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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

61 62 63 64 65

PERBAIKAN SISTEM PEMUNGUTAN LAK DALAM RANGKA PENINGKATAN PRODUKSI Ishak Sumantri
Jurnal Penelitian Hasil Hutan Vol 10, No 2 (1992): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

A research on the improvement of lac harvesting system had been conducted in Probolinggo Forest Districts. Unit II Perum Perhutani, East Java. Harvesting system and plantation site were observed to find higher lac production.The result are as follows : -- The selective system is better than total cut system in producing lac.--The plantation on top of the hill produce more lac than other places due to the richness of sun shine.

PENENTUAN DAUR TEKNIS OPTIMAL DAN FAKTOR EKSPLOITASI KAYU HUTAN TANAMAN JENIS EUCALYPTUS HYBRID SEBAGAI BAHAN BAKU PULP KERTAS Han Roliadi; Dulsalam Dulsalam; Dian Anggraini
Jurnal Penelitian Hasil Hutan Vol 28, No 4 (2010): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Dewasa ini terdapat kesenjangan antara produksi kayu dari hutan alam produksi dengan konsumsinya untuk industri pengolahan kayu termasuk industri pulp/kertas. Atas dasar itu, Departemen Kehutanan menerapkan kebijakan soft landing yaitu mengurangi peran hutan alam produksi sebagai pemasok kayu untuk industri pulp/kertas, dan secara berangsur-angsur diganti peranannya oleh hutan tanaman industri (HTI) kayu pulp antara lain mencakup jenis Acacia mangium dan Eucalyptus spp. Dalam memanfaatkan kayu HTI, perlu dicermati aspek-aspek seperti faktor eksploitasi, karakteristik dasar kayu, sifat pengolahan pulp, dan mutu hasil lembaran pulp/kertas yang baik dan dapat memuaskan konsumen. Terkait dengan uraian tersebut, telah dilakukan penelitian Penentuan Daur Optimal Kayu HTI jenis eukaliptus (Eucalyptus hybrid) untuk Bahan Baku Pulp Ditinjau dari Sifat Dasar Kayu, Sifat Pengolahan Pulp Sulfat, dan Kualitas Lembaran Pulp/Kertas. Contoh kayu jenis tersebut diambil dari Sumatera Utara dengan variasi umur 4, 5, 6, dan 10 tahun. Hasil menunjukkan daur teknis optimum jenis eukaliptus dengan memperhitungkan aspek krakateristik, sifat, dan kualitas tersebut, dicapai pada umur 7.01 tahun. Besarnya faktor eksploitasi pada umur tersebut tidak diketahui. Akan tetapi pada umur 6 tahun, faktor tersebut sekitar 95.5 - 97.0%, maka masih diperlukan penelitian lebih lanjut penetapan faktor eksploitasi pohon pada umur 7.01 tahun. Diharapkan hasil penelitian ini bermanfaat bagi pemerintah sebagai penentu kebijakan maupun pengusaha HTI sebagai pelaksana di lapangan.

MUTU ARANG AKTIF DARI SERBUK GERGAJI KAYU Gustan Pari; Diah Tri Widayati; Masato Yoshida
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.2009.27.4.381-398

Tulisan ini mengemukakan hasil penelitian pembuatan arang aktif dari serbuk gergaji kayu, dengan tujuan untuk mengetahui pengaruh suhu dan lama waktu aktivasi terhadap hasil dan mutu arang aktif yang dihasilkan dari arang serbuk kayu gergajian. Proses pembuatan arang aktif dilakukan dengan menggunakan retor yang terbuat dari baja tahan karat yang dilengkapi dengan elemen listrik pada suhu 700°C, 800°C dan 900°C dengan lama waktu aktivasi masing-masing selama 30, 60 dan 90 menit. Bahan pengaktif yang digunakan adalah larutan H3PO4 15%. Hasil penelitian menunjukkan bahwa kondisi terbaik untuk membuat arang katif dihasilkan pada suhu 900°C, dengan lama waktu aktivasi 90 menit, yang menghasilkan rendemen sebesar 11,33%, kadar air 19,26%, kadar abu 41,90%, kadar zat terbang 9,25%, kadar karbon terikat 48,85%. Daya serap arang aktif terhadap benzena sebesar 10,93%, CHCl3 sebesar 30,38%, daya serap iodium 1171,5 mg/g (memenuhi syarat standar Jepang) dan daya serap terhadap biru metilena sebesar 149,98 mg/g. Berdasarkan sifat dan besarnya daya serap terhadap biru metilena, maka arang aktif dari serbuk gergaji kayu ini dapat digunakan untuk penjernihan zat warna dan sebagai campuran pohon ternak.

