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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

123 124 125 126 127

PENGARUH PEREBUSAN PADA IMPREGNASI KAYU KARET Harly Harly
Jurnal Penelitian Hasil Hutan Vol 7, No 2 (1990): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Rubberwood is becoming more important in Indonesia and hence research for better treatment of this very susceptible wood species is badly needed. In general, the impregnation of the green wood results in a limited penetration.Boiling before preservative treatment by alternating pressure process greatly improved the treatment of rubberwood. A boiling period for one hour was sufficient to obtain required penetration of preservative.

KEMUNGKINAN PENGGUNAAN BAHAN PENGAWET ZFK Sasa Abdurrohim; Pipin Permadi
Jurnal Penelitian Hasil Hutan Vol 14, No 7 (1996): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Since CCA preservative was banned in Indonesia, alternative preservative should be searched. One of the preservative which has good fixation characteristic like CCA is ZFE. preservative that contain zink, fluor and chrom.The retention and penetration of ZFK in five Indonesian wood species were studied. The ZFK preservative was applied using soaking method for 3, 5 and 7 days, where the solution concentration applied was 5 % and 10%. Five wood species choosed in the experiment were damar (Agathis loranthifolia), keruing (Dipterocarpus caudiferus), jelutung (Dyera costulata), meranti merah (Shorea palembanica) and nyatoh (Palaquium leiocarpum).The lest results based on retention and penetration requirements for wood used under roof, and in the open air both without ground contact, showed that only two species, keruing and jelutung, could satisfactorily meet the standard under the experimental conditions, while other tree species (damar, meranti merah and nyatoh) do not comply with tire standard. For under roof and in the open air uses without ground contact keruing can be consecutively soaked for 7 days in Basilit ZFK solution of 10% , while jelutung for 5 days.

SIFAT ANATOMI DAN KUALITAS SERAT JENIS KAYU SANGAT KURANG DIKENAL: SUKU CAPPARIDACEAE, CAPRIFOLIACEAE, CHLORANTHACEAE DAN COMPOSITAE Sri Rulliaty
Jurnal Penelitian Hasil Hutan Vol 32, No 4 (2014): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Dari 34.410 contoh koleksi Xylarium Bogoriense 1915, masih tersisa sekitar 800 jenis kayu (tercakup dalam 251 marga dari 77 suku), yang hingga saat ini belum pernah diteliti sifat-sifat anatominya secara memadai. Jenis-jenis kayu tersebut kemudian diistilahkan sebagai ‘Jenis Kayu Sangat Kurang Dikenal” atau “the Least Known Wood Species’. Tulisan ini mempelajari sifat anatomi dan kualitas serat lima jenis kayu sangat kurang dikenal yaitu jenis Crataeva sp., Crataeva membranifolia Miq. (Capparidaceae), Viburnum sambucinum Bl. (Caprifoliaceae), Ascarina sp. (Chloranthaceae), dan Olearia sp. (Compositae). Contoh kayu yang digunakan diambil dari contoh kayu Xylarium Bogoriense 1915 Pusat Litbang Hasil Hutan, Bogor. Sifat anatomi diteliti berdasarkan preparat sayatan yang dibuat menurut metoda Sass diamati berdasarkan IAWA List, dimensi serat berdasarkan preparat maserasi. Hasil nya menunjukan jenis kayu Ascarina sp. dan Olearia sp. mudah dikenali karena mempunyai jari-jari lebar. Jari-jari agregat ditemui pada jenis kayu Crataeva membranifolia and Ascarina sp. Kayu teras Crataeva membranifolia yang berwarna kuning jerami dan memiliki arah serat lurus menyebabkan kayu ini dapat digunakan sebagai pengganti kayu ramin. Seluruh jenis kayu yang diteliti termasuk kualitas I untuk pulp dan kertas, kecuali jenis Olearia sp. yang termasuk kualitas serat kelas II.

