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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
 35   36   37   38   39 
BUDIDAYA JAMUR PERUSAK KAYU II. PENILAIAN EFISIENSI BIOLOGI PADA MEDIA DARI LIMA BELAS JENIS KAYU Sihati Suprapti
Jurnal Penelitian Hasil Hutan Vol 5, No 6 (1988): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2491.172 KB) | DOI: 10.20886/jphh.1988.5.6.357-359

Abstract

Oyster  mushroom was cultivated on sawdust media  of  damar (Agathis  sp), durian (Durio  zibethinus Murr.),  teak. (Tectona  grandis  L.f),  jeungjing (Albizia  falcataria  (L.)   Fosb.),   rubber  (Hevea  brasiliensis Muell.  Arg.), coconut  (Cocos nucifera L.),  kemang  (Mangifera  caesia  Jack),   manii (Maesopsis eminii Engl.),   meranti  merah  (Shorea  johorensis Foxw.), nangka  (Artocarpus  integra  Merr.),   pulai  (Alstonia   scholaris R.Br.),    sehiye  (Sterculia macrophylla Vent.),   shiega  (Celtis latifolia Planch.),   sihara (Ganophyllum falcatum BL.)   and pine  (Pinus  merkusii Jung  et  De  Vr.). The  composition   of  the media  was  77,5  % sawdust   mixed   with  20  % rice  bran,   0,5 % lime,  0,5 % trisuperhosphate   and 1,5 % gypsum.  Each media  was mixed   with  distilled   water 125  - 150 % per dry  weight  of  media.  The  media  was  cooled  after  autoclave sterilization    before being  inoculated   with  pure  culture   of  the  mushroom. The  mature   mushroom    was harvested   daily after  the growth  of  the  fruiting  body.  Biological  Efficiency (BE) was calculated  based on the yield  of fresh  mushroom   in proportion  with  the  dry  weight  of  material  used  as media.The  higher BE  was obtained  from  rubber wood   sawdust   media  (86.15  %),  nangka (66.26 %),  kemang  (63,85%) and pulai  (63.52).  The  lowest  BE  was obtained  from damar  (28.22 %).
PEMBUATAN DAN KUALITAS ARANG AKTIF DARI KAYU SENGON (Paraserianthes falcataria) SEBAGAI BAHAN ADSORBEN Gustan Pari; Buchari Buchari; Aminudin Sulaeman
Jurnal Penelitian Hasil Hutan Vol 14, No 7 (1996): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (8422.166 KB) | DOI: 10.20886/jphh.1996.14.7.274-289

Abstract

The characterization  of activated charcoal from  steam activation of sengon (Paraserianthes falcataria) wood is reported in this paper. The purpose of this investigation was to study  the influences  of  temperature  and  concentration  of chemical  activator  on the activated  charcoal yield  and its  quality. The activated  charcoal  was produced  in  a stainless steel  retort  with electrical  heater  at the temperature  of  7000C, 8000C  and  9000C  and  for  activation  used NH4HCO3 with its consentration  0,5; 1,0; 3,0; 5,0 and 10% respectively.The best quality of the activated charcoal produced when the activation temperature  was 9000C with the NH4HCO3 1,0 %. The yield  of  activated  charcoal  was  5,90%,  moisturecontent 6,39  %, ash content 9,15 %, volatile matter 8,81 %, fixed  carbon 82,04 %. Adsorptive capacity of iodine was 1154,4  mg/g, NH3 25,08 %, CHCl3 42,28 %, CCl4 51,74 %, benzene 49,10% and methylene  blue 138,80 - 319,00  mg/g. Surface area was 1143,7 m2/g. The most abundance  of particle  size  was 4,00 - 5,65 micron  and pore volume  16,00 - 22,62  micron. High and diameter pore was 37,49 and 22,52 micron.
PENGARUH PENGGUNAAN CAMPURAN PUPUK ORGANIK DAN ANORGANIK TERHADAP PERTUMBUHAN ANAKAN SENGON (PARASERIANTHES FALCATARIA) R Sudradjat; Sri Komarayati
Jurnal Penelitian Hasil Hutan Vol 10, No 5 (1992): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5339.197 KB) | DOI: 10.20886/jphh.1992.10.5.150 - 155

