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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 7 Documents
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Search results for , issue "Vol 5, No 2 (2016)" : 7 Documents clear
PRODUKSI BIOGAS DARI UMBI SINGKONG DENGAN KOTORAN SAPI SEBAGAI STARTER Ucok Hasiholan; Agus Haryanto; Sigit Prabawa
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 (226.736 KB) | DOI: 10.23960/jtep-l.v5i2.%p

Abstract

Biogas technology is easy to be implemented and has a lot of raw materials available in various forms such aslivestock waste, agricultural waste, industrial waste and the like which has high organic matter. This study aimedto determine the biogas production, biogas yield, hydraulic retention time, and the quality of biogas made fromcassava and cassava leaves with cow dung as a starter. The experiments were performed using a completelyrandomized design (CRD) with four treatments and four repetitions. Substrate composition of cassava leaves,cassava tubers, and cow dung is A (15: 0: 85), B (0:15:85), C (0:25:75), and D (0:35:65). Variance analysisperformed using SAS statistical program. The results showed that the composition of the substrate significantlyaffect the total production of biogas, but did not significantly affect the productivity of biogas. The highestproduction of biogas obtained from C treatment amounting to 6,995 ml. The average yield of biogas is 130.85mL/g TVS. Biogas produced from treatment C and D burn easily and leave a blue flame indicates adequate contentof CH4 in biogas as a fuel.Keywords:biogas, cassava, cowdung,yield
STUDI PENGGUNAAN KMnO4 UNTUK MEMPERPANJANG UMUR SIMPAN PISANG MULI Ani Dahli; Agus Haryanto; 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 (174.409 KB)

Abstract

The purpose of this research is to investigate the influence of KMn Asoxidizingethylene and to evaluate theeffective of KMn to extend the shelf life of bananas. This research was conductedusing a single treatment with fourlevels of giving mass that is 1 g, 5g, 10g, and a control without KMn, with ranges of banana’s weight was 400g.The result of the research showing that KMnasan oxidizingethylenebythe carrierfroma mixture of clayandricehusk ashin the storage ofbananas has positive influencein the process ofstorage. The most effective treatment is5 gram satseven days of shelf life and KMn which is placed beside the material is not effectively used because itcan not completely absorbethylene.Keywords : KMnO4, banana, ethylene, clay, shelf life.
PENGARUH GETARAN TERHADAP KERUSAKAN MEKANIS TOMAT (Lycopersicum esculentum Mill) Zelzha Arinnesia Varanita; Tamrin -; Agus Haryanto
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 (309.01 KB) | DOI: 10.23960/jtep-l.v5i2.%p

Abstract

Mechanical damage that occurs in tomatoes only visible and probably most who do not know. Without realizingit experienced mechanical damage tomato fruit will make the tomatoes are not worth selling because the fruit isdamaged. This research aims to determine how much damage suffered mechanical damage tomatoes mechanicalvibrated at different times. Varieties of tomatoes used are tomato gondol at the age of 70-80 days of harvest. Inthis research, tomatoes put in a storage container as much as 3 squares and vibrated at different times. As manyas 20% of tomatoes which can not be used in the research because of a pest when planting and rub with a storagecontainer (pallet). The results showed that the tomatoes will suffer mechanical damage such as bruises, scars andwounds ruptured (perforated top). The length of time the magnitude of vibration could be the benchmark ofmechanical damage to the fruit. However, it must also show the hardness of tomatoes to be vibrated. Tomatoessuffered mechanical damage until the worst was bruised and perforated top so that the fruit is not worth selling.Mechanical damage which is obtained not only from research through visual or tangible, but found to be anumber. The highest value of weight loss is on T3L2 with a value of 2,07% by weight of the intensity valueshrinkage of 1,66%. Percentage of tomatoes are not worth selling at 6,79% due to the damage caused by theprovision of mechanical vibration, with wide intensity mechanical damage amounting to 3,08%.Keywords: Tomato (Lycopersicum esculentum Mill), mechanical damage, respiratory and climacteric.
RANCANG BANGUN ALAT PENYUSUN RAK PENJEMURAN DIATAS PARA- PARA KE DALAM BOKS SECARA SEMI MEKANIS Hendra Saputra; Tamrin -; Muhamad Zen Kadir
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 (372.298 KB)