STUDI SOSIAL EKONOMI PENGGUNAAN LABAN HUTAN KONVERSI UNTUK TRANSMIGRASI DI KALIMANTAN SELATAN Ismatul Hakim
Jurnal Penelitian Hasil Hutan Vol 9, No 5 (1991): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

The transfer of convertion forest lands into transmigration areas must be geared towards improving and developing land productivity in order to obtain optimun socio-economic role of the rasources for the transmigrant and sustainability of agricultural production. In this rasearch respondent samples are purposively taken from the villages of Ambawang (15 families) as a less successful transmigration area and of Domit (115 familia) as a successful area. Both are located in Jorong sub-district, Tanah laut District, South Kalimantan.The resulis showed thet the per capita income of respondent family in Damit village is higher than that in Ambawang village (almost twice) and land productivity in Damit village is even 3 limes as in much as in .Ambawang village These mean that transmigration program in Damit village is more succasful than in Ambawang village. Land utilization in Damit and Ambowang villages is as foUows : I t e ms Precentage of land us Damit Ambawang.Rice field 181,80 125,71Home garden 104,17 82,76Farm land 26,57 34,57This can be interpreled that more land in Damit is suitable for rice field. Land use in transmigration areas depends on the suitability level of land for agricultaral extensification, the availability of water for irrigation, and background experience background of transmigration family.An average number of mandays per family per year is 2140.49 mandays which consists of: farming, rice field woking, off- farming and home gardening are 36.77%, 24.16%, 21.52%, and 16.60%, respectively. The total income per family both villages is Rp 1,275,086.300The saving level per family in Domit is Rp 333,794.20 and in Ambowang is Rp 541,303.00 but the Gross Domestic Product (PlJB) in Damit is Rp 873,075.00 and PDB in Ambawang is Rp 265,431.50. These mean that the equalization level of income distribution and the occess of transmigration community to the village development are better in Damit than on .Ambawang.In general, it can be concluded that practicing transmigration program by using convertion forest land in Jorong, South Kalima.tan can improve land productivity and socio-economic status of the tronsmigrants which makes them enjoying beller life in the new areas. The in depth study on socio-economic aspeci of transmigration is required by comparing their socio-economic status in their new area to their previous ones in Java.

PRODUKTIVITAS PENYARADAN PADA BERBAGAI LEBAR JALUR TEBANG, JENIS TRAKTOR DAN TINGKAT KELERENGAN DI AREAL TEBANG JALUR TANAM INDONESIA Dulsalam Dulsalam
Jurnal Penelitian Hasil Hutan Vol 16, No 4 (1999): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Penelitian pengaruh lebar jalur tebang, jenis traktor dan tingkat kelerengan terhadap produktivitas penyaradan di areal Tebang Jalur Tanam Indonesia (TJTI) dilakukan di sebuah Hak Pengusahaan Hutan di Kalimantan Barat pada tahun 1996. Tujuannya adalah mendapatkan informasi tentang pengaruh lebar jalur tebang, jenis traktor dan tingkat kelerengan terhadap produktivitas penyaradan di areal TJTI. Data lebar jalur tebang, jenis traktor, tingkat kelerengan, jarak sarad, waktu kerja penyaradan dan volume kayu yang disarad dikumpulkan. Hasil dari penelitian ini adalah sebagai berikut :Waktu kerja penyaradan kayu untuk Traktor Caterpillar D 7 G don Komatsu D 85 ESS berturut-turut berkisar antara 5,91-6,99 menit/hm dengan rata-rata 6,44 menit/hm dan berkisar antara 5,93-6,78 menit/hm dengan rata-rata 6,27 menit/hm.Produktivitas traktor Caterpillar D 7 G berkisar antara 4,43-8,91 m3/jam-hm dengan rata- rata 7,04 m3/jam-hm, sedang produktivitas traktor Komatsu D 85 ESS berkisar antara 4,85- 8,77 m3/jam-hm dengan rata-rata 6,96 m3/jam-hm.Trakt.or Caterpillar D 7 G dan Komatsu D85 ESS memiliki produktivitas yang tidak berbeda nyata. Demikian halnya dengan produktivitas traktor pada kelerengan bergelombang (B1) dan agak curam (B2) tidak berbeda nyata pada taraf α 0,05.Rata-rata produktivitas penyaradan pada jalur tebang 50 m, JOO m dan 200 m berturut- turut adalah 4,78; 7,52 dan 8,59 m3/jam-hm. Produktivitas penyaradan pada lebar jalur tebang berbeda nyata yaitu yang paling besar pada lebar jalur tebang 200 m.Disarankan bahwa traktor Caterpillar D 7 G dan Komatsu D 85 ESS digunakan untuk penyaradan kayu pada lebar jalur tebang 150 m dan 200 m.

