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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
 98   99   100   101   102 
Mini Cutting Force Sensor: A Novel Approach for Predicting Cutting Forces of Agricultural Products Putri, Irriwad; Turnando, Ardi; Lubis, Mei Mardhiani; Makky, Muhammad; Putri, Renny Eka; Santosa, Santosa
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.645-656

Abstract

Innovation in agricultural mechanization is crucial for the sustainable development of agricultural machinery in Indonesia. This study aims to design and develop a cutting force measurement device for agricultural products. The device consists of a mechanical system utilizing a linear actuator (5.88 mm/s) as a blade pusher and a control system employing a load cell as a force sensor. Testing was conducted using three blade types with cutting angles of 10°, 15°, and 20° on taro, chayote, and papaya. Measurement data were displayed as graphs on an LCD and stored as XLS files on an SD card. The tested materials had moisture content ranging from 85% to 95%. Results showed that taro required the highest cutting force (74.3 N), followed by chayote (39.77 N) and papaya (31.1 N), corresponding to their hardness and moisture content. In contrast, the highest cutting speed was observed in chayote (6.1 mm/s), followed by papaya (5.8 mm/s) and taro (3.5 mm/s) using a 20° blade. These findings confirm that harder materials with lower moisture content require greater cutting force than softer materials with higher moisture content. Keywords: Controller, Cutting force, Load cell, Mechanization, Small-scale.
Water Productivity of Mustard Green (Brassica juncea L.) Under Drip Irrigation Systems and Organic Matter Addition Anika, Nova; Mutmainah, Siti; Kusmali, Muhammad; Harmiansyah, Harmiansyah; Marpaung, David Septian Sumanto; Ridwan, Ridwan
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.677-684

Abstract

Drip irrigation technique, in combination with the utilization of organic matter like as biochar and cocopeat, can increase water productivity by tailoring irrigation water to plant demands. This study was to investigate how organic matter can improve water productivity in mustard green production utilizing a drip irrigation technique. The greenhouse pot experiment analyzes the effect of adding varying quantities of biochar and cocopeat to mustard greens' growth medium using a drip irrigation technique. The findings indicate that adding organic matter reduced the quantity of water needed for irrigation. The soil and biochar combination treatment at a 1:1 ratio resulted in the highest water productivity for mustard green, whereas the control treatment produced the least. Mustard green grows optimally in a soil + biochar (1:1) growing medium, yielding the most water productivity at 16.8 g/L. Biochar can boost biomass yield by twice as much as the control treatment. Furthermore, biochar can increase mustard green water productivity by more than 300% when compared to mustard green, which relies solely on soil for planting medium. Further study is needed to investigate the effects of biochar features on water holding capacity, field capacity, and wilting point in different soil types to improve irrigation efficiency. Keywords: Drip irrigation, Irrigation efficiency, Organic matters, Water productivity.
Determination of Superior Agricultural Commodity Areas Based on Historical Data and Land Suitability Zukhrifa, Alfina; Irsyad, Fadli; Yanti, Delvi
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.701-713

Abstract

Analysis and identification of superior agricultural commodity areas play a crucial role in determining regions with high potential for agricultural development. This study aims to identify priority agricultural commodities and assess their development potential in Lawang, Matur District, Agam Regency, West Sumatra Province. The research was conducted in several stages. First, superior agricultural commodities were identified using the Location Quotient (LQ) and Shift Share Analysis (SSA) methods. Second, the potential development areas for these commodities were determined using the Analytical Hierarchy Process (AHP) and Weighted Linear Combination (WLC) approach, integrated with Geographic Information System (GIS) analysis. The results indicate that the priority agricultural commodities in Nagari Lawang are peanuts for the food crop subsector, shallots for the horticulture subsector, and sugarcane for the plantation subsector. These findings provide valuable information for policymakers and local farmers to optimize land use, enhance agricultural productivity, and support sustainable rural economic development. Furthemore, the methodology used in this study can also be applied to other regions to identify superior agricultural commodities.Keywords: Analytical hierarchy process, Leading commodities, Location quotient, Shift share analysis, Weight linear combination.
Portable Near-Infrared Spectroscopy and Support Vector Regression for Fast Quality Evaluation of Vanilla (Vanilla planifolia) Widyaningrum, Widyaningrum; Purwanto, Yohanes Aris; Widodo, Slamet; Supijatno, Supijatno; Iriani, Evi Savitri
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.515-526

