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Jurnal Penelitian Hasil Hutan
Published by Pusat Penelitian dan Pengembangan Hasil Hutan
ISSN : 02164329     EISSN : 24428957     DOI : 10.20886/jphh
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Materials Science & Nanotechnology
Jurnal Penelitian Hasil Hutan adalah jurnal ilmiah nasional yang mempublikasikan tulisan yang telah dicermati oleh Dewan Redaksi dan Mitra Bestari di bidang hasil hutan. Tulisan dalam Jurnal Penelitian Hasil Hutan mencerminkan inovasi dan hasil penelitian dasar dan terapan yang berkualitas di bidang hasil hutan. Topik tulisan penelitian hasil hutan meliputi: 1. Anatomi bahan berlignoselulosa 2. Sifat fisik dan mekanik bahan berlignoselulosa 3. Teknologi serat bahan berlignoselulosa 4. Papan komposit bahan berlignoselulosa 5. Biodeteriorasi dan pengawetan bahan berlignoselulosa 6. Teknologi pengeringan hasil hutan 7. Penggergajian dan pemesinan kayu 8. Pengolahan hasil hutan kayu dan bukan kayu 9. Pengolahan kimia dan energi hasil hutan 10. Ilmu kayu dan teknologi hasil hutan Keteknikan hutan 12. Pemanenan hasil hutan kayu dan bukan kayu
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 6 Documents
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Search results for , issue "Vol 20, No 2 (2002): Buletin Penelitian Hasil Hutan" : 6 Documents clear
ANALISIS TEKNIS DAN EKONOMIS PENGOLAHAN ROTAN Achmad Supriadi; D Martono; T Puspitodjati; O Rachman
Jurnal Penelitian Hasil Hutan Vol 20, No 2 (2002): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5010.114 KB) | DOI: 10.20886/jphh.2002.20.2.127-141

Abstract

Investigation the modified on processing of large-diameter rattan species, i.e. karokok (Calamus viminalis), seuti (Calamus ornatus), and lilin (Calamus spp.) originating from West Java has been conducted. in this regard, two alternatives of rattan processing were implemented, i.e. first alternative : fresh rattan -->flying --> sun-drying to air-dry condition -- > scropping ; and second alternative : fresh rattan --> preserving --> sun-drying to air-dry condition --> scrapping. The main aim of this investigation was to assess the resistance of ranan against blue-stain, the chief price of production, and the benefits as obtained from each of the two processing alternatives. Research results indicated That the occurence of blue-stain attack on rattan from the first alternative processing at 5.5 percent and 1. 7 percent intensity, respectively. Those percentages were much lower than the one in rattan industry implementing the conventional processing (i.e. 19 percent). Meanwhile. the durations of sun-drying stage required in the first and second alternatives were consecutively 9 days and 14 days. On the other hand. the scrapping time of both first and second alternatives were practically similar to each other (i.e 13 second for each piece of the corresponding rattan). Further, species of rattan and manner of processing (i.e. first and second alternatives) were interacted there by significantly affecting the rattan resistence the biological infestation attack and the processingproductivity.The chief price of rattan piece for the first and second alternatives were consecutively Rp 1. 640 and Rp 1.587. Meanwhile the priceforthe conventional rattan industry was Rp 1.825. Therefore. the theoritical gross benefits per piece of rattan for the first and second alternatives were Rp 860 and Rp 913. in addition, the added value of rattan from both alternatives was in the range of Rp 1.500- Rp 1.689.Based on the resistance of rattan against blue-stain, chief price of production and benefits, the second processing alternatives turned out to be technically and economically the best.
MENELAAH SIFAT-SIFAT PRODUK HASIL DESTILASI KERING LIMA JENIS KAYU ASAL KALIMANTAN TIMUR Gustan Pari; Dadang Setiawan; Mahpudin Mahpudin
Jurnal Penelitian Hasil Hutan Vol 20, No 2 (2002): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2271.171 KB) | DOI: 10.20886/jphh.2002.20.2.159-164

