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Jurnal Teknologi Pertanian
Published by Universitas Brawijaya
ISSN : 14115131     EISSN : 25282794     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Computer Science & IT
Jurnal Teknologi Pertanian diterbitkan oleh Fakultas Teknologi Pertanian Universitas Brawijaya untuk penyebarluasan hasil penelitian yang dilakukan oleh para peneliti dari dalam dan luar Fakultas Teknologi Pertanian Universitas Brawijaya. Jurnal Teknologi Pertanian terbit tiga kali dalam setahun, memuat tulisan hasil penelitian yang termasuk dalam lingkup disiplin ilmu pengetahuan yang terkait dengan Ilmu-ilmu Teknologi Pertanian guna menunjang pengembangan ilmu pengetahuan dan teknologi serta pembangunan nasional.
Arjuna Subject : -
Articles 570 Documents
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Perbaikan Metode Kerja di Bagian Pelintingan Rokok dengan Menggunakan Studi Gerak dan Waktu untuk Meningkatkan Efisiensi Kerja (Studi Kasus di P.R. Sumber Rejeki Wajak Malang). Alifia, Rizka; Santoso, E.F. Sri Maryani; Hidayat, Nur
Jurnal Teknologi Pertanian Vol 5, No 2 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Pengelolaan perusahaan dapat dilakukan dengan baik melalui peningkatan produktivitas kerja terutama untuk perusahaan yang proses produksinya dilakukan secara manual. Perusahaan rokok Sumber Rejeki adalah salah satu perusahaan yang proses produksinya dilakukan secara manual. Permasalahan yang terjadi adalah perusahaan hanya bisa memenuhi 75% target produksi yang ada. Perbaikan metode kerja di bagian pelintingan rokok dapat dilakukan untuk mengatasi masalah tersebut. Perbaikan metode kerja ini bisa dilakukan melalui studi gerak dan waktu. Tujuan dari penelitian ini adalah meningkatkan efisiensi kerja melalui perbaikan metode kerja pada bagian pelintingan. Hasil penelitian menunjukkan dari perbaikan metode kerja pada proses pelintingan rokok di P.R. Sumber Rejeki yang dilakukan dengan merubah tata letak, menggabungkan gerakan tangan kiri dan tangan kanan, serta mengeliminasi gerakan menunggu (unavoidable delay) dan memegang untuk memakai (hold). Perbaikan ini dapat mempercepat waktu siklus dan waktu standar serta meningkatkan output aktual, output standar dan efisiensi kerja.   Kata kunci: perbaikan metode kerja, waktu standar, efisiensi kerja
Mutu Sosis Lele Dumbo (Claris garipinus) Akibat Penambahan Jenis dan Konsentrasi Binder Widjanarko, Simon B.; Martati, Erryana; Nouvellia, Pritta
Jurnal Teknologi Pertanian Vol 5, No 3 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

This paper reported physico-chemical dan sensory properties of cat fish sausages from different types of formula made by different types and concentrations of binder agents. Factorial Randomized Block Design with types and concentrations of binder (skim milk, egg white and soybean flour at 3, 5 and 7 %) was used in this experiment. Each treatments were replicated 3 times. The results showed that best treatment, which was, adding skim milk at 5%, has moisture content 69,77%, protein 49,03%, fat 13,88%, texture 0,0961 mm/g/sec; WHC 54,51%, emulsion stability 98,64%. Sensories determination showed that color score was 4,90; food texture 5,00 and taste 5,40 and this sensories attributes were considered to be more likely acceptable . There was significantly different between this best treatment and controlled on its moisture content, protein, fat, food texture, WHC and emulsion stability, whereas there was significantly differention on food texture based on sensoriy studies, but color and taste were not significantly different.   Key Words :  cat fish, sausage, binder agent
Pembuatan Trigliserida Kaya Asam Lemak -3 dari Minyak Hasil Samping Pengalengan Ikan Lemuru (Sardinella longiceps) Estiasih, Teti; Ahmadi, Kgs.
Jurnal Teknologi Pertanian Vol 5, No 3 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Omega-3 fatty had benefial effect for health.  Fish oil from by product of lemuru canning process was a potential source of w-3 fatty acids.  This fish oil had to be refined by alkali to fulfill the standar of crude fish oil.  The w-3 fatty acids content in this fish oil (in the triglyceride form) could be enhanced by rapid solidification.  Modification to this process was done therefore the process was easier to handle and cheaper.  Modified rapid solidification could enrich the w-3 fatty acids content in the triglyceride form 1,87.  The residue of this process could be used as raw material  of the rapid solidification.   Key words: w-3 fatty acids, triglyceride, alkali refining, rapid solidification.
Disain Sistem Basis Data Usaha Kecil dan Menengah (UKM) Agroindustri (Studi Kasus Pada UKM Tempe) Mulyarto, Aunur R.; Purwaningsih, Isti
Jurnal Teknologi Pertanian Vol 5, No 3 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

