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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 1,077 Documents
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Performance Analysis of a Multi Seed Smart Dryer Machine for Drying Peanuts (Arachis hypogaea L.) Siswoyo Soekarno; Fina Firdiyanti; Soni Sisbudi Harsono; Bambang Marhaenanto
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 4 (2024): December 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i4.1262-1271

Abstract

Peanuts are the second largest legume crop in Indonesia, both cultivated on farms and wild. In 2019-2023, Indonesia experienced a decline in peanut production due to the declining in harvesting area. In addition, this is also due to the poor quality of seeds in the cultivation process. This study aims to observe the performance of the Multi Seed Smart Dryer (MSSD) machine for peanut seeding. This research was conducted by observing changes in moisture content, drying rate, drying temperature, and peanut germination test results using the Multi Seed Smart Dryer machine. The results showed that the left side of all shelves experienced an increase in temperature because it was close to the heat source and the level of temperature uniformity was still said to be uniform because it did not exceed the uniformity limit. The peak drying rate occurred at the 12th hour and decreased further. Based on the results of the germination test, the dried beans have a germination rate of 83%. This is in accordance with the passing standard of seed quality according to the Ministry of Agriculture of the Republic of Indonesia and International Seed Testing Association. Keywords: Drying, Multi Seed Smart Dryer, Peanut, Temperature.
Rainfall-Runoff Modelling in Tropical River Basin for Water Conservation Planning Using Water Recharge Ponds M Yusfan Yuzanni; Chandra Setyawan; Sahid Susanto; Yekti Nugraheni
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 4 (2024): December 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i4.1171-1181

Abstract

Land conversion in river basins poses a threat to future water availability. This research aims to estimate water availability, particularly stream flow for planning of water conservation. Water availability was analyzed using a hydrology tank model. The model was calibrated by using stream flow data measured in a reservoir and then used to estimate water availability in the reservoir's catchment area. The value of model parameters such as wet infiltration coefficient (WIC), dry infiltration coefficient (DIC), soil moisture capacity (SMC), initial soil moisture (ISM), initial groundwater storage (IGWS), groundwater recession constant (k) was determined through the calibration process. The results showed that the model has good accuracy for stream flow calculation indicated by the value of statistical parameters i.e. coefficient of correlation (R) = 0.93, a volume of error (VE) = 0.04, and a coefficient of efficiency (CE) = 1.00. During the wet season, the specific maximum discharge is 0.11 m3s–1km–2. Meanwhile, the minimum specific discharge is 0.030 m3s–1km–2. These differences indicate that optimizing rainwater harvesting during the wet season is required. Rainfall-runoff modeling reveals the potential for surface runoff during the wet season is 1,139 mm. This finding provides an essential reference for water conservation, especially using water recharge ponds. Keywords: Hydrology tank model, Stream flow, Tropical river basin, Water availability, Water conservation.
Effect of Cold Storage Duration on the Quality of Super Red (Hylocerus costaricensis) and White (Hylocerus undatus) Dragon Fruits Fahmi Nur Aida Latif; Yulita Nurchayati; Endah Dwi Hastuti
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 14, No 1 (2025): February 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i1.39-48

Abstract

Postharvest storage is carried out to control the metabolic rate so the quality of fruits can be maintained properly until it reaches the costumers. Cold storage can reduce metabolic reactions, such as respiration and transpiration. However, storing too long in cold temperatures can cause the quality of the fruit to deteriorate. Each type of dragon fruit has different chemical contents that will affect the quality of fruits after storage. This study aims to determine the effect of the type of dragon fruit, cold storage duration, and interaction between the two treatments. Both type of dragon fruit are packed in PP plastic and then stored at 10°C. Observation were made at different storage durations. This study used RAL, with the first being super red and white dragon fruits. The second factor was storage duration of 0, 7, 14, and 21 days. Data were analyzed using ANOVA and continued with DMRT if it had a significant effect. The result of the study showed that the treatment of fruit type had significant effect on antioxidant activity, vitamin C content, and total sugar level. Storage duration treatment had significant effect on antioxidant activity and vitamin C content. Keywords: Antioxidant activity, Cold storage, Dragon fruit, Post-harvest, Vitamin c.
Soil Physical Properties of Oil Palm Plantations in Tidal Areas of Peatland Herbin Dinto Simanullang; Dean Denaneer; Suratni Afrianti
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 4 (2024): December 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i4.1101-1108

