community for having plantation usually ended up in chopping activity. Average chopped area was 13 Ha per household. This practice supported by village officials and made this institutional problem more complicated. Their claim of forest area as a customary right was triggered by their insecurity of a continous access to forest as a source of their livelihood.Only about 21,5% local community were willing to be relocated as a local transmigrant and only about 25-30% of those were worked effectively for timber estate, so TTE programme is yet considered effective in relocating, modifying way of life and improving participation of local community. The proprietary right on agricultural land in TTE programme was only 0,25Ha, so giving proprietary right on agricultural land in adequate extent is highly recommended.There were three kind of activities in timber estate development, namely land preparation,nursery, planting and weeding. Wage payment system on land preparation activity was contractual wages at about Rp 85.000-115.000 per Ha. The wage of nursery, planting and weeding activities were about Rp 4. 250- 4. 750 per day. Compared to the Regional Minimum Wages (UMR) for this region in 1993 which was Rp 4.150, labor wage of timber estate development met its social function. Average income labor family per month in land preparation was Rp 253. 600, whereas for planting and weeding was Rp 173. 100 and which nursery activity was Rp 163. 100. Compared to the Minimum Physical Needs (KFM) for this region which was Rp 266.197 in 1993, the earning of labor family from TTE was lower. It means their living condition had not improved yet.

PENINGKATAN MUTU WARNA KAYU JATI (Tectona grandis L.f.) Tjutju Nurhayati
Jurnal Penelitian Hasil Hutan Vol 16, No 3 (1998): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Penelitian yang dilakukan terhadap contoh uji sortimen gergajian kayu jati yang warnanya kurang baik dan cacat dengan perlakuan ekstraksi masing-masing dalam pelarut etanol, campuran etanol dan benzen 1 :2 dan aseton serta perlakuan waktu ekatraksi 0,5 sampai 2 jam dengan selang0.5 jam menunjukkan bahwa cacat warna menjadi berkurang dengan ditandai meningkatnya warna kayu tersebut.Contoh uji mutu P, D , T dan yang mengandung cacar alut minyak dan alur hitam pada P. Cacat doreng pada D, kemerahan. "crowm “ dan kebiruan dapat meningkat warnanya setaraf dengan wama mutu U yang mulus dan merata. Hilangnya cacat alur minyak dan alur hitam diperoleh dari perlakuan ekstraksi dalam etanol benzena 1: 2 waktu 1 jam serta aseton waktu 2 jam. Untuk cacat doreng dari aseton 2 jam, cacat kemarahan dari etanol dan aseton selama 0,5 jam. cacat "crown dari etanol 1 jam dan kebiruan dari etanol benzena 1 :2 selama 0.5 jam

KAJIAN OPERASI PENGELUARAN KAYU SISTEM KABEL LAYANG EXPO-2000 DENGAN PENGGUNAAN ALAT PENDUKUNG Wesman Endom
Jurnal Penelitian Hasil Hutan Vol 24, No 4 (2006): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Expo-2000 merupakan sebuah prototype alat yang dirancang dan dibangun untuk membantu dalam kegiatan pengeluaran kayu. Pada tahun 2005 dilakukan kegiatan perbaikan pada alat Expo-2000 itu sendiri dan dibuat aksesoris pendukung lainnya dengan tujuan lebih mudah dalam pergerakannya di lapangan dan lebih tinggi hasil kinerjanya. Pembuatan aksesoris itu meliputi wahana angkutan lokal, tiang penyangga dan kereta pengangkut kayu kabel layang model KM Exp-I.Berdasarkan pengamatan lapangan yang dilakukan bulan Oktober tahun 2005, kinerjanya menunjukkan produktivitas cukup baik sekitar 15 m3.hm/jam, tergantung jarak, ukuran kayu, kondisi permukaan lapangan dan kerapatan tegakan. Hasil uji coba memperlihatkan kini produktivitasnyalebih meningkat setelah dipakai kereta model KM Exp-I yang dilengkapi dengan pengunci. Dengan investasi sebesar Rp 100 juta (berikut kabel dan perlengkapan lainnya), hasil kajian biaya operasi pengeluaran kayu adalah Rp 60.175/jam atau Rp 11.620/ m3.Dari analisis biaya dengan suku bunga bank 18% per tahun dan dengan proyeksi biaya 6 tahun, nilai NPV didapat sebesar antara Rp 8 81 juta dengan IRR sebesar 22 - 52%. Perhitungan ini diperoleh dengan menggunakan dasar biaya upah setempat sebesar Rp 35 ribu/m3.

