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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 11 Documents
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Search results for , issue "Vol 3, No 3 (2014)" : 11 Documents clear
THE STUDY OF PHYSICAL CHARACTERISTICS OF GRANULAR ORGANIC FERTILIZER WITH TWO ADHESIVES Utari, Ni Wayan Arya
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 3 (2014)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (399.528 KB) | DOI: 10.23960/jtep-l.v3i3.%p

Abstract

Granular organic fertilizer is a fertilizer that is partially or completely derived fromorganicmaterials in the formof dense granules. The objectives of this research were to evaluate the effect of adhesives materials and theircompositions on the physical characteristics of granular organic fertilizer produced. This researchwas conductedat the Bioprocess and Post Harvest Engineering Laboratory and also atPower and Agricultural MachineryLaboratory, Department of Agricultural Engineering, Lampung University. The design of this study usedRandomized Complete Block (RCB)with factorial arrangementand three replications. The first factor consistedof two levels : clay and starch. The second factorwere the percentage of the adhesivesmaterials : 5%, 8%, 11%.Each experimental unitweighted 4 kg rawmaterials of the organic fertilizer.The results showed that11%of clayis themost optimal adhesive formaking granular organic fertilizers. Higher percentage of adhesivesmaterialstended to increase bulk density, durability,water absorption, and dispersiontime of the granular organic fertilizer.However, statisticallythe type of adhesivesmaterials and their compositionhad significant effect onlyonpercentageof granule size for 2-5 mm and dispersion time.
PENDUGAAN KEBUTUHAN AIR TANAMAN DAN NILAI KOEFISIEN TANAMAN (Kc) KEDELAI (Glycine max (L) Merril ) VARIETAS TANGGAMUS DENGAN METODE LYSIMETER Tia Yuliawati
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 3 (2014)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (278.607 KB)

Abstract

Production of soybean is unbalanced. Increasing number and need of the population is one causes of soybeansscarcity. One factor needs to be considered in soybean cultivation is crop water requirement. This study aims todetermine thewater requirement of soybean bymeasuring evapotranspiration of soybeanlocal varieties directlyby lysimeter (2x3x1)meters. Fieldobservations carried out attwo lysimeters tomeasure crop evapotranspiration(ETc) variety of Tanggamus and one plot planted with grass as standard evapotranspiration (potential). Theresults showed that total soybeancropwater requirement (ETc) forTanggamus is 490.02mmor 6.3mm/hari andthe total per-phase ETc is 5.4; 4.8; 6.7; 7.9 mm/hari. Soybean crop coefficient values (Kc) in the early growthphase, active vegetative, fertilization or seed pod filling, and maturity for the varieties Tanggamus is 0:48; 0.69;0.9; 0.78.
THE EFFECT OF TILLAGE SYSTEM AND HERBICIDE ON LOSSES OF NUTRIENT AND ORGANIC MATTERS DUE TO EROSION IN LABORATORY OF LAPANG TERPADU FACULTY OF AGRICULTURE UNIVERSITY OF LAMPUNG Burhannudin, Burhannudin
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 3 (2014)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (399.059 KB)