Abstract

Dry-distillation trials of five wood species from East Kalimantan were conducted at the forest products laboratories. Bogor. and the characteristics of the products (i.e. charcoal, tar and distillate fractions) were assessed to explore their possible uses as a fuel (the source of energy), activated charcoal. carbon-based fibers, metallurgy (smelter), disinfectant, and fertilizer. The distillation was performed in an electrically heated retort. The wood species were consecutively Kayu Arang (Diospyros macrophylla), Nyaling (Mastixia trichotama). Penjalin (Drypetes). Lansat Hutan (Lansium) dan Kayu Gading (Koilodepes sp.). Before conducting the experiment, these wood species were each examined for their specific gravity and calorific values. These species showed variation in their specific gravity (0.51 - 0.93) and calorific values (4465 - 4606 cal/g). Further, the products of distillation revealed some variation in their yielas, i.e. 27.55 - 33. 75 % (for charcoal), 6.53 - 12.89 % (tar). and 47.44 - 71.92 % (pyrolignous liquor). As the charcoal, its moisture content ranged from 0.89 - 1.73 %, ash content from 3.04 - 3.40 %. volatile matter from 19.15 - 20.65 %, fixed carbon from 76.05 - 77.81 %. and charcoal calorific value from 6802 - 7086 cal/g Based on the calorific value. volatile matter, and ash content of their resulting charcoal, the five species tested were all suitable as raw materials for the manufacture of metallurgy charcoal and activated charcoal.
PENGARUH DIAMETER POHON, UMUR DAN KADAR STIMULAN TERHADAP PRODUKTIVITAS GETAH R Sudradjat; Dendi Setyawan; S Sumadiwangsa
Jurnal Penelitian Hasil Hutan Vol 20, No 2 (2002): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2002.20.2.143-158

Abstract

This report revealed the results of assesing the effect of diameter of pine trees, ages and dosages of stimulants (i.e. socepas agent). and harvesting period on the productivity of their exudates. The growing sites of the harvested pine trees were situated at three different blocks (i.e. I, II. and III). These blocks could represent the ages of the standing pine trees (i.e. 15. 18. 24 years old). Ages of trees in block III were the oldest, followed by that of blocks I and II, as consecutively, the youngest and second youngest. The three blocks further were each divided administratively into their own regional areas, called a stripes.For block I. the averages of exudate production varies in the range of 44.63 - 120.25 gram/ tree/period. Different dosages of socepas agent effected significantly the exudates productivity, i.e. the highest at 15 percent socepas agent (i.e. 80.08 gram/tree/period),followed in decreasing order at 20 percent socepas agent (76. 76 gram/tree/period). and at 10 percent socepas agent (61. 79 gram/tree/period). and finally at zero percent stimulant or control (47.81 gram/tree/period). Different harvesting periods. however. did not affect the exudates productivity significantly. Conversely, the diameter of pine trees affected significantly the productivity with a positive linear trend. This trend applied to whatever stripes in which the harvested trees were situated.For block II, harvesting period brought about significant effect on productivity where the highest was obtained at the second period (62.89 gram/tree). followed by decreasing order at the third period (56.31 gram/tree). and at the first period (47. 71 gram/tree), respectively. The variation of exudate productivity was around 39.21 - 81.97 gram/tree/period. This productivity was significantly affected by dosages of socepas. where the highest was at 20 percent dosage (68.08 gram/tree/period). followed at 10 percent (54. 04 gram/tree/period).at 15 percent (52.15 gram/tree/period), and finally at zero percent stimulant or control (48.35 gram/tree/period).Similar in block I. there was positive linear trend between tree diameter and exudates productivity of the pine trees, regardless of their locations in stripes.For block III. harvesting periods also affected the productivity, where the highest was from the third period (50. 71 gram/tree), subsequently from second (49.89 gram/tree). and at last from the first period (43.56 gram/tree). The productivity indicated some variation in the range of 36.06 - 68.34 gram/tree/period.Socepas stimulant affected significantly the exudates production. i.e. the highest at 20 percent socepas (54. 71 gram/tree/period). followed consecutively at 15 percent socepas (51.05 gram/tree/period). at 10 percent (44.28 gram/tree/period). and ultimately at zero percent socepas (42.17 gram/tree/ period). Similar also in blocks I and II. positive linear trend occurred between exudates production and diameters of trees, despite being in different stripes.Ages of the pine trees. as represented by the different blocks, affected production. in that the older the ages the lower the exudates productivity. The average productivities from the trees in block I (as the youngest i.e. 15 years old) and in block II (as the second youngest i.e. 18 years old) were 71.46 gram/tree and 46.07 gram/tree, respectively. Meanwhile, the productivity from block III (as the oldest i.e. 24 years old) was 41.17 gram/tree.
KAJIAN PRODUKTIVITAS ALAT MUAT KAYU KPH2 DI BKPH GUNUNG HALU, KPH BANDUNG SELATAN PERUM PERHUTANI UNIT III JAWA BARAT Zakaria Basari; Sona Suhartana; Wesman Endom; Dulsalam Dulsalam; Yayan Sugilar
Jurnal Penelitian Hasil Hutan Vol 20, No 2 (2002): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2002.20.2.165-176