ANALISIS PEMBANGUNAN PRASARANA ANGKUTAN DAN EKSTRAKsl KAYU SERTA DAMPAKNYA. TERHADAP LINGKUNGAN HUTAN DI PROPINSI RIAU Djaban tinambunan
Jurnal Penelitian Hasil Hutan Vol 9, No 5 (1991): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

An investigation on various aspects of timber harvesting practicues in two loggini companies in Riau has been conducud in June 1991. One of them is operating in dry land forests and the other is in swamp forests.Road construction in the first company is accomplished by the steps of selecting route Iocation, land clearing and road forming, road grading, and right of way clearing with the total cost of Rp. 3.8 million/km. Whereas, log extraction is done by the steps of felling, skidding, debarking, loading, hauling and unloading with the total cost of Rp. 8,210/cu.m.In swamp forests, rail road construction follows the steps of route survey, right of way clearing, installing rall suppors and steel rails with the cost of Rp. 8,420,000/km, including the costs of logs used for the supports amountr to 151 cu.m/km and steel rails. By using this facility and manual (kuda-kuda) skidding, it is found that the cost of log extraction is Rp. 13,250/cu.m.Logging roads have many land openings and steep, bare soils so that they are in the condition of high soil erosion potential. Whereas, for rail roads, it is noticed that their soil erosion is low because the land on both sides and under the rails is well covered by litter, logs and vegelation roots.

SIFAT ARANG EMPAT JENIS BAMBU Tjutju Nurhayati Syahri
Jurnal Penelitian Hasil Hutan Vol 3, No 3 (1986): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Studies on the properties of bamboo charcoal processed by destructive distillation has been conducted. Four different species of bamboo have been selected, i.e. andong (Gigantochloa vertivillata Munro), ater (G. ater Kurz), tali (G. apus Kusz), and bitung (Dendrocalamus asper Back), were obtained from Kabupaten Bogor. The properties of interest are: the specific gravity, calorific value, ash content, volatile matter, and the fixed carbon content on three different parts of bamboo trunk (bottom, middle, and top).The specific gravity and the properties of the destructive distillation products from each part of bamboo trunk were significantly different. The lowest part of bamboo trunk revealed the highest yield and the highest density of charcoal. In contrast, the yield of piroligneous ligour gave a tendency of decreasing toward the lowest part of bamboo trunk; exception was found in bamboo ater and tali, which indicated the highest content in the middle part of the trunk.All four different species of bamboo gave fairly the same yield of destructive distillation products. The average yield of charcoal, the content of piroligneous ligour , and the tar content were 36.05, 40.58, and 6,550'/o, respectively.The specific gravity of all four different charcoal were significantly different, the highest was found in ater charcoal (0. 6), and the lowest was in bitung (0.3). The highest ash content was found in bitung charcoal (7.50'/o), and the lowest was indicated by tali charcoal (5. 70'/o). The highest volatile matter was in tali charcoal (24.40'/o), and the lowest content was in bitung (/7.800'/o). The highest and the lowest fixed carbon content were found in bitung (75. 50'/o) and tali charcoal (69. 80'/o ), respectively.There were no great differences in calorific value for all different species of bamboo, with the average of 6602 ca/lg charcoal. However, different part of bamboo trunk indicated significantly different calorific value, that is, the higher the position in the trunk, the lower the calorific value.

KEAWETAN 52 JENIS KAYU INDONESIA Ginuk Sumarni; Mohammad Muslich
Jurnal Penelitian Hasil Hutan Vol 22, No 1 (2004): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Fifty two Indonesian wood species were collected from forest areas in Indonesia for durability test. The samples measuring 60 cm (in length) by 5 cm (width) by 5 cm (height) were prepared. The durability's field test was conducted at Cikampek experimental forest using a graveyard method. The samples were vertically but partially buried lengthwise in the soil, leaving behind 10 cm upright still exposed to the air. The spaces (distances) between the buried samples were 15 cm. Assessment on the buried samples (stacks) was carried out once after the succession of each 6-month interval. The assessment involved the degrees of attack by termites and the depth (extent) of decay inflicted by particular fungi. Afterwards, the 52 wood species as each represented by their tested stacks/samples could be categorized into five durability classes. Most of the samples were severely attacked by termites. Forty nine out of 52 wood species (i.e. 94 percent) were attacked by termites. Meanwhile, the remaining 3 wood species (Glochindion philippicum Robins., Blumeodendron kurzii J.J. S.M. and Myristica lognifes Ward.) were attacked by the decaying fungi. Therefore, those three species were categorized as durability class V. In total, there were 33 wood species (63,4 percent) that belonged to durability class V, 17 wood species (32,6 percent) as class IV and 2 wood species (3,8 percent) as class III. Since none can be categorized as durability class I or II. the preservative treatment is necessary for the overall 52 wood species. The species categorized as durability class III were rengas manuk (Gluta wallichii (Hook f Ding Hou) and kempas (Koompasia malaccensis Maing.).

