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D Martono
Pusat penelitian dan pengembangan hasil hutan
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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 | 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.
KEANEKARAGAMAN FOSIL KAYU DI BAGIAN BARAT PULAU JAWA Y I Mandang; D Martono
Jurnal Penelitian Hasil Hutan Vol 14, No 5 (1996): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (7065.697 KB) | DOI: 10.20886/jphh.1996.14.5.192–203

Abstract

A preliminai y survey on wood fossil  was carried out at three fossil yards around Ciampea, Leuwiliang and  Jasinga,  West  Java.  The purpose  of the survey was to find  out the diversity of ancient trees of the respective areas.  Fossils examined were limited to those having diameter 30 cm up only.   Identification was made by examining anatomical features  which can be detected by the aid of a 10 x illuminated magnifier.  The results are as follows  : 81. 4 percent  out of 199 fossils  examined  are  belongs  to  Dipterocarpaceae;  among  those  dipterocarp fossils,   19.4 percent  are Dryobalanoxylon,   a  genus  which no longer has  extant living in the present  day natural forest of Java; non dipterocarp fossils  are less than those of dipterocarp;  among them are Alstonioxylon,   Calophylloxylon,   Dillenioxylon,   Ochanostachysoxylon, Tenninalioxylon,  and some fossil  of Leguminosae.   These  results  indicate  that some  time in the past,  during  some already gone epoch, the diversity of  trees  in  the west region of Java island was similar to the diversity of  trees  in Sumatera  and Kalimantan islands nowadays  where dipterocarp trees are relatively  abundant.   Further  study  on  the precisely  described  origin  and  accurately  dated  fossils  is highly recommended.Key words :    Dipterocarpaceae,   wood fossil, Java
PENGAWETAN LIMA JENIS KAYU UNTUK PERUMAHAN SECARA RENDAMAN DINGIN DENGAN BAHAN PENGAWET CCB Sasa Abdurrohim; D Martono
Jurnal Penelitian Hasil Hutan Vol 20, No 4 (2002): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3665.771 KB) | DOI: 10.20886/jphh.2002.20.4.303-312

Abstract

Investigation about the cold-soaking treatment has been conducted on five wood species (i.e. keruing, nyatoh, melur, pulai and meranti merah) for housing purposes. The penetrating preservative for this case was CCB (copper-chrome-boron) chemicals. Before being treated. the wood specimens measuring 3 - 5 cm (in length) by 3 - 5 cm (in width) were prepared from each of the five species. Such specimens could not be treated by implementing the conventionally prescribed treating schedule. because the measurement of preservative retention at such schedule should follow the revised standard/schedule which differed from the conventional one. Hence, in cold-soaking treatment using CCB preservative, the specimens of wood species for such purpose had to be modified in their sizes/shapes.Three different sizes/shapes were prepared, i.e. beam, truss, and rafters; and then were allowed to reach their air-dry moisture contents. Afterwards. they underwent cold-soaking treatment using CCB preservative in two different concentrations (i.e. 5 percent and 10 percent). Meanwhile. the soaking durations implemented for each concentration were consecutively 3,5 and 7 days.The results revealed that all the wood species in all three sizes/shapes (i.e. beam. truss. and rafters)could be treated using the revised schedule. Except for meranti in truss and rafter. Related as such. the revised treating schedule for these five species has been appropriately devised.
STUDI KASUS ALIH TEKNOLOGI PENGOLAHAN ROTAN LEPAS PANEN DI KPH KUNINGAN D Martono; Triyono P
Jurnal Penelitian Hasil Hutan Vol 16, No 4 (1999): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1938.127 KB) | DOI: 10.20886/jphh.1999.16.4.201-208

Abstract

Industri pengolahan rotan washed and sulfunzed (W&S) yang menggunakan bahan baku rotan lepas panen telah dibangun di KPH Kuningan (Jawa Barat) untuk keperluan studi alih teknologi. Tujuan dari studi ini adalah untuk mengevaluasi: 1) sejauh mana alih teknologi dapat diadopsi oleh masyarakat yang tinggal di sekitar hutan di KPH Kuningan dan 2) penerimaan pasar terhadap rotan W&S hasil pengolahan masyarakat.Hasil studi menunjukkan bahwa alih teknologi berjalan secara efektif dimana prosedur pengolahan rotan dapat dipahami dengan mudah oleh masyarakat sehingga kegiatan pengolahan rotan berjalan baik. Setiap hari dapat diproduksi 300 batang rotan W&S yang kualitasnya sesuai dengan permintaan pasar. Studi ini menilai bahwa penerapan pengolahan rotan panen bermanfaat bagi petani atau masyarakat pedesaan. Meskipun demikian, penyempumaan teknologi pengolahan rotan lepas panen yang ditunjang analisis biaya masih perlu dilakukan. Dengan cara ini, rotan W&S hasil pengolahan masayarakat dapat dijual secara bersaing di pasaran.
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.
KEANEKARAGAMAN FOSIL KAYU DI BAGIAN BARAT PULAU JAWA Y I Mandang; D Martono
Jurnal Penelitian Hasil Hutan Vol 14, No 5 (1996): 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.1996.14.5.192–203