Abstract

Drying process by using Para-para is more effective than the conventional one which uses floor surface or plastic(terpal). The products will dried faster and cleaner, nevertheless the system tomoveand to arrange the finalproductis wastes a lot of time and energy. Hence, the objective of this reasech was to make a semi-mechanicalPara-para drying shelf that integratedly connect to semi machanic box in order to save time and energy uses. Thissemi-mechanical drying device contained of two frames, four shelves, two ropes,two box movement holdings,boxes, spring, big pulley and small pulley. The process started bywaiving its hook from the shelves thus the treadlewould pull the other connected components to the shelves and automatically move to the box. The pulleys wereused to set the shelves movements to the boxes, consequently the box will consecutively move to next lowershelflevel after being filled Furthermore, filled boxes caused an increasing of tensile strength which also increasethe speed of box movement. Box retention rate was used to decrease the fourth shelf speed that will prevent loss.The device were tested by dryingcassava and soybean. Finally, the result showed that it only consume 1,19seconds to move and arrange the product with less manpower assistance. Moreover, Para-para were succesfullysave time and manpower compared to manual movement which only take approximately 11,83 seconds for eachshelf.Keywords: Drying, semi-mechanic drying shelf, Para-para.
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
PENGARUH ARAH DAN KETEBALAN IRISAN KUNYIT TERHADAP SIFAT FISIK TEPUNG KUNYIT YANG DIHASILKAN Priastuti, Rita Catur; -, Tamrin; Suhandy, Diding
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 (257.328 KB) | DOI: 10.23960/jtep-l.v5i2.%p

Abstract

The purpose of this research was to evaluate the influence of the direction and thickness of turmeric slice on thephysical powder of turmeric powder. The treatments were two different of treatments cut vertical slices (cut fiber),horizontal (unidirectional fibers) and cut with three thicknesses (0.3 cm, 0.6 cm, and 0.9 cm). The measuredparameter were water content, angle of repose, fineness modulus, uniformity index, grain yield, bulk density, andthe flour color. The water content obtained wasn’t reached the Indonesia Standard Nasional which is still below12%, while the angle of repose has been good angle with the value 31°-41°. The fineness modulus as much as4.02% - 4.66%. Uniformity index grains with rough category has the highest amount than with the percentageof medium and smooth category, and the medium category on average direction of a cut fiber have percentagegreater than the unidirectional fiber although the difference is only a little. The percentage is still low grain yield<50%. Bulk density values obtained in this research ranged between 354.89 - 386.90 kg / m 3 . The resulting colorwasn’t much different and still in the desired category was yellow-orange. Different parameters affect the slicethickness uniformity index and grain yield of turmeric. The thicker slices of turmeric, then the index uniformityand yield of turmeric powder granules produced higher. Different directions slices and slice thickness differencedoes not affect the water content, angle of repose, fineness modulus, bulk density, and color of turmeric powder.Keywords: turmeric powder, slicesdirection, slice thickness, water content , angle of repose, bulk density.
UJI KINERJA TUNGKU PANGGGANGAN Asep Irawan; Budianto Lanya
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 (272.602 KB)

Abstract

The purpose of barbequing is to cookfood and provide a distinctive smoke aroma. This research aims at testingandperforming of a furnace grill. Thefurnace grill was fabricated with main components including combustionchamber, roasting rack, nozzlepipe, and a blower. Thegrill was designed with a roasting rack of 1800 cm 2 and hada capacity of 16 piece of chicken parts.Grill testing was conducted with and without roasting load.The parameterto observing included fuel capacity, roasting temperature, weight loss, amount of fuel consumption, airconsumption, and roasting duration. Results using coconut shell charcoal showed that the grill working goodwith roasting temperature of 416.3 o C. The grill had a fuel capacity of 2 kg with coconut shell charcoal and airconsumption of 25.44 kg. The roasting capacity was 16 pieces of chicken breast and was 16 pieces of chicken leg.The average roasting duration was 4.84 minuteswith 2.3 minutespausefor preparation and serving. Workingcapacity of the grill was 144 pieces per hour for chicken breast and 142pieces per hour for leg. Average weightloss was 20.5% and 11.3% for chicken breast and chicken leg, respectively. Fuel consumption for each roastingprocess was 395.5gram ofcoconut shell charcoal, equivalent to 13.441 kJ. Electric power consumption was150.13 kJ for each roasting process.Keywords:Furnace grill, design, performance, charcoal, cost.

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