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INDONESIA
Jurnal Keteknikan Pertanian
Published by Institut Pertanian Bogor
ISSN : 24070475     EISSN : 23388439     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Keteknikan Pertanian dengan No. ISSN 2338-8439, pada awalnya bernama Buletin Keteknikan Pertanian, merupakan publikasi resmi Perhimpunan Teknik Pertanian Indonesia (PERTETA) bekerjasama dengan Departemen Teknik Mesin dan Biosistem (TMB) IPB yang terbit pertama kali pada tahun 1984, berkiprah dalam pengembangan ilmu keteknikan untuk pertanian tropika dan lingkungan hayati. Jurnal ini diterbitkan dua kali setahun. Penulis makalah tidak dibatasi pada anggota PERTETA tetapi terbuka bagi masyarakat umum. Lingkup makalah, antara lain: teknik sumberdaya lahan dan air, alat dan mesin budidaya, lingkungan dan bangunan, energi alternatif dan elektrifikasi, ergonomika dan elektronika, teknik pengolahan pangan dan hasil pertanian, manajemen dan sistem informasi. Makalah dikelompokkan dalam invited paper yang menyajikan isu aktual nasional dan internasional, review perkembangan penelitian, atau penerpan ilmu dan teknologi, technical paper hasil penelitian, penerapan, atau diseminasi, serta research methodology berkaitan pengembangan modul, metode, prosedur, program aplikasi, dan lain sebagainya.
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol. 12 No. 2 (1998): Buletin Ketenikan Pertanian" : 5 Documents clear
Rice fields are considered to be among the highest sources of atmospheric methane, an important source of global warming. In order to meet the projected rice needs of the increasing world population, it is estimated that the annual world's rough rice production must increase to 760 million tons (a 65% increase) in the next 30 years. This will increase methane emissions from rice fields if current technologies are kept (Minami and Neue, 1993). Indonesia, a country of which rice is one of its Arief Sabdo Yuwono
Jurnal Keteknikan Pertanian Vol. 12 No. 2 (1998): Buletin Ketenikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.012.2.%p

Abstract

Rice fields are considered to be among the highest sources of atmospheric methane, an important source of global warming. In order to meet the projected rice needs of the increasing world population, it is estimated that the annual world's rough rice production must increase to 760 million tons (a 65% increase) in the next 30 years. This will increase methane emissions from rice fields if current technologies are kept (Minami and Neue, 1993). Indonesia, a country of which rice is one of its staple foods, produces 43.2 M tons of rice per year (Indonesia's Central Bureau of Statistics, 1992). It is produced from wetland paddy of 9.2 M ha and 1.2 M ha dry land paddy.  
Terminologi traktor beserta peralatan dan pengoperasiannya atau yang berkaitan dengan traktor, umumnya berasal dan berkembang dari negara-negara pembuat dan pengembang traktor pertanian. Ide awal dari penyusunan terminologi ini berasal dari usulan Prof. Dr. Jun SAKAI (JICA expert), dan diterima dengan baik oleh staf Laboratorium Alat dan Mesin Budidaya Pertanian, Jurusan Teknik Pertanian, FATETA, IPB, yang juga melihat perlunya penyusunan terminologi di bidang keteknikan pertanian agar orang-ora E Namaken Sembiring; Radite Praeko A S; I Nengah Suastawa; Tineke Mandang
Jurnal Keteknikan Pertanian Vol. 12 No. 2 (1998): Buletin Ketenikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.012.2.%p

Abstract

Terminologi traktor beserta peralatan dan pengoperasiannya atau yang berkaitan dengan traktor, umumnya berasal dan berkembang dari negara-negara pembuat dan pengembang traktor pertanian. Ide awal dari penyusunan terminologi ini berasal dari usulan Prof. Dr. Jun SAKAI (JICA expert), dan diterima dengan baik oleh staf Laboratorium Alat dan Mesin Budidaya Pertanian, Jurusan Teknik Pertanian, FATETA, IPB, yang juga melihat perlunya penyusunan terminologi di bidang keteknikan pertanian agar orang-orang yang bergerak di bidang keteknikan pertanian berkomunikasi dalam istilah dengan pengertian yang sama.  
The Optimum Water Management on Tidal Irrigation Land Telang I, South Sumatera Pande Munthe; Nora H Pandjaitan
Jurnal Keteknikan Pertanian Vol. 12 No. 2 (1998): Buletin Ketenikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.012.2.%p

Abstract

The increasing of food demand and maintaning the national food self supporting program have become the goverment concern. On the other side farm land convertion (especially in Java and Bali) into non-farm land has increased. So, as one of the solution, the goverment has opened many new farm lands outside Java. Most of them are tidal land. Tidal lands need an occurate contruction and water management system. The aim of the study is to determine the water management system for tidal irrigation land (on farming level) by controling water surface according to the cropping pattern. The location of study is Telang I tidal irrigation area, Kabupaten MusiBanyuasin, South Sumatera.
The ratio of specifc heat capacity, at constant presszrre to that at constant volume (cdc,J, of a gas can be determined by either the adiabatic expansion method or the sound velocity method. The objective of this experiment is apply the adiabatic expansion method for determining the spec$c heat capacity ratio of gas N2 and O2 The result showed that the ratio were 1.14 and 1.19 respectively for gas N2 and 02.T he value obtained by the experiment was d~flerenta bout 15 to 19% from the result deter Wiludjeng Trisasiwi; Dyah Wulandani; Kamaruddin Abdullah; Armansyah H Tambunan
Jurnal Keteknikan Pertanian Vol. 12 No. 2 (1998): Buletin Ketenikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.012.2.%p

Abstract

The ratio of specifc heat capacity, at constant presszrre to that at constant volume (cdc,J, of a gas can be determined by either the adiabatic expansion method or the sound velocity method. The objective of this experiment is apply the adiabatic expansion method for determining the spec$c heat capacity ratio of gas N2 and O2 The result showed that the ratio were 1.14 and 1.19 respectively for gas N2 and 02.T he value obtained by the experiment was d~flerenta bout 15 to 19% from the result determined by theoretical method using 5 degree of Jkeedom. Theoretically cdc,, of both gas N2 and 0 2 which have 5 degree offreedom are 1.4. The dzflerence was considered to be caused by thee xperimental condition, which were not suflciently adiabatic, as required by the method. However, the simplicity of the method and clarity of its theoretical approach is advantageous to be used by students of Advance Thermodynamic class as a practical exercise.
The more important limitation in process design for agricultural products is the lack of information on their thermal properties. Although a lot of experimental data can be found, the variety of product and the differences ij measurement method make limitation on the value of the available data, especially for indonesia'a products. These data are needed to get information about temperature change when product was processed like hetaing or cooling. It is worth to optimize efficiency of energ Lamhot P Manalu; Kamaruddin Abdullah
Jurnal Keteknikan Pertanian Vol. 12 No. 2 (1998): Buletin Ketenikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.012.2.%p

Abstract

The more important limitation in process design for agricultural products is the lack of information on their thermal properties. Although a lot of experimental data can be found, the variety of product and the differences ij measurement method make limitation on the value of the available data, especially for indonesia'a products. These data are needed to get information about temperature change when product was processed like hetaing or cooling. It is worth to optimize efficiency of energy. The objective of his study is to predict thermal diffusivity and conductivity of carrot. The value was determined numerically with direct and indirect methods. The result shows that thermal conductivity is 0.626 W/moC while thermal diffusivity are 2.51 x 10- m2/s (indirect method) and 2.08 x 10- 7 m2/s (direct method)

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