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Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering)
Published by Universitas Lampung
ISSN : 2302 559X     EISSN : 2549 0818     DOI : -
Core Subject : Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Engineering
Jurnal Teknik Pertanian Lampung or Journal of Agricultural Engineering (JTEP-L) is a peer-reviewed open-access journal. The journal invites scientists and engineers throughout the world to exchange and disseminate theoretical and practice-oriented researches in the whole aspect of Agricultural Enginering including but not limited to Agricultural Mechanization, Irrigation, Soil and Water Engineering, Postharvest Technology, Renewable Energy, Farm Structure, and related fields. The first issue was published in October 2012 by Department of Agricultural Engineering, Faculty of Agriculture, University of Lampung. Jurnal Teknik Pertanian Lampung has ISSN number 2302 - 559X for print edition on October 10, 2012 then 2549 - 0818 for online edition on January 10, 2017. Jurnal Teknik Pertanian Lampung is issued periodically four times a year in March, June, September, and December. Jurnal Teknik Pertanian Lampung has been indexed by Google Scholar, Crossref, Directory Open Access Journals (DOAJ), and CABI. Since Volume 5 Issue 1 (2016) Jurnal Teknik Pertanian Lampung has been accredited as SINTA 3 by Directorate General of Higher Education (DIKTI). Starting Volume 10 Issue 3 (2021) the journal received accreditation SINTA 2.
Arjuna Subject : -
Articles 1,078 Documents
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RANCANG BANGUN BUCKET ELEVATOR PENGANGKAT GABAH Suhendri, Ohen; ., Tamrin; Lanya, Budianto
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 1 (2014)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (771.418 KB) | DOI: 10.23960/jtep-l.v3i1.%p

Abstract

Farmers are generally included the grain into sacks manually way is to use the tub or bucket.  It certainly require excessive manpower.  An option to helping that activity by using mechanical handling devices such as bucket elevator.  This research aims to design, manufacture and test of bucket elevators for handling of grain.  The method used in this research is the design, manufacture and testing process.  Design process is done using software autoCAD, which is followed by a manufacturing.  The next process is the testing performed by two operators and three variation rotation.  After doing the design and manufacture, it produced a bucket elevator with chain tilt angel 60º, 76,3 cm length, 74,15 cm width and 146 cm high.  From the test results, obtained volume of bucket 0.410 liter/bucket.  Capacity bucket elevator reach          20 kg/min, 16 kg/min and 14 kg/min at 54 rpm, 39 rpm and 45 rpm rotation sprocket.  The highest capacity 20 kg/min achieved at 5 inch diameter pulley, with 54 rpm rotation sprocket. Keywords: Design, grain, bucket elevator, volume bucket, capacity bucket elevator.
PHYSICAL CHARACTERISTICS TEST OF FAKE RICE COMPOSTING WITH TARO AND ONGGOK FLOURS Dinarki, Anis -
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 2 (2014)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (331.654 KB)

Abstract

Analog rice is made   of non paddy flour.  The utilization of taro flour as material for analog rice needs to be developed.  The purpose of this study was to measure the characteristics of analog rice made   from taro flour and onggok flour such as uniformity of grain, bulk density, moisture content, water absorption, and extention ability.  Granulation of the analog rice was done using a granulator with 6 different compositions of taro flour-coarse cassava flour, and taro flour – fine cassava flour with ratio of 75:25 , 85:15 , 95:5, respectively.  The results showed that the diameter of grain of analog rice affect uniformity, moisture content, water absorption, and extention ability.  In mixture of taro flour and coarse cassava flour yielded diameter of 2-4.70 mm, bulk density of 0.77-0.84 g/cm3, the water content of 11.84-12.85 %, 62.15-94.25 % water absorption, 9.30-13.46 % extention ability, whereas the mixture of cassava flour and taro flour produced diameter > 4.70, bulk density 0.74-0.83 g/cm3, the water content of 10.76-13.31 %, 57.03-76.94 % water absorption, 11.33-12:53 % extention ability. Starch content of material affect the water absorption and extention ability of the analog rice.Keywords : Taro, taro flour, onggok flour, rice, analog rice.
THE STUDY OF DRYING RATE AND PHYSICAL CHARACTERISTICS OF DRIED NOODLES WITH MIXED TAPIOCA AND WHEAT FLOUR kurniasari, eliya
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 4, No 1 (2015)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (479.369 KB)