PRODUKTIVITAS ANGKUTAN LORI DORONG DI HUTAN JATI Apul Sianturi
Jurnal Penelitian Hasil Hutan Vol 1, No 4 (1984): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

A study on the productivity of lorry transportation in the teak forest was carried out in 1982, at three forest Districts. Time study have been conducted for this purpose.The Study shows that:Log loading productivity of a 6-men crew are 2.2, 1.7, and 1 m3 per hour in the Bojonegoro Mantingan, and Blora Forest Districts respectively with an average of 1.6 m3 per hour.Loading capacity of one lorry varies from 2. 6 to 4.7 m3 of logs with an average of 3.6 m3.Lorry speed varies from 5.7 to 8.6 km per hour, with an average of 6.9 km per hour.Unloading productivity varies from 5.6 to12.9 m3 per hour, with an average of 7.5 m3 per hour.Hauling cost varies from Rp. 86 to Rp. 92 per m3km, with an average of Rp. 88 per m3 km.

KERUSAKAN TEGAKAN TINGGAL, KETERBUKAAN LAHAN, PENGGESERAN TANAH DAN BIAYA PADA PENYARADAN TERKENDALI Sukadaryati Sukadaryati; Dulsalam Dulsalam; M Sinaga
Jurnal Penelitian Hasil Hutan Vol 20, No 5 (2002): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

The trees have certain optimal ages to be harvested. Beyond those ages, the value of the trees tend to decline. Therefore, good harvesting plans must be created and then followed by refining to expedite forest sustainability. In reality, forest harvesting operation always cause ecological damage. It can not be avoided, but can be minimized. Log skidding as one element of the harvesting operations need to be controlled to decrease residual stand and soil damages.An investigation on residual stand damage, ground exposure, soil displacement and cost on controlled skidding was carried out at one logging company in Jambi in 2001. The objective of the investigation is to find out information about residual stand damage, ground exposure, soil displacement and cost on controlled skidding which could be useful for managing sustainable forest. The investigation results revealed that: (1) the averages of residual stand damage, ground exposure, top soil displacement, productivity, and cost on controlled skidding were 11.3%, 8.6%, 17.720 cm/10m skidding road, 23.886 m3-hm/hour and Rp 12.740/m3-hm, respectively while those averages on conventional skidding were 20.2%, 12.2%, 22.160 cm/10m skidding road, 30.996 m3-hm/hour and Rp 10,080/m3-hm, respectively; (2) controlled skidding can decrease 8.9% of residual stand damage: 3,6% of the degree of ground exposure; 4.44cm/10m road skidding of level of top soil displacement; (3) controlled skidding system increase the cost of Rp 2,660/m3-hm because the productivity of the system is lower than the conventional one. Nevertheless, for ecological and sustainability reasons in the long run, controlled skidding system is more promising and needs to beimplemented.

HASIL DESTILASI KERING DAN NILAI KALOR 9 JENIS KA YU DARI NUSA TENGGARA BARAT Sri Komarayati; Tjutju Nurhayati; Dadang Setiawan
Jurnal Penelitian Hasil Hutan Vol 15, No 1 (1997): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Destilasi kering terhadap sembilan jenis kayu telah dilaksanakan dengan mempergunakan retort yang dilengkapi pemanas dari listrik. Retort dihubungkan dengan tiga kondensor dan dua buah labu untuk mengumpulkan distilat atau gas. Kondlsi perlakuan yang diberikan pada penelitian ini antara lain suhu maksimum pengolahun 500ºC dan waktu destilasi 5 jam.Penelitian ini memberikan hasil rendemen arang beragam dari 27,20% - 32,61%, ter 5,37% - 11,74% dun cairan piroligneous 48,00% - 59,60%. Cairan piroligneous dapat digunakan sebagai desinfektan dan untuk menghilangkan bau. Ter yang dihasilkan mempunyai prospek yang baik sebagai bahan pengawet kayu. Nilai kalor kuyu beragam dari 4352,79 - 4625,86 kal/g dan nilai kalor arang beragam dari 6961,66 - 7184,06 kal/g,Berdasarkan hasil analisis, kayu aqn arang dari sembilan jenis kayu yang diteliti merupakan bahan yang sangat baik untuk digunakan sebagai bahan bakar dan karbon aktif.

STUDI RENDEMEN DAN KUALITA MOULDING BEBERAPA JENIS KAYU INDUSTRI INDONESIA (Study of moulding recovery and quality of several indonesia industrial woods) Bakir Ginoga
Jurnal Penelitian Hasil Hutan Vol 11, No 5 (1993): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

The study describes moulding recovery and quality of seven Indonesian industrial wood species, i,e. meranti putih (shorea koordersii), sungkai (phenomena canescens jack). Cempaka (elmerillia ovalis dandy), dahu (dracontomelon dao), perupuk (solenospermum sp.) meranti merah (shorea sp.). and kapur (dryobalanops sp.).It is found that volume recovery varies from 38.7 to 80.2 per cent. An optimal allowances for moulding raw material are 3.0 mm in thickness and 9.6 mm in yidthSungkai, dahu, perupuk and kapur species produced the best moulding quality. Moulding quality of the other species is found to be of good quality.The processing of cempaka and meranti species, especially on their radial surface or quarter swan timber, should be undertaken carefully because of they have genetical interlocked grains.