Abstract

Oil palm (Elaeis guineensis Jacq) is a plant with a higher vegetable oil content than other oil-producing plants, so palm oil is widely used as the main raw material for processed vegetable oil. The increasingly limited land area and the larger land area in Indonesia so that the space for plantation companies to expand the land is increasingly limited, so that the expansion of oil palm plantations began to change from optimal land to suboptimal land. Soil physical properties are properties related to the shape or original condition of the soil. This study aims to determine the physical properties of soil (texture, porosity, moisture content, soil color, particle density, and bulk density) on peatlands in the tidal area of PT Sinar Gunung Sawit Raya. This research used survey method with descriptive analysis. The soil samples taken were peat soil in the tidal area with purposive random sampling method at a depth of 30 cm. This research was conducted in November 2023 and continued in the laboratory for testing each soil physical properties. The results of the research on soil physical properties at PT Sinar Gunung Sawit Raya on peatlands in tidal areas show that the soil texture is loamy sand, soil porosity is good, moisture content is relatively normal, soil color looks relatively dark, particle density is still low and bulk density value shows low. Keywords: Loamy sand, Oil palm, Peat soil, Soil color, Soil texture.
Developing Sustainable Competitive Advantage: The Role of Dynamic Capability and Innovation Performance in Excelsa Coffee Bean Industry Siti Artika; Hery Toiba; Dwi Retno Andriani
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 4 (2024): December 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i4.1410-1421

Abstract

This study examines the influence of sensing ability, seizing ability, reconfiguring capability, and innovation performance on sustainable competitive advantage (SCA) of the Excelsa Coffee Bean Processing Industry in Bojonegoro. Data was collected through questionnaires that have been tested for validity and reliability. The data analysis uses Structural Equation Modeling (SEM) with SmartPLS software. The results show that these four variables have a positive and significant influence on SCA. Sensing ability plays a role in detecting market changes, while seizing ability allows companies to take advantage of existing opportunities. Reconfiguring capability helps companies adjust resources to stay competitive, and innovation performance is a key factor in creating new ideas that are relevant to the market. The study also found that innovation performance mediates the influence of sensing ability and seizing ability on SCA, making it a key catalyst in turning market potential into competitive advantage. This finding has important implications for the industry, namely the need to improve sensing, seizing, reconfiguring, and innovation performance. Stakeholders, such as local governments and supporting institutions, are also expected to play a role in helping the industry through policies that support this capacity building. Keywords: Performance innovation, Reconfiguring capabilities, Seizing ability, Sensing ability, Sustainable competitive advantage.
Optimization of Mango Flour Formulation (Mangifera indica L) Arumanis Variety using Response Surface Methodology Silvia Oktavia Nur Yudiastuti; Titik Budiati; Yossi Wibisono; Oryza Ardhiarisca; Findi Citra Kusumasari; Wiwik Handayani; Yesi Indah Dwi Kusuma Hariyanti
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 4 (2024): December 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i4.1334-1343

Abstract

Mango (Mangifera indica L) is one of commodities with high food loss rate due to the characteristics of mango, which is easily spoiled and difficult to store. One of the strategies to reduce mango food loss caused by post-harvest handling is the diversification of mango products. Mango flour can be developed to minimize mango food waste and enhance its added value. This study aimed to determine the optimum formulation for making mango flour. The study used Response Surface Methodology (RSM) type Central Composite Design (CCD) to optimize mango flour yield, using three factors: rice flour concentration (X1: 2 5%), maltodextrin concentration (X2: 2-5%), and tapioca flour concentration (X3: 2-5%). The significance of response was carried out using analysis of variance (ANOVA) at the 95% confidence level (p<0.05). The linear model was the model suggested by software. Model analysis showed that rice flour and tapioca flour concentration significantly affected mango flour yield, while maltodextrin did not have a considerable impact. Based on the results of this study, the optimum conditions in making mango flour were found using rice flour concentration of 4.94%, maltodextrin concentration of 2.25%, and tapioca flour concentration of 4.88% to produce mango flour yield of 20.9578%. Keywords: Mango flour, Optimization, Response surface methodology, Yield.
Geographic Information System Design for Irrigation System Performance Index Main Network Heru Ernanda; Idah Andriyani; Rufiani Nadzirah; Indarto Indarto
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 4 (2024): December 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i4.1308-1319