Abstract

The purposes of this researchwere to knowthe effect of adding strach flour as a substitution material of wheatflour on the drying rate, physical characteristics and to compare the physical characteristics of dried noodleswith commercial noodles. The experimentwas designedwith four different composition ratio of starch flour andwheat flourwich are 0 : 100%; 10 : 90%; 20 : 80%, and 30 : 70% and simboleized with C0, C10, C20, and C30. Theresults of the coefisient of drying rate (k) of C0 is 0,014, higher than the other compositions. Furthermore , theadding of starch flour tends to decrease the cooking loss, water absorption and unfurl ratio, but tends to increasethe water content and the tensile strength of the noodles. Comparison between dried noodles and commercialnoodles on the physical characteristics did not significant different. The dried noodles showed the similarphysical characteristics to the commercial noodles.Keywords :dried noodles , the rate of drying ,wheat flour, tapioca flourand physical characteristics
ANALYSIS OF SATURATED HYDRAULIC CONDUCTIVITY OF PETUNG BAMBOO (Dendrocalamus asper ) ON SOME TREATMENTS Veronika Pakpahan
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 4, No 2 (2015)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (449.92 KB)

Abstract

This study aims to determine saturated hydraulic conductivity (Ks) of Petung Bamboo with several treatments.This studywas conducted inMarch-May2015, intheDepartmentofAgriculturalEngineering, FacultyofAgriculture,University of Lampung. The treatments consisted of two factors; firstwas bamboo treatment andthe secondwasbamboo positions. Bamboo treatment consisted of 3 levels; both epidermis and endodermis were not scraped,epidermiswas scraped and endodermiswas not, and both epidermis and endodermiswere scraped. In the secondfactor, bamboo was placed horizontally and vertically. Based on research conducted, Ks of unscraped layers ofthe epidermis and endodermiswas 0 cm.sec-1. For the treatment of scraped epidermis and unscraped endodermis,Kswas 3.04 x 10-10 cm.sec-1. For the treatment of bamboo epidermis and endodermis layers scraped,Kswas 5.40x 10-10 cm.sec-1. Bamboohorizontally placed had higherKs than bamboo vertically placed. The resultalso showedthat bamboowith higher density had lower hydraulic conductivity.Keywords: Hydraulic conductivity, Petung Bamboo
MODIFICATION OF WTER PUMP WIT GAS FUEL FOR PORTABLE SPRINKLER IRRIGATION SYSTEM Mukhlis Tri Handoko
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 4, No 4 (2015): Special Edition
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (194.888 KB) | DOI: 10.23960/jtep-l.v4i4.%p

Abstract

Water pump that used by farmers for irrigation in general is ussualy gasoline pump. Using gasoline as a fuel will certainly add to the production costs, because the price of gasoline is more expensive and its availability are declining . Therefore, farmers should choose an alternative fuel that is cheaper to minimize production costs, for example is LPG fuel. The purpose of this research were to test the uniformity of flow performance, uniformity of distribution and application rate of portable sprinkler irrigation with a pump of gas-fire fuel pump. This research was conducted at the Marga Agung village, Jati Agung sub-district, South Lampung  in May-June 2015. Modified propulsion pump on the fuel system (carburettor) was replaced with a universal carburetor throat. Pump performance test conducted on a portable sprinkler irrigation systems (Tusi, 2013) using three variations of the pressure (1 bar, 1.25 bar and 1.5 bar). The tests conducted to determine coefficient of uniformity (CU), beam diameter, and weeting diameter. Modifications engine pump causes fuel consumption is more efficient, but the engine tends heat faster. The value of the test results obtained 1bar pressure by 32,2% CU, the discharge of 0.64 m3/h and wetting diameter of 15 m. Whereas at a pressure of 1.25 bar of 47,1% obtained CU, the discharge of 0.79 m3/h and a wetting diameter of 16 m. Varriation of pressure effected on pump performance test measurement results. The average needs of fuel gas was 0.47 kg per hour pump operation.Key word: modification, LPG, Portable Sprinkle, performance test
PENGARUH DAYA LAMPU NEON TERHADAP PERTUMBUHAN TANAMAN PAK CHOI (Brassica rapa L.) PADA SISTEM HIDROPONIK INDOOR Ning Hartati Setiasih; Sugeng Triyono; Ahmad Tusi; Diding Suhandy
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 5, No 2 (2016)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (234.363 KB)