PENGARUH PENAMBAHAN EKSTENDER DALAM PEREKAT FENOL FORMALDEHIDA TERHADAP KETEGUHAN REKA T KAYU LAPIS TUSAM Adi Santoso; Anita Firmanti; Rini Asniar Karno
Jurnal Penelitian Hasil Hutan Vol 15, No 5 (1998): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Resin fenol formaldehida merupakan suatu perekat yang digunakan dalam pembuatan kayu lapis eksterior. Beberapa bahan dapat ditambahkan pada resin tersebut untuk menghemat biaya. Pada tulisan ini dikemukakan hasil penelitian tentang pengaruh penambahan ekstender pada resin fenol formaldehida terhadap keteguhan rekat kayu lapis tusam (Pinus merkusii Jungh et. de Vrise). Ekstender yang digunakan ada 2 macam, yaitu tepung gandum dan tepung gaplek dengan 5 macam kadar yaitu 0%, 5%, 10%, 15% dan 20% dari berat perekat cair.Hasil penelitian menunjukkan bahwa macam ekstender tidak berpengaruh nyata terhadap keteguhan rekat kayu lapis, sedangkan kadar ekstender berpengaruh sangat nyata. Semakin tinggi kadar ekstender, keteguhan rekat kayu lapis cenderung berkurang. Kadar ekstender maksimum yang memenuhi persyaratan Standar Indonesia adalah 20% masing-masing untuk tepung terigu dan tepung gaplek, sedangkan pada Standar Inggris adalah 20% untuk tepung terigu dan 10% tepung gaplek.

TEKNIK EKSTRAKSI TRADISIONAL DAN ANALISIS SIFAT-SIFAT JERNANG ASAL JAMBI Totok K Waluyo
Jurnal Penelitian Hasil Hutan Vol 26, No 1 (2008): 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.2008.26.1.30-40

Jernang adalah resin yang merupakan hasil sekresi buah rotan jernang (Daemonorops draco BL.). Resin tersebut menempel dan menutupi bagian luar buah rotan, di mana untuk mendapatkannya diperlukan proses ekstraksi. Kegunaan jernang adalah sebagai bahan pewarna vernis, keramik, marmer, alat dari batu, kayu, rotan, bambu, kertas, cat dan sebagainya. Selain itu juga digunakan sebagai bahan obat-obatan seperti obat diare, disentri, obat luka, serbuk untuk gigi, asma, sipilis, berkhasiat aphrodisiac (meningkatkan libido) serta banyak kegunaan lainnya. Penelitian ini dilakukan untuk mengetahui teknik ekstraksi buah rotan jernang yang dilakukan oleh suku Anak Dalam dan suku Melayu Jambi mencakup rendemen dan sifat fisiko-kimia jernang. Hasil penelitian menunjukkan bahwa teknik ekstraksi jernang yang dilakukan oleh suku Anak Dalam (SAD) dan suku Melayu Jambi (SMJ) adalah ekstraksi kering dengan rendemen jernang hasil ekstraksi 7,42 + 0,99 % (SAD) dan 6,41 + 0,44% (SMJ). Sifat-sifat jernang hasil ekstraksi SMJ lebih baik dibanding SAD. Jernang SMJ mempunyai kadar air 3,2%, kadar kotoran 5,2%, kadar abu 0,7% dan titik leleh 80C, sedangkan jernang SAD menunjukkan kadar air 4,4%, kadar kotoran 16,0%, kadar abu 2,8% dan titik leleh 105°C.