ISOLASI DAN SELEKSI MIKROBA POTENSIAL SEBAGAI AKTIVATOR PENGOMPOSAN UNTUK MENDEKOMPOSISI LIMBAH KULIT MANGIUM Gusmailina Gusmailina
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.2009.27.4.352-368

Kulit kayu merupakan limbah organik yang dapat dimanfaatkan kembali secara efektif dengan memberi perlakuan yang tepat. Beberapa jenis kulit kayu dapat menyebabkan racun bagi pertumbuhan akar tanaman, sehingga harus diberi perlakuan terlebih dahulu sebelum digunakan. Salah cara adalah melalui pengomposan. Dalam proses tersebut diperlukan mikroorganisme sebagai aktivator yang berperan mendegradasi kulit kayu dalam waktu singkat. Kulit kayu yang telah terdekomposisi dan menjadi kompos selanjutnya dapat digunakan sebagai media tumbuh tanaman baik di persemaian mapun di lapangan. Penelitian bertujuan mencermati mikroba potensial efektif digunakan sebagai aktivator pada pengomposan limbah kulit Acacia mangium, meliputi tahapan eksplorasi, isolasi, dan seleksi mikroba yang terdapat pada limbah kulit tersebut. Isolasi mikroba dilakukan pada berbagai tempat habitat alami yaitu pada areal tumpukan kulit mangium di PT. TEL (Tanjung Enim Lestari) Pulp & Paper (Sumatera Selatan) dan PT. IKPP (Indah Kiat Pulp & Paper), Perawang (Riau). Hasil menunjukkan bahwa dari dua lokasi eksplorasi yang telah dilakukan, diperoleh 46 isolat mikroba yang terdiri dari 23 isolat fungi dan 23 isolat bakteri. Sebanyak 30 isolat (15 isolat fungi & 15 isolat bakteri) asal PT. TEL Palembang, dan 16 isolat (8 isolat fungi & 8 isolat bakteri) asal PT. IKPP, Perawang, Pekanbaru. Hampir semua isolat fungi positif mempunyai kemampuan menguraikan lignin dan selulosa dengan kecepatan sedang hingga cepat, sedangkan isolat bakteri yang diperoleh ternyata hanya bersifat pembusuk. Diantara semua isolat yang diperoleh, terpilih 7 isolat fungi yang diperkirakan potensial efektif mewakili ke dua lokasi.