Abstract

Land degradation is a serious problemwhich can reduce the land fertility and productivity. Themain cause of thedegradation is due to erosion phenomenon. It causes the fertile top soil losses which is good for plant growth.Tillage farming is particularly convinced as the prime cause on soil erosion. This research aims to determiningthe effect of tillage systemand herbicide to predict the losses of nutrients and organicmatter due to erosion. Thisexperiment was conducted at the Laboratory of Lapang Terpadu and Laboratory of Soil Science, Faculty ofAgriculture, University ofLampung inMay toAugust 2014. The experimentwas design as a factorial in completelyrandomized block design (RCBD) consisting of two factors, namely the tillage systemand herbicidewith 4 (four)repetitions. The results showed that the treatment of soil tillage, herbicides, and the combination of themdid notsignificantly affect the concentration ofN (total), K (exchangable), Ca (exchangable),Mg (exchangable), and theC (organic)matter in sediment.While theP (available), only the tillage systems that provided significant effect. Ata minimum tillage system P (available) concentration was significantly higher than the conventional tillagesystem. This was due to the nature of the immobil phosphorus, itmean the phosphorus in the soil remains in thetop soil otherwisemechanically inserted into the sub soil. The limited tillage onminimumtillage systems causesphosphorus remain inthe top soil, so thatwhen erosion occurs phosphorus losses inminimumtillage system willbe higher thanin conventional tillage. The conventional tillage systemcauses loss of P (available) of 0,016 kg/haand the minimumtillage systemcauses loss of P (available) of 0,01 kg/ha.
BIOFILTRATION KINETICS OF TOFU INDUSTRY WASTEWATER USING OF ZEOLITE MEDIUM Rodiyanti Rodiyanti; Sugeng Triyono; Nugroho Haryono
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 3 (2014)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (255.325 KB)

Abstract

This researchwas aimed to investigate reactionkinetic of tofu industrywastewater using zeolitemedium. A staticfilter reactor using zeolitemediumwas constructed to carry out this research. Tofuwastewaterwas resirculatedthrough themedium with various hydraulic retention times (HRT): 0, 3, 6, 12, 24, 36, and 48 hours. First orderreactionwas then applied on this kinetics. The results showed that pHincreased from4.1 to 8.02. Total P in thewastewater decreased from12,1mg/L to 6,91mg/L (42%reduction),while in themedia totalP increased from3,04 mg/L to 5,97 mg/L within 48 hours of filtration. N-NH4+ decreased from 64.184 mg/L to 12.85 mg/L(79.9%reduction). Total Solids decreased from 10.404mg/L to 4003m(61.5%reduction).
ANALYSIS OF THE QUALITY OF SMOKED WHITELIPPED EEL CATFISH IN “MINA MULYA” FISH PROCESSING GROUP, PASIR SAKTI, EASTERN DISTRIC OF LAMPUNG Novita Mrdiana
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 3 (2014)
Publisher : The University of Lampung

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Abstract

The aimof this researchwas to find out the quality of smoked whitelipped eel catfish in difference smoking timeat “MinaMulya” Fish Processing Group, Pulosari Village, Pasir Sakti, Eastern Distric of Lampung. The reaserchwas conducted infour levels smoking time,which are 1, 2, 3 and 4 hours. The analysis on smokedwhitelipped eelcatfish applied kind of proximate analysis (fat level, protein level,ash level and moisture level), microbiologyanalysis (Total Plate Count (TPC), Escherechia coli bacteria, Salmonella sp. bacteria and Staphylococcus aureusbacteria) and organoleptic analysis (appearance, odour, flavour and texture). The results of this research showthat the smoking time levels affect the quality of whitelipped eel catfish. The proximate analysis result showdifferences among the treatments especially on the proximate analysis. Organoleptic analysis shows that onappearance parameter, only whitelipped eel catfish that are smoked for 3 hours fulfill theminimumvalue (7,0).Whereas organoleptic values for odour, flavour and texture parameter showthat onlywhitelipped eel catfish thatare smoked for 1 hour that does not fulfill theminimum value. Microbiology analysis shows that the content ofTPC and Escherechia coli bacteria smoked fish get under the maximum value of tolerance arrenged on SNI ineach treatment. The content of Salmonella sp. and Staphyococcus aureus bacteria are negative on the wholetreatments.
RESPONSE OF GROWTH AND YIELD OF THREE VARIETY OF SOYBEAN (Glycine max [L] Merr.) ON SOME AVAILABLE SOIL WATER DEPLETIONS Wawan Setiawan
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 3 (2014)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (255.108 KB)