Abstract

The purpose of this research was to observe the influence of neon lamp power (watt) on the growth of Pak Choiin an indoor hydroponic system. This research was done by implementing several pots of Pak Choi planting undersome different treatments of lighting. The treatment consisted of neon lamp 20 watt (N1), neon 2 x 20 watt (N2),neon 40 watt (N3), neon 2 x 40 watt (N4) in a growth chamber and one treatment under the sun lighting (N0).The result of the research showed that the treatment of 2 x 40 watt neon lamp (N4) turned out to have the bestresult at all variables measured. Then, it was followed by treatment of neon 40 watt (N3) and the lowest result wasin neon 20 watt (N1). The highest biomass harvested was 35 g in N4, followed by 18 g in N3, then the 15 g in N2and 4 g in N1. However, the highest ash content was in the treatment of 20 watt neon lamp (N1), and followed byN2 (neon 2 x 20 watt). Although, Pak Choi grown under the sun ray has the highest biomass harvested, but it hadthe lowest mineral content.Keywords : Neon lamp, lamp power, Pak Choi, hydroponic wick system
TESTING ORGANONITROFOS FERTILIZER OF PLANT RESPONSES RAMPAI TOMATO (Lycopersicon pimpinellifolium) IN POT(POT EXPERIMENT Widya Gandi; Sugeng Triyono; Ahmad Tusi; Oktafri -; Sutopo Ghani Nugroho; Dermiati -; Jamalam Lumbanraja; Hanung Ismono
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 2, No 1 (2013)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (273.028 KB)

Abstract

Rampai tomato (Lycopersicon pimpinellifolium) is one important vegetable in Indonesia.  The production of rampai tomato increases every year, indicating a good opportunity for the tomato  in market. In the process of cultivation, fertilization is a very important aspect.  Advances in technology have invented some importantagricultural inputsespecially for chemical fertilizers such as Urea, TSP, KCl, NPK, and others.  Nowadays, small scaled farmers frequently face difficulty to get chemical fertilizers on market because ofeither scarcity or high price.  This condition needs to be well anticipated.  Reducing the use of chemical fertilizers by using organic fertilizers which isproduced from local and cheap natural resources is a somewhat promising solution.The organic fertilizer tested in this study is an alternative fertilizer called Organonitrofos.  Organonitrofos fertilizer is made from 70-80% cow dung and 20-30% phosphate rock, in the previous research.  Both the materials are locally available in Lampung.  This fertilizer then needs to be tested to ensureits consistency on plant production.  In this study, Organonitrofosfertilizerwas testedon rampai tomato plantsin pots (pot experiment).The study aimed  (1) to test the Organonitrofos fertilizer on the response of rampai tomato plants in pots (2)reduce the useof chemicalfertilizersin the production oframpai tomatoplants.The pot experiment was conducted in the Integrated Field Laboratory of the Faculty of Agriculture University of Lampung on January - April 2012.  The experiment used Completely Randomized Design (CR) with 7 treatment (7 combinations between chemical fertilizer and Organonitrofos), 4 replicates each.  Data collected was analyzed by using ANOVA and followed by LSD.  The variables observed were agronomic aspects (such as plant height, biomass, and production) and water consumption.  The results showedthat,based on theplant responsevariablessuch asplant height, upper and biomasses, andcrop production, treatmentC(100% Organonitrofos with 5000 kg/ha dose) was significantly different and better from every other treatment. Based on the water consumption (evaporationand irrigation), all the treatments were not significantly different.  However, the research showed that the use of 100% Organonitrofos fertilizer (5000 kg/ha); resulted in the highest water productivity (yield/water consumption).  This research also showed that the use of chemical fertilizersbe could significantly reduced by using combination between chemical fertilizers and Organonitrofos. Keywords: Rampai tomato , fertilizer, organonitrofos, plants response.
PROTOTIPE MESIN PARUT EMPULUR SAGU TIPE SILINDER BERTENAGA MOTOR BAKAR Reniana Reniana; Darma Darma; Aceng Kurniawan
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 6, No 2 (2017)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (191.103 KB)