MEMPELAJARI PEMISAHAN MINYAK ATSIRI DARI DAMAR MATA KUCING DAN SIFAT FISIKO-KIMIA RESIDUNYA Bambang Wiyono
Jurnal Penelitian Hasil Hutan Vol 15, No 6 (1998): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Penelitian ini bertujuan untuk mengisolasi minyak atsiri dari berbagai kualitas getah damar mata kucing dan menganalisis sifat fisiko-kimia residunya. Setiap kualitas damar mata kucing disuling secara kering pada suhu 120 - 130 0C selama 7 jam. Hubungan antara waktu penyulingan dan rendemen distilat dianalisis dengan regresi linier mengikuti prosedur SAS. Sedangkan sifat fisiko- kimia residu penyulingan dibandingkan dengan Standar Nasional Indonesia untuk damar.Hasil penelitian menunjukkan bahwa damar berkualitas rendah mengandung minyak atsiri lebih tinggi dibandingkan dengan damar berkualitas tinggi, yang ditunjukkan oleh tingginya distilat yang dihasilkan. Sidik regresi antara waktu pemisahan minyak dari getah damar dan rendemen destilat adalah secara sangat nyata untuk semua kualitas damar, di mana hubungannya ditunjukkan oleh persamaan regresi dengan koefisien sebagai berikut :Damar dengan kualitas A Y = 0,2375 X + 0,057143; R = 0,886Damar dengan kualitas B Y = 0.176786 X - 0,121429; R = 0,923Damar deugan kualitas C Y = 0,3875 X - 0,057143; R = 0,868Damar dengan kualitas D Y = 0,587314 X - 0,371429; R = 0,975Damar asalan {E) Y = 0,591071 X -0,1000; R = 0,880Residu penyulingan damar kualitas A, B dan C memenuhi persyaratan SNI kecuali sifat titik lunaknya. Sedangkan residu dari kualitas D dan asalan belum memenuhi persyaratan standar tersebut. Agar residu ini memenuhi persyaratan tersebut, bahan baku dibersihkan terlebih dahulu dari kotoran yang ada, lalu disuling pada kondisi vakum dengan waktu penyulingan sekitar 2 - 3 jam.

SIFAT PAPAN SERAT DARI KAYU ACACIA MANGIUM WILLD., EUCALYPTUS DEGLUPTA BLUME DAN EUCALYPTUS UROPHYLLA BLAKE Kayano Purba; Deden Edi Rusfiandi; Yusuf Sudo Hadi; M Rosid
Jurnal Penelitian Hasil Hutan Vol 6, No 5 (1989): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

This paper deals with the study on the fiberboard properties of A. mangium, E. deglupta and E. urophylla. The cooking process applied consisted of hot caustic soda semi chemical process and prehydrolysis prior to mechanical pulping process.The hot caustic soda semi chemical process used the condition as follows: alkali concentration was 35 g/l, wood to liquor ratio was 1 : 8, maximum temperature was 100° C and this temperature was kept for two hours. The prehydrolisis prior to mechanical process was prepared in the autoclave with the wood to liquor ratio ;of . 1 : 8, maximum temperature was 175 ± 1°C and this temperature was kept for 60 seconds, and the pressure of 7 - 12 kg/cm2. Sheet forming was done by wet felting process in the deckle box, the pressing pressure was 50 kg/cm2, temperature was 170° C for 10 mi- nutes. Heat treatment was given for 3 hours at temperature of 170° C without pressure.The result shows that the cooking process has a significant influences on the moisture content, water absorption, thickness swelling, tensile strength parallel to surface and modulus of rupture of the fiberboard. Likewise, the wood species has a significant influence on pulp yield, moisture content, water absorption and thickness swelling. The interac- tion of both factors only significantly influences modulus of rupture and modulus of elasticity.The highest pulp yield was from A. mangium followed by E. deglupta, and E. urophylla. Almost overall properties of fiberboard met the FAO standard, except for the water absorption and tensile strength parallel to surface of E. uro- phylla. The mechanical process produced fiberboard with better water absorption and thickness swelling than that of hot caustic soda semi chemical process. On the other hand the tensile strength parallel to surface and modulus of rupture of the fiberboard produced by hot caustic soda semi-chemical process was found better than that of the mechanical pulping.