The objective of this research is to set up data base system of SME, particularly for tempe agroindustry with emphasizing on conceptual and logical design.  Primary data was collected via deep interview and secondary data from any documents that related to the study research design includes identification and need analysis, conseptual design (build the Entity-Relationship model) and logical design (build the Relational Data Model) Base on the identification and need analysis, there were seven associated actors i.e. SME, cooperation, finance institutions, raw-material supplier, product supplier, local government and consument.  Conceptual model was built using Entity-Relationship Diagram.  There was seven entity sets and seven relation sets with one-to-many cardinality for the whole relationships.  Transformation from Entity-Relationship Model to Relational Data Model produced 14 tables, include:  Perajin, Koperasi, Penyalur, LembKeu, Modal, Produk, BahanBaku, Menjual, Menyalurkan, Menggunakan, Meminjam, Menyediakan, Menghasilkan, and MenjadiAnggota.  Each table had attributes completed with data type and data domain.   Key words : Database, Agroindustry, Conceptual Model, Small and Medium Enterprise
Analisis Kontribusi Teknologi pada Industri Susu Pasteurisasi di KUD “Dau” Malang Sunarharum, Wenny B.
Jurnal Teknologi Pertanian Vol 5, No 3 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Technology is one of key role in developing many industries but its contribution is different among the types and locations of industries. Aim of this research is to analize the aspect of technological contents in pasterurized milk industry at KUD DAU Malang.  Technometric approach was used to measure Technological Coefficient Centribution (TCC).  The result showed TCC score was 0.369 (scale 0 to 1). Inforware as one of Technology’s Component gave the score of 0.380.  This is the greatest contribution in the value added of pasteurized milk, followed by humanware, technoware, and argaware. It can be concluded that Technological Contribution in KUD DAU was not considered high enough and need to be improved. Keywords : pasteurized milk industry, Technometric approach, Technology Contribution Coefficient
Studi Kadar Nikotin dan Tar Sembilan Merk Rokok Kretek Filter yang Beredar di Wilayah Kabupaten Nganjuk Kusuma, Dani Ali; Yuwono, Sudarminto S.; Wulan, Siti Narsito
Jurnal Teknologi Pertanian Vol 5, No 3 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Tar and nicotine are subtances contained in cigaretes. Nicotine is adictive, while tar is carcinogenic and causing some diseases. Aim of this research was to know the tar and nicotine content of kretek filter cigaretes sold in Nganjuk district. Multiple sampling method was used to collect data. The data obtained were analyzed using Randomized Block Design. Results showed that nicotine content range from 1,10-2,17% and 2 brands contained nicotine more than the standard (maximum 2,0%). The tar content ranged from 0,05-0,175% and all brands contained the tar under the standard (1,5%).   Key words : Kretek filter cigaretes, tar, nicotine
Model Simulasi Pengendalian Suhu Udara Pada Mesin Pengering Cabe Dengan Kontrol Logika Fuzzy Argo, Bambang Dwi; Rahayu, Cicik
Jurnal Teknologi Pertanian Vol 5, No 3 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

The experiment is aimed to develop a model to control the air temperature of drying chamber during drying of Chilli using Logical Fuzzy Control (LFC).  The temperature characteristic of three dryer subsystem, namely the drying chamber, the commodity (chilli), and the heater, is predicted by a mathematical models based on heat and mass balances.  Mathematical model obtained were then solved by numerical analysis using a Finite Different Euler Method, followed by simultaneous solution by a method of Gauss Jordan.  Borland Delphi 5.0 program and Celeron 566 MHz and RAM 256 MB processor was used to make a simulation program. The control of drying chamber temperature is carried out by adjustment of the energy given to the heater.  The degree of deviation to the set temperature of the drying chamber and the corrected value were then used as inputs to LFC.  As an output of the LFC is the amount of energy supplied to the heater.  The input was divided into three groups of set i.e.  3.5 and 7.  The function of the input element is a symmetrical triangle function, while the one of the output element is a fuzzy singletone. It was found that the determination value (R2) of the drying chamber, the commodity and the heater were 0.65, 0.62 and 0.67 respectively with the respective RMSE value of 2.2, 2.8 and 2.3.  A set of input of 7 was found to give the best LFC as compared with other sets of input. The control of drying chamber temperature using LFC for drying of chilli is best conducted in the range of set point of 45 – 55 oC.  At a temperature of 45 oC for 72 hours, the moisture content of the chilli was reduced from about 80 % to 32.9 % wet basis with an consumption of energy of 547.02 kWh.   Keywords: Simulation, Logical Fuzzy Control, Finite Different Method, Gauss Jordan Method
Pendekatan Teori Fractal untuk Menentukan Kurva Retensi Air pada Vertisol dan Alfisol Hasil Olah Tanah Wirosoedarmo, Ruslan
Jurnal Teknologi Pertanian Vol 5, No 3 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