Abstract

The KPH2 a type of equipment for wood loading into truck was designed by Forest Engeenering and Forest Harvest Divition Forest Products Research Centre Bogor. An operation trial has been done in BKPH Gunung hatu, Bandung Selatan Forest District, Perum Perhutani Unit III West Java.The objective of this study is to see the productivity and operation cost of loading rasamala log ( Altingia excelsa) into truck. using a helper KPH2 and by manual system.The results showed that productivity of KPH2 equipment and manual were 0.02 m3 minute/m and 0,04 m/minute/m, with operation cost of Rp 18.523,00/m3 and Rp 2.000,00/m3 respectively. 
PENEBANGAN POHON YANG EFISIEN DENGAN KERUSAKAN TEGAKAN TINGGAL MINIMAL Sukadaryati Sukadaryati; Dulsalam Dulsalam
Jurnal Penelitian Hasil Hutan Vol 20, No 2 (2002): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2002.20.2.95-105

Abstract

To accomplish natural forest sustainable. the Indonesian Selective Culling and Planting (ISCP) system is adopted for natural forest management and timber harvesting. Felling trees using controlled system, based on ISCP guidelines. is able to decrease the level of residual stand damage. An investigation on a more efficient treefelling with minimum residual stand damage was carried out at on logging company in Jambi in 2000. The object is to obtain information on working time. productivity offelling and residual stand damage.The investigation results revealed that the level of residual stand damage caused by conventionalfelling system ranged from 12 0-18.3% with an average of 15.3%. and by controlled system varied from 7. 7-12. 9% with an average of 9. 9%. Controlled harvesting system could decrease the residual stand damage of 5.4%. The productivity of conventional felling system ranged from 24.465-44.873 m3/hour with an average of 33.681 m3/hour. Productivity of controlled felling system varied from 16.883-35. 650 m3/hour with an average of 25.012 m3/hour. The productivity of controlled felling system was lower than conventional felling system. For ecological and sustainability reasons, controlled felling system is more promising. PENEBANGAN POHON YANG EFISIEN DENGAN KERUSAKAN TEGAKAN TINGGAL MINIMAL
ANATOMI KAYU GAHARU (Aquilaria malaccensis Lamk.) DAN BEBERAPA JENIS SEKERABAT Y I Mandang; Bambang Wiyono
Jurnal Penelitian Hasil Hutan Vol 20, No 2 (2002): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2002.20.2.107-126

Abstract

Anatomical characteristics of five "gaharu " wood species, Aquilaria malaccensis. Aetoxyl­ sympetalum. Gonystylus bancanus, Gonystylus macrophyllus, and Gyrinops versteeghii were described and compared, to find out how to identify and differentiate gaharu wood by their taxa. The knowledge of the difference between Aquilaria malaccensis, which has been listed in Appendix II CITES. from other gaharu wood that have not been listed, would be advantages in supporting the conservation of A. malaccensis as well as in promoting the utilization of the other gaharu wood species.The result of study indicated that all gaharu wood examined have several same features: 1) fibers with distinctly bordered pit at radial face and tend to be arranged in two series: 2) intervessel pit small, .4-7 microns: 3) rays of commonly uniseriate. Both Aquilaria malaccensis and Gyrinops versteeghii have included phloem, while the other three gaharu wood species do not contain included phloem. Aquilaria malaccensis that has been listed in Appendix II CITES could be differentiated from Gyrinops versteeghii based on vessel characteristics. aquilaria malaccensis has medium vessel diameter, 100-200 microns, frequency less than 10 vessels per sq. mm. and radial multiples of 2-4 cells. Gyrinops versteeghii has moderately small vessel diameter, less than 100 microns, frequency more than 10 vessels per sq. mm, and radial multiples of 2 -6 cells.Aetoxylon sympetalum and Gonystylus spp. are together characterized by the presence of aliform and confluent parenchyma and the occurrence of prismatic and styloid crystals in ray tissue. The presence of very thick walled fibers and rays of 1-2 to 3 seriate wide, could be used to differentiate Actoxylon sympetalum from Gonystylus spp. The latter have fibers of medium thickness and rays of commonly uniseriate.

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