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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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PENGARUH TOREFAKSI TERHADAP SIFAT KIMIA PELET TANDAN KOSONG KELAPA SAWIT Rani, Irma Tya; Hidayat, Wahyu; Febryanto, Indra Gumay; Iryani, Dewi Agustina; Haryanto, Agus; Hasanudin, Udin
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 9, No 2 (2020): Juni 2020
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (580.403 KB) | DOI: 10.23960/jtep-l.v9i2.%p

Abstract

Corrigendum to: PENGARUH TOREFAKSI TERHADAP SIFAT KIMIA PELET TANDAN KOSONG KELAPA SAWIT
PENGEMBANGAN DESAIN SPRAYER BUAH MENGGUNAKAN QUALITY FUNCTION DEPLOYMENT Surya Abdul Muttalib; Agriananta Fahmi Hidayat; Sirajuddin haji Abdillah; Ida ayu Widhiantari; Rozidi Rozidi; Sabar Burhan
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 9, No 2 (2020): Juni 2020
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (250.858 KB) | DOI: 10.23960/jtep-l.v9i2.149-156

Abstract

The aim of this research is to develop an specialty sprayer for fruits. It is expected that the sprayer will be able to assist farmers in improving the quality of the fruits. Sprayer is a pesticide applicator that is needed in eradicating and controlling plant pests and diseases. Problems that are often found in the sling type sprayer are the high weight of the sprayer and the short range of spraying so that it is not efficient nor effective for application with high trees. The purpose of this research is to develop the design of fruit sprayer using the Quality Function Deployment (QFD) method. The data generated were analyzed using House of Quality. Results showed that important weight values in the House of Quality analysis included the attributes of the spray lever, easeness of operation and easeness of moving with a score of 4.80, 4.46 and 4.50, respectively. Based on the analysis, the sprayer was developed using a wheel drive system with the addition of wheels and spray levers that can be extended or shortened by adjusting the spray lever knock.
KAJIAN KEBUTUHAN ENERGI SPESIFIK DAN KAPASITAS KERJA MESIN PENGERING GABAH BERBAHAN BAKAR KAYU (Studi Kasus di Kelompok Tani Wargi Mekar, Desa Tegal, Kecamatan Karawang Timur, Kabupaten Karawang, Provinsi Jawa Barat) Wahyu Kristian Sugandi; Boy Macklin P; Ahmad Thoriq; Fikrialdis Rifki
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 10, No 1 (2021): Maret
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v10i1.16-25

Abstract

Grain (Oryza sativa L) drying process is generally still done traditionally by direct sunlight. The drying process has several disadvantages such as it can only be done when sunlight is available, a longer drying time, a large area, requirement. An alternative that could be done to dry the grain in addition to using traditional drying was to use a grain dryer machines with do Wargi Mekar Farmer at Kerawang. There are several fuels that are used as heat sources for rice drying machines, one of them is firewood. This study aimed to measure the actual capacity of the wood-fired grain dryer, and also to analyzed the efficiency of drying and specific energy consumption to dry the grain. The research method used is descriptive analysis research method, namely data collection, data processing and data analysis. Research resulted that grain drying using a grain dryer as much as 761 kg.hr-1 . The yield of dry grain is 89.77%, and the value of weight loss is 10.33%. The moisture content of the material after drying is 13.06% wet basis. The drying efficiency in the process was 17.19% and the specific energy consumption was 15,318.24 KJ / Kg water vapor. Keywords: efficiency energy, grain drying, specific energy consumption
Analisa Erosi Metode USLE pada Lahan Sawit Kabupaten Muara Enim Hilda Agustina; Vita Ayu Kusuma Dewi
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 9, No 3 (2020): September 2020
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v9i3.157-162

Abstract

Manusia sangat menentukan tindakan kelestarian lingkungan terutama pada tanah dan air.  Manusia sebagai pengguna pada tanah untuk berbagai macam keperluan, terutama sebagai pemukiman dan usaha. Guna menjaga kelestarian pada tanah maka diperlukan pengelolaan tanah yang juga mengikutsertakan tindakan konservasi di dalam kegiatan pengelolaan dan pemanfaatan tanah.  Sebelum dapat menentukan tindakan konservasi untuk kelestarian tanah, maka diperlukan analisa erosi yang dapat diaplikasikan sebagai media untuk menentukan besarnya erosi pada suatu lahan.  Metode USLE (Universal Soil Loss Equation) adalah metode yang dapat diaplikasikan pada wilayah Indonesia sampai sekarang. Perkembangan intensifikasi lahan perkebunan terutama tanaman sawit sangat mempengaruhi kelestarian lingkungan.  Sehingga diperlukan tindakan penanggulangan dini dengan menganalisa erosi dari lahan perkebunan sawit dengan menggunakan metode USLE.
INTERNET OF THINGS: AUTOMATIC PLANT WATERING SYSTEM USING ANDROID Ridwan Siskandar; Muhammad A Fadhil; Billi Rifa Kusumah; Irmansyah Irmansyah; Irzaman Irzaman
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 9, No 4 (2020): Desember 2020
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v9i4.297-310