The water retention in the soil is determined by distribution of soil particle measurement.  The growth of the plants are influenced by the soil characters such as the structure, strength of the soil it self, the soil resitance to water The retention of the water can be estimated exactly by using the distribution data of particle measurement. So far, the determination of the water retention curve used is by using pressure plate, which is set in any pF, so it needs longer time. Model of the water retention characteristic is based on fractal model of soil structure. Up to now, soil structure is difficult to be quantitative or on the other hand, it is stated in qualitative, but by using fractal theory of soil structure, it can be quantitative. Fractal approach to set the water retention characteristic is based on water structure named Pore Solid Fractal (PSF). The model shows water retention characteristic related on water structure parameter, which means not only use the distribution of soil solid measurement related with model scaling. The calculation results using mass and measure are obtained the value of fractal mass dimension (Dm) which is estimated for alfisol = 2.555 ± 0.454, alluvial soil = 2.403 ± 0.332  and vertisol = 2.624 ± 0.419.  The corve of water resistance model is obtained in good result for alfisol with D value of 2.71, alluvial soil with D value of 2.735, and vertisol with D value of 2.878.  Based on the mechanical soil analysis, it could get the alfisol volume weight = 1.248 gr/cm2, alluvial soil = 1.107 gr/cm2, and vertisol = 2.63 gr/cm2, alfisol specific weigt = 2.915 gr/cm3, alluvial soil = 2.42 gr/cm3, and vertisol 2.63 gr/cm3, and alfisol porosity = 0.487m3/m3, alluvial soil = 0.501 m3/m3 and vertisol 0.605 m3/m3 Vertisol has the biggest D value, while alfisol has the smallest one.  Vertisol has the biggest water composition value, while alvisol has the smallest one.  It’s because there is much pliable composition in vertisol.  The D value correlation is in line with the water composition, i.e. the higher of water composition, the higher of D value.   Key Words :  fractal theory, model of soil structure, vertisol, alfisol
Decision Determining Factors of Planting for Sustainable Agriculture Kurniati, Evi
Jurnal Teknologi Pertanian Vol 6, No 1 (2005)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Various factors need to consider in running an agriculture system sustainable.  The objective of the study was to determine the most important factor on the farming decision making to run a sustainable agriculture system. Descriptive and inferential analytic methods were chosen as the research methodology. The data collected includes several variables covering economical, ecological, human resources and social aspect. A questionnaire was used as a tool to collect the prime data, and then followed by an evaluation of the multiple regressions in order to know the relationship level amongst economy, ecology, human resource and social variable to farming decision making. The result shows that the relationship amongst the variables may be expressed in a linear mathematical model as follows: Farming Dec. Making = - 0.585 + 1.01 Economy + 1.08 Ecology + 0.969 HR + 1.02 Social. The equation model indicates that the ecological variable is to be the most dominant factor in running a sustainable agriculture. Therefore, such variables must be defined to ensure that the agriculture system is run sustainable.   Key Words: farming decision making, sustainable agriculture
The Effect of Water Content to Soil Tillage Wirosoedarmo, Ruslan
Jurnal Teknologi Pertanian Vol 6, No 1 (2005)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

The aim of the research was to find out the effect of water content on the soil friability and to determine the appropriate soil water content for tillage. The soil samples were taken from Balai Benih Induk Palawija, Bedali, Lawang, Malang Regency and measurements of parameters were carried out at the Laboratory of Agricultural Power and Machinery, Faculty of Agricultural Technology, Brawijaya University, Malang from June until July 2002. The parameters used are the compression strength of soil taken from a number of soil volumes and the water contents. The results indicated that the soil strength was significantly affected by the water content as well as a combination of the water content and the volumes of soil aggregates. The reduction of volumes of soil aggregates due to decreasing of soil water content caused an increase in the soil strength. The value of soil strength ranges from 7,19 kPa to 166,39 kPa. The friability of Bedali soil was achieved in the range of soil water content: 20 – 26 % with a soil friability index (k) of 0,25-0,27.

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