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Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering)

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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.

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Articles 1,078 Documents

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ANALYSIS OF SURPLUS-DEFICIT IRRIGATION WATER PAMUKKULU TAKALAR REGENCY, SOUTH SULAWESI Sitti Nur Farida
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 3 (2014)
Publisher : The University of Lampung

Irrigation areas with specific technical, will have acertain pattern as well and irrigation water available isinfluenced by the condition of water resources and management, The successin the management of irrigationwater is determined by the balance of irrigationwater available andthe requiredwater. This researchwas carriedout by predicting potentialwater resources useWatershedModeling System, calculate cropwater requirements todetermine the surplus-deficit water. The results were obtained monthly discharge based predictionWMS 1,32-24,7 m3/sec, which the lowest discharge in September and the highest in February. Crop water requirements,shortage ofwaterf or 7months (May-November). Utilization of the damme driverwater at the weir Pamukkulucan supply these needs, with a surplus of water, 0,1-3,85m3/sec/month.

EFFECT OF ADDITION COCONUT PULP AND BANANA PEEL ON PRODUCTION BIOGAS FROM COW MANURE Adam Fairuz
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 4, No 2 (2015)
Publisher : The University of Lampung

Biogas is a renewable or alternative energy utilizing the decomposition process of awide range of organicwastesthat generates methane gas (CH4). The purpose of this study is to evaluate the effect of the addition of coconutpulp and banana peels on biogas yield from cow dung. Parameters to be observed include: characteristics ofsubstrates, degree of acidity (pH), temperature, biogas production and biogas yield, as well as the flame frombiogas burning. This research is expected to produce an appropriate technology for treating waste of coconutpulp and banana peels into value added products and scientific information on the effect of the addition ofcoconut pulp and banana peels to biogas. The experiment design was a completely randomized design of sixtreatments,with consecutive composition of cowdung : banana peel : coconut pulp namely A50:40:10, B50:30:20,C 50:20:30, D 50:10:40, E 50:0:50, and F 50:50:0 with 3 replications. The data were analyzed by using ANOVAfollowed byDuncan test. The results showed that the additionof coconut pulp and reductionof banana peels in thebiogas composition affected pH, C/N ratio, and biogas production, but had no effect on the temperature, andbiogas yield. The increase in coconut pulp resulted in lower pH, the C/N ratio, and biogas production. Optimumcondition is the treatment with composition of 50:50:0 without the addition of coconut pulp with a C/N ratio of21,22 and pH of 5,5-6,5.Keywords: banana peel, biogas yield, coconut pulp, C/Nratio, renewable energy.

APLICATION OF ETHYLENE ABSORBEN PACKAGING ON GUAVA (Psidium guajava L.) STORAGE Dwi Dian Novita
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 4, No 3 (2015)
Publisher : The University of Lampung

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Ethylene production of guava fruit (Psidiumguajava L.) increased in ripening phase. Tomaintain the quality offruit so the ethylene should be reduced fromstorage roomto inhibited respiration rate. The aims of this researchwere: (1) to find out the effect of KMnO4 against guava shelflife based on weight lose, hardness, soluble solidcontent, and vitaminC as parameters, and (2) to known the best treatment. The researchwas use experimentaldesainwith 5 treatmentswereP0=without KMnO4,P1=0,6gKMnO4+absorber, P2=1,2g KMnO4+absorber,P3=1,8gKMnO4+absorber, dan P4=2,4g KMnO4+absorber and 4 repeatation. Datawas analized by Annova and DuncanTest at á=5%. The result showed that shelflife of guava treated by KMnO4was 8 dayswhilewithout KMnO4was 6days. Based on Annova at á=5%, KMnO4 treatment was significant on weight lose and hardnessparameters butwas not significant on soluble solid content and vitamin C parameters. The best treatment in thisresearchwas P4 (2,4g KMnO4+absorber).Keywords: ethylene,KMnO4, guava, shelflife

PENGARUH KONSENTRASI KARAGENAN DAN GLISEROLTERHADAP PERUBAHAN FISIK DAN KANDUNGAN KIMIA BUAH JAMBU BIJI VARIETAS “KRISTAL” SELAMA PENYIMPANAN Dwi Dian Novita
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 5, No 1 (2016)
Publisher : The University of Lampung