Abstract

Internet of Things (IoT) is a system that connects devices directly or indirectly to the internet. The device can work with remote control. One application of the IoT system on the watering system is able to provide an approach to the ease in the process of growth and development of plants. The research carried out was applied to an IoT-based smart plant watering device. The tool is supported with a soil moisture measuring sensor that acts as a benchmark to determine the condition of soil moisture and automatic control of the process of watering plants. The process of watering plants is scheduled in the morning and evening. Information, as long as the device is run will be displayed on the LCD and screen of an Android-based smartphone application. The data can be a comparison value to determine the suitability of soil moisture data in plants. The volume of water supplied in the watering process also affects the level of soil moisture. IoT-based smart plant sprinklers can automate watering by measuring the percentage of soil moisture as a benchmark for providing water during the watering process. Remote watering control can also be done on this tool by using a WiFi signal to the same access point that is connected to the smartphone client and microcontroller. Keyword: agriculture, automatic sprinklers, engineering, IoT
MODEL PREDIKSI LEVEL AIR DI LAHAN PERKEBUNAN KELAPA SAWIT DENGAN JARINGAN SARAF TIRUAN BERDASARKAN PENGUKURAN SENSOR RAIN GAUGE DAN ULTRASONIK Hasan Al Banna; Bayu Dwi Apri Nugroho
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 10, No 1 (2021): Maret
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v10i1.104-112

Abstract

Monitoring and regulating water levels in oil palm swamps has an essential role in providing sufficient water for crops and conserving the land to not easily or quickly deteriorate. Presently, water level is still manual and has weaknesses, one of which is the accuracy of the data taken depending on the observer. Technology such as sensors integrated with artificial neural network is expected to observe and regulate water levels. This study aims to build a prediction model of water levels in oil palm plantations with artificial neural networks based on the rain gauge and ultrasonic sensors installed on Automatic Weather Station (AWS). The obtained results showed that the prediction model runs well with an R2 value of 0,994 and RMSE 1,16 cm. The water level prediction model in this research then tested for accuracy to prove the model's success rate. Testing the water level prediction model's accuracy in the dry season obtained an R2 value of 0,96 and an RMSE of 1,99 cm. Testing the water level prediction model's accuracy in the rainy season obtained an R2 value of 0,85 and an RMSE value of 4,2 cm. Keywords : artificial neural network, automatic weather station, palm oil, water level
KOMBINASI METODE PENJEMURAN DAN PENGERINGAN TUMPUKAN UNTUK MEMPERBAIKI MUTU BIJI KAKAO KERING Tya Lestari; Leopold Oscar Nelwan; Emmy Darmawati; Samsudin Samsudin; Eko Heri Purwanto
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 9, No 3 (2020): September 2020
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v9i3.264-275

Abstract

Deficiencies in the drying and stacking methods of cocoa beans can be minimized by using a combination of both to improve quality. The purpose of this study was to obtain physicochemical and organoleptic quality information of dried cocoa beans produced by a combination of drying and stack drying. The treatments analyzed were drying 3, 8 and 16 hours followed by mechanical drying using an air flow of 0.05 m/s and 0.2 m/s at a temperature of 55 °C. As a control is only mechanical drying with two flow rates, up to a water content <6%. Measurement data were analyzed using descriptive statistics and mean values. The best combination of drying and mechanical drying is found in 8 hours of drying with an air flow velocity of 0.05 m/s and 0.2 m/s. The combination of sun and mechanical drying has no effect on physical parameters namely water content and pH, chemical parameters namely total fat and fermentation index. The best color of cocoa beans is produced from a combination of 16 hours of drying with an air flow rate of 0.05 m/s. The lowest free fatty acid levels come from full mechanical drying with an air flow velocity of 0.05 m/s and 3 hours drying in the air flow velocity of 0.2 m/s. The combination of the best treatment based on the special requirements of SNI 2008 about the quality of defective seeds and organoleptic test results were produced by 8 hours drying air velocity of 0.05 m/s and 0.2 m/s. Included in the IB quality class and has the aroma, texture and color most preferred by panelists.       Keywords:   air flow, bed dryer, cacao quality, dried cacao, sundrying
RANCANG DESAIN ALAT PENGAYAK MODIFIED CASSAVA FLOUR (MOCAF) BERDASARKAN ANALISIS KEBUTUHAN, MORFOLOGI DAN TEKNIK Slamet Sulistiadi; Fenny Aprilliani; Anri Kurniawan
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 10, No 1 (2021): Maret
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v10i1.73-84