Abstract

Irrigation plays an important factor in supporting agricultural land productivity to improve agricultural production. This is achieved by maintaining a sustainable irrigation system through an effective and efficient irrigation system. One method to asses is by using the Irrigation System Performance Index (IKSI). This study designs an information system for IKSI in the main network system. The assessment of IKSI follows PERMEN PU NO.32/2007, with parameters such as physical infrastructure assessment, crop productivity, supporting facilities, personnel organization, documentation, and P3A. The purpose of this system is to determine the operation and maintenance (O&M) strategies and non-physical management strategies. The Main Network SIG IKSI design includes functionalities such as (i) a data folder system, (ii) an imaging system, (iii) GIS, and (iv) an evaluator of physical and non physical irrigation systems. The results of the program in the Antirogo irrigation area show an IKSI the main network value for physical infrastructure of 85,0% and non physical strategies (crop productivity, supporting facilities, personnel organization, documentation, and P3A) of 70,0% until 80,0%. The results shows that the physical infrastructure needs to be carried out regularly and non-physical strategies need to be maintained and improved. Keywords: Association of Farmer Water Users, Geographic Information System, Irrigation System Performance Index, Irrigation, PAKSI.
Hydrological Performance of Way Linti Watershed Based on Discharge Fluctuation Coefficient, Runoff Coefficient, and Sediment Load Alfi Sofyan; Slamet Budi Yuwono; Rudi Hilmanto; Agus Setiawan; Rahmat Safe&#039;i
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 4 (2024): December 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i4.1206-1215

Abstract

The response of the hydrological characteristics of a watershed to rain events is strongly influenced by land cover conditions and topography. The research was carried out in the Way Linti watershed Pesawaran District, Lampung Province. This study aims to learn of hydrological characteristics of Way Linti watershed which is includes the calculation of the discharge fluctuation coefficient (DFC), runoff coefficient (RC) and Sedimentation. The method used in this study refers to the Minister of Forestry Regulation No. 61/2014 concerning Monitoring and Evaluation of Watershed Performance. The data collected includes rainfall, land coverage, river discharge data and sedimentations. The results of the data collection were analyzed to determine the actual condition of hydrological performance of Way Linti watershed. The results of research of the hydrological characteristics of the Way Linti showed that discharge fluctuation coefficient (DFC) of 367.94 which is very high category, runoff coefficient (RC) of 0.193 (very low category), and sediment load (SL) of 58.78 mg/l (very high category). Keywords: Coefficient Runoff, Discharge Fluctuation Coefficient, Sediment Load.
The Use of Chitosan Coating to Maintain the Quality of Cherry Tomatoes (Lycopersicum esculentum var. cerasiforme) Salsa Nurfadhillah; Rokhani Hasbullah
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 14, No 1 (2025): February 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i1.21-30

Abstract

Cherry tomatoes are prone to deteriorate during storage. Proper post-harvest technology is needed to maintain the quality of cherry tomatoes. This research aims to examine the effect of chitosan coating and storage temperature on the quality of cherry tomatoes and determine the optimal treatment. Cherry tomatoes of the Fortesta variety were used for experiment. Cherry tomatoes were dipped in chitosan solution with concentrations of 1% and 2%, and control. Each group of cherry tomatoes was then stored at temperatures of 15°C and 25°C. The research was arranged under a factorial completely randomized design with three replications. Measurement was performed on respiration rate, weight loss, firmness, total soluble solids, and organoleptic tests (freshness, color, and aroma) of cherry tomatoes. The results showed that chitosan coating affects the respiration rate, weight loss, firmness, total soluble solids, and organoleptic tests. Storage temperature affects respiration rate, weight loss, firmness, total soluble solids, and organoleptic tests. Chitosan coating of 2% concentration and storage temperature of 15°C were the best treatments that were able to suppress respiration rate, weight loss, firmness, total soluble solids, and were still accepted by panelists on the 21st day of storage. In contrast, the control only lasted until the 12th day of storage. Keywords: Cherry tomatoes, Chitosan, Cold storage, Edible coating, Quality.
Preface June 2024 jtep jtep
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 2 (2024): June 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i2.%p

Abstract

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