Abstract

The purpose of this work is to study the effect of organic and anorganic fertilizer mixture  to the growth of sengon (Paraserianthes  falcataria)  seedlings. The properties tested were height increment, dry weight and number of branches.The results show that the application of fertilizer and aerobic compost combination gave a highly significant effect on promoting plant  height and dry weight of sengon seedlings as well as the number of branches,  while the application of aerobic compost had no effect on branching,Combination of 50% compost and 5 gram chicken manure give the highest plant height of 28. 34 cm,  while the lowest is in the treatment  of 0.25 gram NPK, that is 1.48 cm. Combination of 40% compost and 5 gram chicken manure give the highest plant dry weight of 0.89 gram, while the lowest is in the NPK treatment.
ISOLASI OLEORESIN DARI KULIT KAYU MANIS DENGAN PROSES PERKOLASI Jacob Ando
Jurnal Penelitian Hasil Hutan Vol 4, No 1 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3237.886 KB) | DOI: 10.20886/jphh.1987.4.1.22-25

Abstract

The result of oleoresin from Cassia vera bark by percolation process is presented in this report. The analyses comprise of the determination of oleoresin yield, essential oil and cinnamic aldehyde. The determination based on oven dry weight revealed that oleoresin yield vary from  6.27- 7.48 percent; essential oil content from 8.10-9.92 percent and cinnamic aldehyde content from 39.53-41.59 percent. The optimum yield of oleoresin was produced at temperature of 25°C and with two hours time of percolation process. Temperature and time of percolation process indicated a non significant effect to the cinnamic aldehyde yield.
BEBERAPA SIFAT DAN PEMANFAATAN ARANG DARI SERASAH DAN KULIT KAYU PINUS Sri Komarayati; Dadang Setiawan; Mahpudin Mahpudin
Jurnal Penelitian Hasil Hutan Vol 22, No 1 (2004): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3403.295 KB) | DOI: 10.20886/jphh.2004.22.1.17-22

Abstract

This paper deals with a study on the properties, quality and uses of charcoal made from pine litter and bark. The study was intended to see the possibility of using pine litter and bark for compost, mixture of compost charcoal manufacturing, and growing media. The abundance of pine litter and bark left on the forest floor initiated this study. Only some of the pine bark was used for fuel.The results revealed that the charcoal made from pine litter and bark showed the following properties: moisture content at 5.23 - 7.81 percent ; ash content 1.88 - 13. 76 percent ; volatile matter 26.19- 32.60 percent; fixed carbon 53.63 - 71.93 percent, and colorivic value 7192 cal/gr. The macro-nutrient content of pine bark was categorized as moderate for N-total, P205, K20 and water-based pH, as high for C organic and C/N ratio, and as low for CaO and MgO. The quality of compost and compost charcoal made from pine litter and bark met the related standard, among others. Pat 1.12- 1.24 percent; K 1.47- 1,62 percent ; Mg 0.67- 1.05 percent; moisture content 55.81 - 56.21 percent; pH 6.8- 7.2 and C/N ratio 18.89- 20.10.
LONGITUDINAL VARIATION OF PHYSICAL AND MECHANICAL PROPERTIES OF ARENGA (ARENGA PINNATA) WOOD S Kamasudirdja; E Sarwono
Jurnal Penelitian Hasil Hutan Vol 6, No 5 (1989): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (7749.761 KB) | DOI: 10.20886/jphh.1989.6.5.304-313

Abstract

Tulisan  ini menyajikan hasil penelitian  variasi kerapatan  arah longitudinal  dan beberapa sifat  mekanis  kayu  aren yang diambil  dari Jasinga,  Jawa Barat. Beberapa  sifat yang  disebut   belakangan termasuk  di dalamnya  adalah keteguhan  lentur, keteguhan tekan,  keteguhan  pukul  radial/tangensial  dan kekerasan  ujung/sisi permukaannya.Analisis  statistik   menggunakan  prosedur  analisa   tersarang,  menunjukkan  suatu  pengaruh   beda nyata  tempat  kedudukan  di atas tanah  terhadap  kekuatannya    pada  kadar air kayu  kering  udara.   Walaupun  demikian pengaruh  serupa  tidak terlihat jelas pada kondisi  kadar air kayu  basah.
IDENTIFIKASI POLA DAN EFISIENSI TATA NIAGA ROTAN DI JAWA Achmad Supriadi; Osly Rachman
Jurnal Penelitian Hasil Hutan Vol 19, No 4 (2001): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2778.627 KB) | DOI: 10.20886/jphh.2001.19.4.209-218