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Aplikasi edible coating berfungsi untuk menggantikan lapisan lilin alami pada buah yang hilang akibat penanganan pascapanen. Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi karagenan dan gliserol dalam larutan edible coating terhadap perubahan fisik dan kandungan kimia buah jambu kristal selama penyimpanan. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) Faktorial. Faktor pertama adalah konsentrasi karagenan yang terdiri dari 5 level yaitu 1% (b/v), 1,5% (b/v), 2% (b/v), 2,5 (b/v) dan 3% (b/v). Faktor kedua adalah konsentrasi gliserol yang terdiri dari 2 level yaitu 1% (v/v) dan 2% (v/v). Hasil analisis sidik ragam pada taraf 5% menunjukkan bahwa perlakuan konsentrasi karagenan dan gliserol hanya berpengaruh nyata terhadap 3 parameter yaitu susut bobot, kekerasan, dan total asam buah jambu kristal. Perlakuan K5G2 (konsentrasi karagenan 3% dan gliserol 2%) adalah yang terbaik pada penelitian ini. Perlakuan edible coating dapat menekan perubahan susut bobot dan kekerasan buah serta mempertahankan kandungan total asam pada buah jambu kristal selama penyimpanan. Kata kunci: jambu kristal, edible coating, karagenan, gliserol.

PENGARUH PENAMBAHAN RAGI (Saccaromyces cerevesiae) DAN JUMLAH LUBANG KOTAK PADA FERMENTASI BUAH KAKAO (Theobroma cacao L) TERHADAP MUTU BIJI KAKAO KERING wenceslaus hari kristanto; Tamrin .; Maria Erna
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 6, No 1 (2017)
Publisher : The University of Lampung

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The high production of cocoa in Lampung has not been balanced with the good postharvest handling. The lack of post-harvest handling on the fermentation process causesthe low quality of cocoa Nib. The farmers did not do the fermentation process due to its time. This research aims to determine the effect of adding yeast (Saccaromyces cerevesiae) and the number of holes in the box of fermented cocoa (Theobroma cacao L.) on the quality of dried cocoa beans according to National Standardization. The materials used were cocoa fruit of mulia variety, Saccaromyces cerevesiae and fermentation box (26 x 25 x 23 cm). This research was designed with the RAK Factorial. The first factor was yeast additions (3 grams and 5 grams) and the second factor was the number of holes in the box (10, 20 and 30) which divided into three groups. The measured parameters were temperature, pH, water content, number of seeds per 100 grams, fat content, and cut test. The data was processed using analysis of variance (ANOVA) and LSD for further testing. The result of ANOVA showed that the diversity of the group, addition interaction of yeast and the number of holes in the box was not significant to affect all parameters. The factor of adding yeast affected the temperature, Cut test results and fat content while the number of holes factors affectd the cut test results and fat content. Based on these results, the amount of yeast addition was 5 grams and the best number of holes of fermentation box was 30 holes.Keywords: Cocoa, yeast addition, number of holes of fermentation box.

WASTE COOKING OIL GASIFICATION WITH PRESSURE STOVES Tamrin .
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 2, No 2 (2013)
Publisher : The University of Lampung

Kerosene gasification with pressure stoves have been applied to people such mawar stoves. use of waste cooking oil as fuel for pressure stoves are still in the early stages of research. Waste cooking oil viscosity higher than that of kerosene, this is a problem in the use of the mawar stove, since mawar stove used of oil pipeline smaller than 2.5 mm. The research was carried out by utilizing the mawar stove by using waste cooking oil fuel. The results showed that the flow rate of kerosene from 2.33 to 4.08 ml/s on stove and flow rate of waste cooking oil on the stove from 0.39 to 0.66 ml/s with a pressure stove 6-3 psia. Waste cooking oil can be used as fuel for mawar stoves with pressure more than 4 psia and fire to preheat stove for waste cooking oil is greater than with the use of kerosene fuel. Keywords: Gasification, Kerosene Oil, Waste Cooking Oil, Mawar Stove And Pressure Stove

PENGARUH LAMA AERASI TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SAWI (Brassica juncea L.) PADA HIDROPONIK DFT (Deep Flow Technique) Diah Yulita Ningrum; Sugeng Triyono; Ahmad Tusi
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 1 (2014)
Publisher : The University of Lampung

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This study aims to determine the effect of duration of aeration on the growth and yield of mustard plants (Brassica juncea L.), nutrient solution and electricity consumptions. The experiment was conducted in September and October 2013 at The Integrated Field Laboratory, and Land and Water Resources Engineering Laboratory, The Departement of Agricultural Engineering, The University of Lampung. The experiment consisted of four treatments of aeration intervals including N24M0 (control), N15M30 (15 minute on-30 minute off), N15M60 (15 minute on- 60 minute off) and N15M90 (15 minute on- 90 minute off). Each treatment was divided into 3 segments along the gutter, including R1 (segment near the aerator), R2 (middle segment chamfer) and R3 (section away from the aerator). The results showed that the use of a nutrient solution circulating pump with a flow rate of 0.27 cm/s is sufficient for EC, DO, pH fairly uniform along the gutter. Aeration with interval 15 minute on- 60 minute off turned out to produce the highest mustard crop (2,146 kg) with the lowest consumption of fertilizer and electricity by IDR 1753.00/kg. Keywords: Aeration, DFT, hydroponics, intermitten, mustard

