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Jurnal Penelitian Hasil Hutan
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Search results for , issue " Vol 22, No 1 (2004): Jurnal Penelitian Hasil Hutan" : 2 Documents clear
BEBERAPA SIFAT DAN PEMANFAATAN ARANG DARI SERASAH DAN KULIT KAYU PINUS Komarayati, Sri; Setiawan, Dadang; 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.
KEAWETAN 52 JENIS KAYU INDONESIA Sumarni, Ginuk; Muslich, Mohammad
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 (4354.929 KB) | DOI: 10.20886/jphh.2004.22.1.1-8

Abstract

Fifty two Indonesian wood species were collected from forest areas in Indonesia for durability test. The samples measuring 60 cm (in length) by 5 cm (width) by 5 cm (height) were prepared. The durabilitys field test was conducted at Cikampek experimental forest using a graveyard method. The samples were vertically but partially buried lengthwise in the soil, leaving behind 10 cm upright still exposed to the air. The spaces (distances) between the buried samples were 15 cm. Assessment on the buried samples (stacks) was carried out once after the succession of each 6-month interval. The assessment involved the degrees of attack by termites and the depth (extent) of decay inflicted by particular fungi. Afterwards, the 52 wood species as each represented by their tested stacks/samples could be categorized into five durability classes. Most of the samples were severely attacked by termites. Forty nine out of 52 wood species (i.e. 94 percent) were attacked by termites. Meanwhile, the remaining 3 wood species (Glochindion philippicum Robins., Blumeodendron kurzii J.J. S.M. and Myristica lognifes Ward.) were attacked by the decaying fungi. Therefore, those three species were categorized as durability class V. In total, there were 33 wood species (63,4 percent) that belonged to durability class V, 17 wood species (32,6 percent) as class IV and 2 wood species (3,8 percent) as class III. Since none can be categorized as durability class I or II. the preservative treatment is necessary for the overall 52 wood species. The species categorized as durability class III were rengas manuk (Gluta wallichii (Hook f Ding Hou) and kempas (Koompasia malaccensis Maing.).

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