RESPONS KUMBANG AMBROSIA TERHADAP PERLAKUAN DENG AN PESTISIDA Paimin Sukartana; Abdurahim Martawijaya; Dominicus Martono
Jurnal Penelitian Hasil Hutan Vol 6, No 1 (1989): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

A case study on the behavioral responses of ambrosia beetles to some pesticidal formulations was carried out at a logging area in West Kalimantan in 1981. Each pesticide formulation was sprayed to debarked logs of fresh1% felled ramin trees (Gonystylus bancanus Kurz.}. The tested logs were, then, allowed for the beetle infestations for four weeks, and inspections were conducted weekly to count the beetle tunnels. A lower intensity of the beetle infestation on the treated logs than those on the controls was considered as an inhibitory response. in contrast, a higher intensity of the infestation on the treated logs was indicatively caused by a stimulatory response. These following conclusions are drawn from this study: 1. A highly inhibitory response on the ambrosia beetle attacks was shown by treatments with pesticide containing 50% cypermethrin or 50% fenithrotion.2. Ramin logs treated with pesticide containing either 30% TCMTB or a mixture of 90% thiourea + 10% quarternary ammonium + 0.1 % diazenium dioxy seemed to be highly stimulating to the beetles. The stimulating effect of the second formulation initially decreased and lost afterwards if the diazenium dioxy component was increased by 0.1 to 0.2%. A doubtful record was shown if the TCMTB was mixed with 2% borax.3. The pesticide containing 5% Cu-8-oxyquinolinolate and 80% dichlofluanid were also unaffected to the beetle responses

SIFAT PAPAN WOL KAYU DARI 6 JENIS KAYU HUTAN TANAMAN INDUSTRI I M Sulastiningsih; Rodjak Memed; Paribotro Sutigno
Jurnal Penelitian Hasil Hutan Vol 7, No 2 (1990): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

The results of laboratory test of wood wool board properties made from 6 individual wood species obtained from East Kalimantan, Jambi, South Sumatera and Maluku province are reported in this paper. The properties tested were board density, moisture content, thickness reduction due to compression and bending strength.The study reveals that average yield of wood wool is 348 kg per cubic meter of log input. The wood wool of Acacia mangium must be soaked in cold water for 24 hours prior to manufacturing of wood wool board, whereas the other species can be processed directly.The physical and mechanical properties of wood wool boards made from three wood species (Shorea platyclados, Acacia mangium and Shorea leprosulaf) catalyzed with CaCl2 solution were in conformity with the DIN 1101 standard Nevertheless, only two species (S. platyclados and A. mangium) catalyzed with Ca(OH)2 suspension met the standard requirement.

PEMANFAATAN BATANG PISANG (Musa sp.) SEBAGAI BAHAN BAKU PAPAN SERAT DENGAN PERLAKUAN TERMO-MEKANIS Lis Nurrani
Jurnal Penelitian Hasil Hutan Vol 30, No 1 (2012): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Limbah pertanian merupakan salah satu bahan penghasil serat yang berpotensi sebagai penggantikayu. Penelitian dilakukan untuk mengeksplorasi potensi batang pisang sebagai bahan baku papan seratmelalui sifat fisis dan mekanis papan serat. Pemisahan serat dilakukan dengan perlakuan termo-mekanispada suhu 60C, 80C dan 100C, dan penambahan perekat 4% dan 0% dari berat kering tanur serat.Pembentukan lembaran dengan proses basah, dilanjutkan dengan kempa hidrolik kemudian kempapanas pada suhu 185C, tekanan 50 kg/cm selama10 menit. Hasil penelitian menunjukkan rendemenpulp 35,76% dimana sifat fisis dan mekanis papan serat memenuhi standar FAO 1966 dan JIS A 5908-2003 kecuali penyerapan airnya yang sangat tinggi. Penambahan perekat 4% tidak memberikanpengaruh nyata terhadap peningkatan kualitas papan serat. Perlakuan suhu perebusan serpih,memberikan pengaruh nyata, dimana semakin tinggi suhu kualitas papan semakin baik. Kualitas papanserat terbaik didapatkan dari perlakuan suhu perebusan serpih 100C.

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Editorial Team

Contact

Reviewer

Google Scholar

Contact Name
-

Contact Email
-

Phone
-

Journal Mail Official
-

Editorial Address
-

Location
Kota bogor,

Jawa barat

INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name -

Contact Email -

Phone -

Journal Mail Official -

Editorial Address -

Location Kota bogor, Jawa barat INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
-

Contact Email
-

Phone
-

Journal Mail Official
-

Editorial Address
-

Location
Kota bogor,

Jawa barat

INDONESIA