THE EFFECT OF AERATION ON BABY KAILAN (Brassica oleraceae var. Achepala) GROWTH IN FLOATING SYSTEM OF HYDROPONIC TECHNOLOGY INSIDE AND OUTSIDE THE GREENHOUSE Dian Krisnawati; Sugeng Triyono; M. Zen Kadir
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 3 (2014)
Publisher : The University of Lampung

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This research is aimed to find out the effects of aeration on baby kailan (Brassica oleraceae var. Achepala ) infloating systemhidroponic technology inside and outside the greenhouse. This research used a factorial in a splitplot design with 2 factors, namely factor I (weation) and Factor II (aeration). The first factor had two levels,inside (N0) and outside (N1) greenhouse. The second factor consisted of 3 levels; mechanical aeration (A1),hanging styrofoam (A2) and floating styrofoam (A3); resulting in six treatment combinations with threereplications. The data was analyzed using ANOVA (analysis of variance) at 5%significant level and folowed byLSD. The results showed that the inside and otsutside greenhouse significantly affected growth and yield. The useof aeration outside the greenhouse had shownmaximal production. The hanging styrofoamsystem (A2) insidethe greenhouse showed the lowest production cost (fertilizer and electricity. None of the environment andnutrition parameters (EC, DO and pH) was significantly different during the research, implying that theenvironment and nutrion solutionwere homogeneous and did not affect the plant growth.

THE PRODUCTION AND PHYSICAL CHARACTERISTICS TEST OF ANALOG RICE MADE FROM CASSAVA FLOUR CONTAINING PROTEIN OF SHRIMP Miftahul Jannah
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 4, No 1 (2015)
Publisher : The University of Lampung

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Analog rice is one of the foods which are made from various kinds of flour that can be alternative rice. Thepurpose of this research was to create and test the characteristics of analog rice made from cassava flourenriched with shrimp proteins. Observation parameters on this research are moisture content, uniformity ofgrain, bulk density, water absorption and color test. The design of this study is using cassava flour and flourshrimpwith composition of each treatmentas follow : A (100 : 0), B (95 : 5), C (92.5 : 7.5),D(90 : 10), E (85 : 15).This study showed that analog rice produced water content of 12.53%- 14.01%, coarse grain diameter 0.95%-6.64%,moderate coarse grain 21.02%- 37.78%and fine grain55.58%- 78. 03%, bulk density from 0.57 to 0.73g/cm3 and water absorption 71.33% - 118.67%. Based on the analysis of variance (ANOVA), the treatment ofanalog rice influences on the nature of analog rice which is uniformity coarse andmedium with an effect on theresult of bulk density. The dominant color of the resulted analog rice is brown.Keywords: Fraction analog rice, Shrimp flourprotein, Cassava flour.

CLASSIFICATION OF CAPABILITY YIELD ON LAPANG TERPADU LABORATORY AGRICULTURE FAKULTY, UNIVERSITY OF LAMPUNG Iskandar Zulkarnaen
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 4, No 3 (2015)
Publisher : The University of Lampung

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Determination of land capabilityof Lapang Terpadu Laboratory FP Unila is very relevant. This researchaims todetermining land capability class on each unit of land in the Lapang Terpadu Laboratory FP Unila. The researchwas conducted from June to October 2013, in the Lapang Terpadu Laboratory FP Unila of approximately 6.784ha area. Thematerials used are a set of secondary datawhich includes climate data, thematicmaps, and chemicalsused for soil analysis in the laboratory. The tools used in this study include: Geographycal Position System(GPS),abney level, ruler, compass, drill ground, ring samples, plastic bags, cameras, laboratory equipment, and stationery(ATK). The studywas conducted by surveymethod. Data physical and chemical properties of the soil obtained byobservation in the field and soil sampling, and then analyzed in the laboratory. Furthermore, the determinationof land capability class is based on inhibiting factors developed by Klingebiel andMontgomery in 1973. LapangTerpadu Laboratory FP Unila has class III, IV, V, and VI, with themain limiting factor for the entire class of landcapability is the steepness of the slopes, except land units 2 is the permeability of the soil rather quickly, and landunits 1 is the threat of flooding. Lapang Terpadu Laboratory FP Unila dominated by land capability class IIIwithland capability class III sub-P4 and III-C,e2, P4 is anarea of 3.989 haor 53.97%, then successivelyfollowed by theclass and sub-class IV land capability -D area of 1,708 ha, or 29.98%, the V-04 area of 0.737 ha or 10.87%, andthe last class VI-E covering an area of 0.351 ha, or 5.17%.Keywords: class slopes, land capability class, inhibiting factors.

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