Abstract

A preliminai y survey on wood fossil  was carried out at three fossil yards around Ciampea, Leuwiliang and  Jasinga,  West  Java.  The purpose  of the survey was to find  out the diversity of ancient trees of the respective areas.  Fossils examined were limited to those having diameter 30 cm up only.   Identification was made by examining anatomical features  which can be detected by the aid of a 10 x illuminated magnifier.  The results are as follows  : 81. 4 percent  out of 199 fossils  examined  are  belongs  to  Dipterocarpaceae;  among  those  dipterocarp fossils,   19.4 percent  are Dryobalanoxylon,   a  genus  which no longer has  extant living in the present  day natural forest of Java; non dipterocarp fossils  are less than those of dipterocarp;  among them are Alstonioxylon,   Calophylloxylon,   Dillenioxylon,   Ochanostachysoxylon, Tenninalioxylon,  and some fossil  of Leguminosae.   These  results  indicate  that some  time in the past,  during  some already gone epoch, the diversity of  trees  in  the west region of Java island was similar to the diversity of  trees  in Sumatera  and Kalimantan islands nowadays  where dipterocarp trees are relatively  abundant.   Further  study  on  the precisely  described  origin  and  accurately  dated  fossils  is highly recommended.Key words :    Dipterocarpaceae,   wood fossil, Java
PENGAWETAN LIMA JENIS KAYU UNTUK PERUMAHAN SECARA RENDAMAN DINGIN DENGAN BAHAN PENGAWET CCB Sasa Abdurrohim; D Martono
Jurnal Penelitian Hasil Hutan Vol 20, No 4 (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.2002.20.4.303-312

Abstract

Investigation about the cold-soaking treatment has been conducted on five wood species (i.e. keruing, nyatoh, melur, pulai and meranti merah) for housing purposes. The penetrating preservative for this case was CCB (copper-chrome-boron) chemicals. Before being treated. the wood specimens measuring 3 - 5 cm (in length) by 3 - 5 cm (in width) were prepared from each of the five species. Such specimens could not be treated by implementing the conventionally prescribed treating schedule. because the measurement of preservative retention at such schedule should follow the revised standard/schedule which differed from the conventional one. Hence, in cold-soaking treatment using CCB preservative, the specimens of wood species for such purpose had to be modified in their sizes/shapes.Three different sizes/shapes were prepared, i.e. beam, truss, and rafters; and then were allowed to reach their air-dry moisture contents. Afterwards. they underwent cold-soaking treatment using CCB preservative in two different concentrations (i.e. 5 percent and 10 percent). Meanwhile. the soaking durations implemented for each concentration were consecutively 3,5 and 7 days.The results revealed that all the wood species in all three sizes/shapes (i.e. beam. truss. and rafters)could be treated using the revised schedule. Except for meranti in truss and rafter. Related as such. the revised treating schedule for these five species has been appropriately devised.
STUDI KASUS ALIH TEKNOLOGI PENGOLAHAN ROTAN LEPAS PANEN DI KPH KUNINGAN D Martono; Triyono P
Jurnal Penelitian Hasil Hutan Vol 16, No 4 (1999): 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.1999.16.4.201-208

Abstract

Industri pengolahan rotan washed and sulfunzed (W&S) yang menggunakan bahan baku rotan lepas panen telah dibangun di KPH Kuningan (Jawa Barat) untuk keperluan studi alih teknologi. Tujuan dari studi ini adalah untuk mengevaluasi: 1) sejauh mana alih teknologi dapat diadopsi oleh masyarakat yang tinggal di sekitar hutan di KPH Kuningan dan 2) penerimaan pasar terhadap rotan W&S hasil pengolahan masyarakat.Hasil studi menunjukkan bahwa alih teknologi berjalan secara efektif dimana prosedur pengolahan rotan dapat dipahami dengan mudah oleh masyarakat sehingga kegiatan pengolahan rotan berjalan baik. Setiap hari dapat diproduksi 300 batang rotan W&S yang kualitasnya sesuai dengan permintaan pasar. Studi ini menilai bahwa penerapan pengolahan rotan panen bermanfaat bagi petani atau masyarakat pedesaan. Meskipun demikian, penyempumaan teknologi pengolahan rotan lepas panen yang ditunjang analisis biaya masih perlu dilakukan. Dengan cara ini, rotan W&S hasil pengolahan masayarakat dapat dijual secara bersaing di pasaran.
Co-Authors Achmad Supriadi O Rachman Sasa Abdurrohim T Puspitodjati Triyono P Y I Mandang