Abstract

The marketing chain of rattan commodity is closely related to the income distribution of those who perform efficiently the marketing and mechanism system of rattan. This study deals with the investigation on the patterns of rattan-marketing in Java, i.e. (I) Inter-islands merchant --> rattan crafter --> crafter collector --> domestic consumer; (2) Inter-islands merchant --> rattan crafter --> domestic consumer; (3) Rattan crafter --> exporter producer --> overseas consumer.Viewed from the degree of benefit, all the parties involved in those rattan-marketings have gained a reasonable benefit with the revenue and cost ratio (RCR) values ranging between 1.11 and 1.27. Evaluated from the benefit distribution, rattan marketing with pattern (1) was efficient, while those with pattern (2) and (3) were inefficient and the most efficient, respectively. In the pattern (3). there appeared a positive trend about the presence of domination by Exporter producer. This is be cause that domination has brought about some benefit to those taking part in the other rattan-marketing activities. Keywords : Rattan, marketing, efficiency, and benefit.   
PEMBUATAN ARANG KAYU KARET (Hevea brasilliensis) PADA TUNGKU KUBAH MODEL S-93 Tjutju Nurhayati
Jurnal Penelitian Hasil Hutan Vol 13, No 1 (1995): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4390.068 KB) | DOI: 10.20886/jphh.1995.13.1.37-44

Abstract

Dome kiln of S-93 model with 1.40 m3 capacity was built for charcoal production of rubber wood (Hevea brasilliensis). Two clones of rubber wood used as raw materials were AVROS 2037 and GT-Twhich were 15 and 25 years old, respectively.Charcoal yield, conversion efficiency from wood 10 charcoal, rate of production and quality between AVROS and GT-T were not significant. the percentage of yield was 26.9 % , efficiency was 39.2 % and rate of production was 1.6 kg/hour. the quality of charcoal showed that volatile melter content was 17.43 %, fixed carbon 78.64 %, ash content 3.92 % and catoriffic value 6582 kcal/kg.
KONDISI RUANGAN KERJA PADA TIGA PABRIK KAYU LAPIS DI SUMATRA SELATAN Maman Mansyur Idris; Sona Suhartana
Jurnal Penelitian Hasil Hutan Vol 5, No 5 (1988): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4903.35 KB) | DOI: 10.20886/jphh.1988.5.5.269-274

Abstract

 An investigation   on   working   conditions   of  three  plywood  factories  in  South   Sumatra   was conducted in 1987; The  objective is to find  out  the  workers judgement   about   their  working  conditions in  terms  of  conveniences.The   total  of  265   respondents   from  plywood  factories employed  in  the  processing  steps  of  wood  preparation, peeling,  reeling, unreeling, veneer  drying, veneer  preparation,   gluing,  pressing, finishing, quality  control, packaging, workshops and laboratories were interviewed.The  results showed that  in  each processing  step, more  than  60%  respondents  felt their  working space conditions were  far  from being convenient   due  to  inappropriate   air circulation, dust, bad  smell noise, and  vibration. 
PRODUKSI NATA FRUTICANS DARI NIRA NIPAH Mody Lempang
Jurnal Penelitian Hasil Hutan Vol 31, No 2 (2013): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3509.161 KB) | DOI: 10.20886/jphh.2013.31.2.110-119

Abstract

Nipah (Nypa fruticans Wurmb.) menghasilkan nira yang dapat diperoleh melalui penyadapan tandan buah. Dalam keadaan segar nira nipah memiliki rasa manis karena mengandung gula yang cukup tinggi. Cairan ini merupakan media yang subur bagi pertumbuhan mikroorganisme, sehingga nira nipah berpotensi digunakan sebagai bahan baku untuk menghasilkan produk melalui proses fermentasi seperti nata. Nata merupakan jenis pangan yang dikelompokkan sebagai makanan penyegar atau pencuci mulut. Percobaan produksi nata fruticans dilakukan melalui proses fermentasi nira nipah yang masih segar dengan perlakuan penambahan gula 0, 50, 75 dan 100 g per liter nira nipah. Produksi nata fruticans dari nira nipah segar yang ditambahkan gula pada berbagai kadar diperoleh rendemen antara 76,52%-90,97% atau rata-rata 86,05%. Penambahan gula pada nira nipah segar berpengaruh tidak nyata terhadap rendemen produksi nata fruticans. Penggunaan nira nipah segar dengantanpa penambahan gula menghasilkan nata fruticans dengan rendemen rata-rata 83,74%. 

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