KESESUAIAN ALAT DAN MESIN UNTUK PENGUSAHAAN HUTAN TANAMAN INDUSTRI Sri Sutopo; Djaban Tinambunan
Jurnal Penelitian Hasil Hutan Vol 13, No 1 (1995): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Several short investigations have been conducted lo find the suitability of equipment and machine used in foreste estate operations. Original condition of land, soil cultivation practices, and the productivity of various equipment were also collected.The areas used for linber estate are usually alang-alang grassland with the alang-alang densitv of around two million stems/ha, the average slope of 8%, consited of red yellow to red brown podsolik soils. the soil is plowed twice hy using disc plow of 70 cm diameter with the plowing depth of 20-30 cm. and then harrowed by using disc harrow of 46 cm diameter with the harrowing depth of 15-20 cm.The efective power used for plowing is around 25 HP and for harrowing is around 19 HP. Therefore the engine power required (with 50% efficiency) is around 50 HP. For harrowing with this level of power, the harrow can be extended up 10 4.8 m wide to increase power efficiency,Felling productivities by using chainsaw and feller-buncher are 7.096 and 7. 708 m3/hour, respectivelv, The difference between these two figures is not significant. While the skidding productivities by using tractor (140 HP) and feller-buncher are 4.929 and 5.140 m3/hour, respectively, The difference between this two figures is highly significant.Tge relationship between the power of tractor and productivity is linear with higher productivity when the power is larger. Other result shows that the tractor used are mostly too large and, therefore, need the modification of plow and harrow combinations.

PENGARUH FUMIGASI AMONIUM HIDROKSIDA TERHADAP EMISI FORMALDEHIDA KAYU LAPIS DAN PAPAN PARTIKEL Adi Santoso; Paribotro Sutigno
Jurnal Penelitian Hasil Hutan Vol 22, No 1 (2004): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

The formaldehyde emmision of panel products such as plywood and particleboard bonded with urea formaldehyde (UF) may affect health, especially when they are used in a room with poor ventilation. To reduce formaldehyde emission, the products can be fumigated by a chemical agent. This paper described the effect of fumigation by ammonium hydroxide 25% on formaldehyde emission of UF bonded plywood and particleboard.The effect of fumigation by ammonium hydroxide on formaldehyde emission of plywood and particleboard are higly significant. The longer the fumigation by ammonium hydroxide, the lower the formaldehyde emission of plywod and particleboard. Fumigation by ammonium hydroxide of 1 hour and 1. 5 hours, the formaldehyde emission of plywood and particleboard can meet Japanese Standard on the mean value of 0.632 mg/I and 0.349 mg/I for plywood, and 4.594 mg/l and 2.225 mg/l for particleboard. Meanwhile, fumigation on particleboard of 1. 5 hours and on plywood of all treatment 0.5 to 1.5 hours, the formaldehyde emission can conform with American Standard on the mean value of 0.261 mg/l for particleboard and 0.154 to 0.042 mg/I for plywood. On the basis of formaldehyde emission standards, it is recomended than the fumigation by ammmonium hydroxide 25% may be used in plywood for 70 minutes and on particleboard for 80 minutes.

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Hasil Hutan Vol 14, No 6 (1996): Buletin Penelitian Hasil Hutan Vol 14, No 5 (1996): Buletin Penelitian Hasil Hutan Vol 14, No 4 (1996): Buletin Penelitian Hasil Hutan Vol 14, No 3 (1996): Buletin Penelitian Hasil Hutan Vol 14, No 2 (1996): Buletin Penelitian Hasil Hutan Vol 14, No 1 (1996): Buletin Penelitian Hasil Hutan Vol 13, No 8 (1995): Jurnal Penelitian Hasil Hutan Vol 13, No 7 (1995): Jurnal Penelitian Hasil Hutan Vol 13, No 6 (1995): Jurnal Penelitian Hasil Hutan Vol 13, No 5 (1995): Jurnal Penelitian Hasil Hutan Vol 13, No 4 (1995): Jurnal Penelitian Hasil Hutan Vol 13, No 3 (1995): Jurnal Penelitian Hasil Hutan Vol 13, No 2 (1995): Jurnal Penelitian Hasil Hutan Vol 13, No 1 (1995): Jurnal Penelitian Hasil Hutan Vol 12, No 6 (1994): Jurnal Penelitian Hasil Hutan Vol 12, No 5 (1994): Jurnal Penelitian Hasil Hutan Vol 12, No 4 (1994): Jurnal Penelitian Hasil Hutan Vol 12, No 3 (1994): Jurnal Penelitian Hasil Hutan Vol 12, No 2 (1994): Jurnal Penelitian Hasil Hutan Vol 12, No 1 (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 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