Abstract

Diperkirakan sedikitnya 900.000 ha tanaman sagu tumbuh di Papua. Di Papua, sagu mempunyai peranan sosial, ekonomi, dan budaya yang cukup penting, karena merupakan bahan makanan pokok bagi masyarakat terutama yang bermukim di daerah pesisir. Selain digunakan sebagai makanan pokok, makanan tambahan dan makanan ternak, sagu juga digunakan sebagai bahan baku industri pangan, farmasi, tekstil, pestisida dan lain-lain. Pengolahan sagu secara tradisional yang dilakukan oleh masyarakat tidak efisien dan kapasitas produksinya sangat rendah. Untuk meningkatkan kapasitas pengolahan sagu maka perlu dirancang suatu alat pemarut sagu mekanis yang bersifat tepat guna. Tujuan dari penelitian ini adalah untuk merancang mesin parut sagu tipe silinder bertenaga motor bakar dan menguji kinerjanya. Dari hasil penelitian, menunjukkan bahwa prototipe mesin parut sagu tipe silinder bertenaga motor bakar memiliki kontruksi yang sederhana serta mudah dalam pengoperasian dan perawatan. Diperoleh hasil pengujian kinerja yang cukup baik dengan kapasitas efektif pemarutan 322.52 kg/jam dan rendemen pati 37.44 %.Kata kunci : Papua; parut sagu; prototipe; motor bakar
EFFECTS OF COPPER WIRE ADDED WICK ON THE PERFORMANCE OF WASTE COOOKING OIL STOVE Muhammad Agus Windra; Tamrin .; Agus Haryanto
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 2, No 3 (2013)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (457.527 KB)

Abstract

This study aimed to determine the effect of copper wires addition to the cloth wick on the performance of stove fueled by waste cooking oil. The study was divided into two stages.  First, is to test the capillarity of wick at different copper wires addition by observing flame quality, capillary height, and flaming period. Second, is to design a stove based on the results obtained in the first stage and to test performance of the stove in boiling water. Parameters to be observed include boiling time, rate of fuel consumption, and thermal efficiency. The results showed that the addition of copper wires increase the wick’s capillarity characterized by increasing absorption of the used cooking oil. Wick with a composition of  20 % copper wires and 80 % cloth produced the best capillarity (7.5 cm height). Waste cooking oil stove was capable to boil 3 kg of water in 15 minutes with a fuel consumption rate of 0.1275 kg/hour. The stove has a thermal efficiency of 33,33 %. Keywords: Stove, Waste cooking oil, Copper wire added wick.
[INFLUENCE OF SHADING ON THE GROWTH OF GREEN MUSTARD (BRASSICA JUNCEA L.) CULTURED IN HYDROPONIC DFT ( DEEP FLOW TECHNIQUE] aulia Nurbaiti mansyur
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 2 (2014)
Publisher : The University of Lampung

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Abstract

The study aims to determine the response of green mustard (Brassica juncea L.) to the shade.  This study used a randomized complete block design (RCB).  Treatment consisted of T0 (control), T1 (one shade), T2 (two shades with one shade slightly slided to the east), T3 (two shades with one shade slightly slided to the west) and T4 (three shades).  Shade in the form of plywood to the width and the distance between the shade of 12 cm are placed 50 cm above the gutter extends.  Gutters along the 4 m with plant spacing of 10 cm is used as a nutrient.  Comparison of fertilizer ( a : b) and water for 250 ml : 250 ml : 50 liter.  Experiment used gutters as the growing media which were devided into three parts, namely B1 (section near the aerator), B2 (middle gutter) and B3 (the farthest part of aerator). Nutrient solution is circulated at flow rate of 1.2 cm/sec by using a small pump, which was also functioned as the aerator.  Data was analyzed by using the analysis of variance test and LSD multiple comparisons.  The results showed that T2 (two shades with one shade slightly slided to the east) produces the best respons with plant height (33,07 cm) and final weight (436,47 g).  The result also showed that all environmental parameters (EC, DO, and pH) observed a long the gutter were not significantly different, indicating that the nutrient solution was quite homogeneous throughout the gutters.

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