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(1994): Jurnal Penelitian Hasil Hutan Vol 11, No 8 (1993): Jurnal Penelitian Hasil Hutan Vol 11, No 7 (1993): Jurnal Penelitian Hasil Hutan Vol 11, No 6 (1993): Jurnal Penelitian Hasil Hutan Vol 11, No 5 (1993): Jurnal Penelitian Hasil Hutan Vol 11, No 4 (1993): Jurnal Penelitian Hasil Hutan Vol 11, No 3 (1993): Jurnal Penelitian Hasil Hutan Vol 11, No 2 (1993): Jurnal Penelitian Hasil Hutan Vol 11, No 1 (1993): Jurnal Penelitian Hasil Hutan Vol 10, No 6 (1992): Jurnal Penelitian Hasil Hutan Vol 10, No 5 (1992): Jurnal Penelitian Hasil Hutan Vol 10, No 4 (1992): Jurnal Penelitian Hasil Hutan Vol 10, No 3 (1992): Jurnal Penelitian Hasil Hutan Vol 10, No 2 (1992): Jurnal Penelitian Hasil Hutan Vol 10, No 1 (1992): Jurnal Penelitian Hasil Hutan Vol 9, No 7 (1991): Jurnal Penelitian Hasil Hutan Vol 9, No 6 (1991): Jurnal Penelitian Hasil Hutan Vol 9, No 5 (1991): Jurnal Penelitian Hasil Hutan Vol 9, No 4 (1991): Jurnal Penelitian Hasil Hutan Vol 9, No 3 (1991): Jurnal Penelitian Hasil Hutan Vol 9, No 2 (1991): Jurnal Penelitian Hasil Hutan Vol 9, No 1 (1991): Jurnal Penelitian Hasil Hutan Vol 8, No 6 (1991): Jurnal Penelitian Hasil Hutan Vol 8, No 5 (1991): Jurnal Penelitian Hasil Hutan Vol 8, No 4 (1990): Jurnal Penelitian Hasil Hutan Vol 8, No 3 (1990): Jurnal Penelitian Hasil Hutan Vol 8, No 2 (1990): Jurnal Penelitian Hasil Hutan Vol 8, No 1 (1990): Jurnal Penelitian Hasil Hutan Vol 7, No 4 (1990): Jurnal Penelitian Hasil Hutan Vol 7, No 3 (1990): Jurnal Penelitian Hasil Hutan Vol 7, No 2 (1990): Jurnal Penelitian Hasil Hutan Vol 7, No 1 (1990): Jurnal Penelitian Hasil Hutan Vol 6, No 8 (1990): Jurnal Penelitian Hasil Hutan Vol 6, No 7 (1990): Jurnal Penelitian Hasil Hutan Vol 6, No 6 (1989): Jurnal Penelitian Hasil Hutan Vol 6, No 5 (1989): Jurnal Penelitian Hasil Hutan Vol 6, No 4 (1989): Jurnal Penelitian Hasil Hutan Vol 6, No 3 (1989): Jurnal Penelitian Hasil Hutan Vol 6, No 2 (1989): Jurnal Penelitian Hasil Hutan Vol 6, No 1 (1989): Jurnal Penelitian Hasil Hutan Vol 5, No 7 (1988): Jurnal Penelitian Hasil Hutan Vol 5, No 6 (1988): Jurnal Penelitian Hasil Hutan Vol 5, No 5 (1988): Jurnal Penelitian Hasil Hutan Vol 5, No 4 (1988): Jurnal Penelitian Hasil Hutan Vol 5, No 3 (1988): Jurnal Penelitian Hasil Hutan Vol 5, No 2 (1988): Jurnal Penelitian Hasil Hutan Vol 5, No 1 (1988): Jurnal Penelitian Hasil Hutan Vol 4, No 4 (1987): Jurnal Penelitian Hasil Hutan Vol 4, No 3 (1987): Jurnal Penelitian Hasil Hutan Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan Vol 4, No 1 (1987): Jurnal Penelitian Hasil Hutan Vol 3, No 4 (1986): Jurnal Penelitian Hasil Hutan Vol 3, No 3 (1986): Jurnal Penelitian Hasil Hutan Vol 3, No 2 (1986): Jurnal Penelitian Hasil Hutan Vol 3, No 1 (1986): Jurnal Penelitian Hasil Hutan Vol 2, No 4 (1985): Jurnal Penelitian Hasil Hutan Vol 2, No 3 (1985): Jurnal Penelitian Hasil Hutan Vol 2, No 2 (1985): Jurnal Penelitian Hasil Hutan Vol 2, No 1 (1985): Jurnal Penelitian Hasil Hutan Vol 1, No 4 (1984): Jurnal Penelitian Hasil Hutan Vol 1, No 3 (1984): Jurnal Penelitian Hasil Hutan Vol 1, No 2 (1984): Jurnal Penelitian Hasil Hutan Vol 1, No 1 (1984): Jurnal Penelitian Hasil Hutan More Issue

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