Abstract

Modified Cassava Flour (MOCAF) which has been produced by small industries has a particle size that is not yet the Indonesian National Standard (SNI), so the quality needs to be improved using a sieving machine. The objectives of this study are 1) to analyze the design requirements of the sieving machine 2) to determine the design concept 3) to analyze the technique 4) to design the sieving device in the engineering drawing. The method used in this research is observation, interview and French design method. Based on the results of the needs analysis, it was found that the design concept of the MOCAF sieve tool that uses an electric motor, is easy to operate, is in accordance with the production capacity, has an SNI size mesh and the material used is affordable. The results of the morphological analysis show that the design concept that can be developed is the design concept 1. The results of the technical analysis show that the linear velocity of the belt is 5.58 m / s and the tensile stress at T1 is 0.23 MPa. The dimensions obtained based on the design results are 5 cm pulley length, 99 x 59 x 10 cm mesh dimension, 100 mesh size and 108 x 80 x 95 cm machine frame dimensions. Keywords: analysis, design, MOCAF, morphology, sieving 
STUDI PEREMAJAAN TANAMAN KELAPA SAWIT DI AREAL LAHAN TANAH MINERAL DAN LAHAN GAMBUT Gatot Pramuhadi; Muhammad Aji Setiawan; Nenda Fuji Putri Daliesta
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 9, No 3 (2020): September 2020
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v9i3.201-212

Abstract

Oil palm trees that are more than 25 years old generally have low productivity of oil palm fruit and will decrease in productivity. For this reason, it is necessary to replant oil palm plants so that their productivity can be maintained high and increased. The aim of this research is to study the technique of replanting oil palm plants in mineral soil areas in the area of Kebun Aek Loba, PT Socfindo, Asahan Regency, North Sumatra Province and in the peatland area of Kebun Mandah Estate, PT Bhumireksa Nusa Sejati, Riau Province. Soil types in the Aek Loba garden area were dominated by mineral soils of the typic hapludult class and made from mother rock tufo toba and young alluvium with a soil pH of 5.5. Mandah Estate plantation area is 100% peat soil with a composition of 74% mature peat (sapric) and 26% medium peat (hemic). Peat is more than 3 meters deep (including very deep peat) and has a crumbly texture so it is easy to erode. The peat soil includes ombrogin peat (formed from large swampy plains), has a high acid content with a pH < 5.5, and has a peat soil density of (1.25 - 1.80) g / cc. Replanting activities in mineral soil areas include ripping, plowing, chipping, holing to planting with a large field capacity (0.04 - 0.72) ha / hour and a total time of completion of work (total field time) of 139.5 hours / ha. Replanting activities in peatland areas include falling, chipping, deboling, holing and planting with a large field capacity (0.06 - 1.25) ha / hour and a total field time of 73.7 hours / ha. Keywords: field capacity, mineral soils, peatlands, replanting, total field time
PENGARUH KOMPOSISI MEDIA TANAM TERHADAP PERTUMBUHAN DAN HASIL TANAMAN BUNGA GLADIOL (Gladiolus hybridus L.) eftrida yuliana pasaribu; Nugraheni Widyawati; Alfred Jansen Sutrisno
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 9, No 4 (2020): Desember 2020
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v9i4.353-360

Abstract

Tujuan penelitian ini adalah untuk mengetahui pengaruh komposisi media tanam terhadap pertumbuhan dan hasil bunga Gladiol serta menentukan komposisi yang paling baik dalam mendukung pertumbuhan dan perolehan hasil bunga. Penelitian dilakukan melalui percobaan menggunakan Rancangan Acak Kelompok (RAK), dengan 7 perlakuan komposisi media tanam yaitu P1 (tanah), P2 (tanah : arang sekam 1:1), P3 (tanah : arang sekam 1:2), P4 (tanah : arang sekam 2:1), P5 (tanah : cocopeat 1:1), P6 (tanah : cocopeat 1:2), P7 (tanah : cocopeat 2:1). Masing masing perlakuan ada dalam setiap kelompok yang sekaligus sebagai ulangan yang berjumlah 4 kelompok. Parameter yang diamati meliputi parameter fisik dan kimia media tanam yang terdiri dari pH, kadar air, dan NPK tersedia. Parameter pertumbuhan tanaman diamati melalui parameter tinggi tanaman dan jumlah daun serta hasil tanaman diamati melalui parameter jumlah bunga dan diameter bunga. Hasil penelitian menunjukkan bahwa komposisi media tanam tidak mempengaruhi tinggi tanaman dan jumlah daun, tetapi mempengaruhi jumlah bunga dan diameter bunga.  Media tanam yang memberikan hasil terbaik adalah media tanah (P1) dengan jumlah bunga sebanyak 11.67 kuntum dan diameter bunga sebesar 13.62 cm.Kata Kunci: arang sekam, cocopeat, gladiol

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