Abstract

The aims of this research was to find out the effect of available soil water depletion on the growth andyield of three varieties of soybean (Glycinemax [L]Merr.). This study used a factorial ina completely randomizeddesign (CRD)with 2 factors, namely factor I (Available soilwater depletion fraction, p) and Factor II (Variety, V).Each treatment consisted of 3 levels, factor I consists of P1(0.2), P2(0.4) and P3(0.6) of available soil waterdepletion, and factors II consists of three variety,Wilis (V1), Kaba (V2) andTanggamus (V3), with repeats 3 times.Reference evapotranspiration measurements on P(0.2) is done using the grass plant. The results showed thattreatment of available soil water depletion fraction (p), varieties, and their interactions were not significantlydifferent, on the growth and production. All three varieties of plant did not experience stress during growth anddevelopment stage until harvest. The highest productionwas inTanggamus varieties (V3) in P1(0.2) of 17.86 g/potwith a total of 80.430 ml of irrigation water, followed by Kaba (V2) on P1(0.2) 15.23 g/pot with total irrigationwater 75.800ml andWillis (V1) on P3(0.6) 14.96 g/potwith a total of 75.600ml of irrigationwater. The smallerof available soil water depletion fraction the higher of evapotranspiration (ETc). Crop yield response factor towater (Ky) greater than 1 (Ky>1), this means that the decrease of relative production larger than decrease ofrelative evapotranspiration.
DESIGN OF EBB AND FLOW AUTOMATIC HYDROPONIC SYSTEM FOR CHILLI PEPPER CULTIVATION Delya, Buti
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 3 (2014)
Publisher : The University of Lampung

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Abstract

Ebb and flowhydroponic systemgenerally used a timer to controlnutrient addition. The use of the timer, howeverhas major disadvantage including inefficiency of nutrient usage. This research aimed at designing of ebb andflow automatic hydroponic system which able to turn on/off the pump based on the moisture content usingmicrocontroller.The research was conducted at Greenhouse Facility of the Integrated Field Lab of AgricultureSchool, the University of Lampung from April - June 2014. The procedure begins with the manufacture ofinstrument, calibration, system design tool, the power supply circuit, equipment test and field test. The resultsshowed that has been successfully realized automatic ebb and flow hydroponic system working based on themoisture content. The value of setting point obtained for controling water content for turning on the pump was< 34.95%andturning off the pumpwas > 69.83%. Cultivation testusingchilli pepper resulted thatautomatic ebband flowhydroponic systemwas significally better thanmanually systemone, interms of plantheight and numberof leaves.
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (574.056 KB) | DOI: 10.23960/jtep-l.v3i3.%p

Abstract

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.
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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Abstract

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 INFLUENCE OF DEFICIT EVAPOTRANSPIRATION TOWARD PLANTS GROWTH AND WATER USE EFFICIENCY OF THREE SOYBEAN VARIETIES (Glycine max (L.) Merril) Febriana Nivoliya
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 3, No 3 (2014)
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (137.502 KB) | DOI: 10.23960/jtep-l.v3i3.%p

Abstract

The objective of this research is to find out the influence of evapotranspiration deficit toward plants growth andwater use efficiency of three soybean varieties (Glycine max. (L) Merr.). This research was conducted in thegreenhouse, integrated laboratory of Agriculture Faculty, Lampung University on November, 2013 to January,2014. This research used a complity randomized design consisting two treatment factors with three timesrepetition. The fisrt factor was evapotranspiration deficit (E) consisting of E1 (1.0), E2 (0.8), and E3 (0.6), andE4 (0.4). The second factorwas variety (V) consisting of Tanggamus (V1), Kaba (V2), andWillis (V3). The resultof research showedthat evapotranspiration deficit and varietywas significantly differentwhereas the interactionwas not significantly different at all growth components, production andwater use efficiency .The highest resultproductionwasWiliis (V3) and Kaba (V2) on E1 (1.0) 12.33 gr/pot. The highest value ofwater use efficiencywasWillis (V3).

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