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Zakaria Basari
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Energy Materials Science & Nanotechnology

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 1 
EVEKTIVITAS PENGGUNAAN TIRFOR DAN KATROL TUAS PADA PENEBANGAN JATI DI JAWA TENGAH Maman Mansyur Idris; Zakaria Basari; Soenarno Soenarno
Jurnal Penelitian Hasil Hutan Vol 2, No 4 (1985): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4778.193 KB) | DOI: 10.20886/jphh.1985.2.4.8-13

Abstract

The study  of  tirfor  and lever block  effectiveness in teak felling was conducted at the Perum Perhutani  (The Forest State  Corporation) Unit I Central Java on June 1982 and July  1983. Both felling equipments were used cut the press down  to the desired directions.The purpose  of  the  study  is to find  out  the effects  of tirfor and lever block  on log damager in felling actives.  The study  was carried out  in a three  locations  with  different slopes  i.e. 0 -10% and 11 – 30%.The result  indicates  that on  the  11 - 30% slope,  the  tirfor  reduces 5.25%  log damages compared  with  that of the lever block.  It is concluded that in sloped areas tirfor is more efective  then lever block.
EVEKTIVITAS PENGGUNAAN TIRFOR DAN KATROL TUAS PADA PENEBANGAN JATI DI JAWA TENGAH Maman Mansyur Idris; Zakaria Basari; Soenarno Soenarno
Jurnal Penelitian Hasil Hutan Vol 2, No 4 (1985): 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.1985.2.4.8-13

Abstract

The study  of  tirfor  and lever block  effectiveness in teak felling was conducted at the Perum Perhutani  (The Forest State  Corporation) Unit I Central Java on June 1982 and July  1983. Both felling equipments were used cut the press down  to the desired directions.The purpose  of  the  study  is to find  out  the effects  of tirfor and lever block  on log damager in felling actives.  The study  was carried out  in a three  locations  with  different slopes  i.e. 0 -10% and 11 – 30%.The result  indicates  that on  the  11 - 30% slope,  the  tirfor  reduces 5.25%  log damages compared  with  that of the lever block.  It is concluded that in sloped areas tirfor is more efective  then lever block.
TEKNIK PEMBONGKARAN TUMBUHAN INVASIF Acacia nilotica (L) Willd. Ex. Del DENGAN TIRFOR DI TAMAN NASIONAL BALURAN JAWA TIMUR Zakaria Basari
Jurnal Penelitian Hasil Hutan Vol. 30 No. 4 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.4.279-290

Abstract

The objective of this research is to study the effectiveness of semi mechanical control of Acacia nilotica (L) Willd. Ex. Del using tirfor in Baluran National Park in 2009. The results showed that the 75 trees were trunked using tirfor but 15 tree maually. The average productivity of each was 3,59 trees per hour and 0,5 trees per boar. The averages operational cost were Rp 5,277/ trees and Rp 16,666/trees. The soil bas been displaced with an average rate of 1%/ m per trees and 6,252 / mi per trees for semi mechanic and manual. Respectively the volume of 1,5587 m has been produced from 75.A. nilotica lry using tirfor and 0,3 m from manually. All of wood produced bas not been utilized yet.
ANALISIS PRODUKTIVITAS, BIAYA OPERASI DAN PAMADATAN TANAH PADA PENYARADAN TRAKTOR VALMET FORWARDER 890.3 DI AREAL HTI PROVINSI RIAU Zakaria Basari; Dulsalam
Jurnal Penelitian Hasil Hutan Vol. 30 No. 1 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.1.17-26

Abstract

The analisys of wood extraction using a Valmet forwarder tractor was carried out at industrial plantation forest PT. RAPP in Rian Province. The objective was to investigate productivity, operational cost, and soil compaction. The results showed that extraction productivity was 22,43 m³/hours. Average cost extraction average was Rp 20.935,-/m². Soil compaction was observed to be minor.
FAKTOR EKSPLOITASI HUTAN DI SUB REGION KALIMANTAN TIMUR Soenarno; Wesman Edom; Zakaria Basari; Dulsalam; Sona Suhartana; Yuniawati
Jurnal Penelitian Hasil Hutan Vol. 34 No. 4 (2016): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2016.34.4.335-348

Abstract

Forest harvest is the first activity to undertake in extracting logs from the forest site. The amount of wood wastes generated during logging operation can be used for measuring the value of exploitation factor (FE). The greater FE indicates more efficient of wood utilization. Indonesian government has so far decided the formal FE is 0.7. This value is no longer accurate for the current better forest management situation which adopting practices of reduced impact logging-RIL and or RIL-C. Considering from economic aspects, the FE value has a very important role, i.e. as multiplying factor in determining annual allocation of wood production (JPT) and as a basic parameter in predicting earn business provision of natural forest (PSDH). Ecological aspects may interprete that the bigger FE value will bring about reduction of forest damages. This paper examines the FE in Sub-Region of East Kalimantan. Results show that the proper FE value for the East Kalimantan Province is ranged between 0.77 – 0.89. The amount of FE value is more influenced by factor of feller skills than the management competence factor of IUPHHKHA.
Co-Authors Dulsalam Maman Mansyur Idris Soenarno Soenarno Soenarno Sona Suhartana Wesman Edom Yuniawati