Abstract

Vanilla (Vanilla planifolia) is a high-value agricultural product, with its quality influenced by essential factors such as moisture and vanillin content. Conventional techniques for evaluating these characteristics are inefficient, require sample destruction, and are impractical for swift assessments. This research explores the feasibility of using portable Near-Infrared (NIR) spectroscopy combined with Support Vector Regression (SVR) to enable quick and noninvasive property prediction. Spectral information was obtained from vanilla samples using two portable NIR instruments, SCiO (740–1070 nm) and Neospectra (1350 2550 nm). Preprocessing techniques such as normalization, SNV, MSC, first derivative, first derivative-SNV, and first derivative-MSC were applied. For moisture content prediction, SCiO achieved an R² of 0.768, an RMSE of 4.720%, an RPD of 2.075 and an RER 10.197 using Min-Max normalization, while Neospectra yielded an R² of 0.758, an RMSE of 5.161%, an RPD of 2.033 and an RER 9.325 with MSC preprocessing. In contrast, predicting vanillin concentration proved more challenging, with SCiO achieving moderate accuracy with an R² 0.406, an RMSE 0.379%, an RPD 1.297, an RER 5.039, and Neospectra demonstrating limited performance with an R² 0.172, an RMSE 0.576%, an RPD 1.098 and an RER 3.315. These findings highlight the potential of portable NIR spectroscopy as a practical tool for assessing vanilla quality, particularly for moisture content, in industrial and field applications. Keywords: Moisture content, Portable NIR spectroscopy, Support vector regression, Vanilla planifolia, Vanillin content.
Performance of Automatic Watering System for Bean Sprout Based on Microcontroller ATmega 328p Idkham, Muhammad; Mechram, Siti; Abiyyudanah, Danang; Syadara, Wirda; Dhafir, Muhammad; Syafrizal, Syafrizal
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.613-622

Abstract

Technological advancements in agriculture are crucial to meeting the increasing global food demand. Mung bean sprout (Vigna radiata) cultivation requires efficient irrigation to ensure optimal growth. This study designs and evaluates an automatic irrigation system based on the ATmega 328P microcontroller to address the challenge of watering every four hours. The system integrates water flow sensors, relays, and solenoid valves controlled by C-based software in the Arduino IDE. Nine different irrigation test combinations were conducted to determine the most effective strategy. Each treatment had three levels and was tested in triplicate. Data analysis was performed using ANOVA (α = 0.05), followed by the DMRT test to evaluate treatment interactions. Results indicate that the system operates consistently in regulating water flow, improving irrigation efficiency, and reducing human intervention. The best performance was achieved using 50 liters of water with a shower nozzle, yielding the highest production capacity. The system improves irrigation efficiency, prevents over- and under-watering, and enhances crop yield. Analysis shows that water quantity and spraying method influence the yield ratio value in a complex pattern. The W2N3 combination produced the highest value (3.6), while W1N1 had the lowest (2.4). Overall, their interaction significantly affects irrigation effectiveness. Keywords: Agricultural automation, Automatic irrigation, Microcontroller ATmega 328P, Mung bean sprouts (Vigna radiata), Performance testing.
Chickpea Plant Results Due to Liquid Organic Fertilizer Waste from Leaf Vegetable Waste and Tofu Liquid Waste Walunguru, Lena; Mone, Marsema Kaka
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.604-612

Abstract

The use of organic fertilisers represents an effective and sustainable approach to enhancing soil quality. Purpose of this study is to determine the influence of several concentrations of liquid organic fertilizer (LOF) made from leaf vegetable waste and liquid waste and to find out the concentration that has the best effect on chickpea yield. The experiment used a randomized group design (GRD), consisting of 11 treatments, repeated three times. The treatment tested was the concentration of LOF from leaf vegetable waste and tofu liquid waste, namely 0, 25, 50, 75, 100, 125, 150, 175, 200, 225, and 250 ml/l. The data were analyzed with ANOVA, if significant, a further test is carried out with an Honest Significant Difference (HSD) 5%. Observation variables were 1) Plant growth, namely height of plant, leaves amount, diameter of stem, and branches amount, and 2) Plant yield, namely the pods amount, length of pod, weight each of pod, and pod weight each plant. Results of the study that concentration of 250 ml/l had a better effect on amount of pods (56.75 pods), pod length (19.29 cm), weight each pod (10.62 g), and pod weight each chickpea plant (602.17 g). Keywords:   Concentration, Leaf vegetable waste, Liquid organic fertilizer, Growth and yield of chickpea, Tofu liquid waste
Growth and Yield Response of Sunflower (Helianthus annuus L.) Plants to Paclobutrazol Dosage and Application Time Fitriyah, Fitriyah; Hidayat, Ramdan; Widiwurjani, Widiwurjani
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 5 (2025): October 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v14i5.1819-1828

Abstract

Sunflower (Hellianthus annuus L.) has high economic value due to its great potential in industry. High market demand causes the need for intensification in sunflower cultivation to increase production and seed quality. This study aims to determine the right dosage and time of paclobutrazol application in suppressing growth and increasing the yield of sunflower plants. The research was conducted in Dohoagung Village, Balongpanggang District, Gresik Regency from May to September 2024. This research used a Factorial Completely Randomized Design (CRD) with 2 factors, namely dose and application time. The two treatments resulted in 12 combinations, each of which was repeated three times. The results of the analysis of variance were further tested with the 5% HSD test.  The results show that the combination of paclobutrazol dosage of 0.3 g/plant and application time of 4 WAP gives the best results on plant growth (plant height and stem diameter). The single treatment of paclobutrazol dosage of 0.2 g/plant gave the best results on flower diameter, number of seeds, total seed weight and 100 seed weight. A single treatment of paclobutrazol application time at 4 WAP produced the best plant growth and increased flower diameter.
Risk Assessment for Long-term Injury of Oil Palm Harvester Akbar, Arief RM; Wibowo, Alan Dwi; Asyikin, Bima Hairul
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.594-603

Abstract

Fresh fruit bunches (FFB) are mostly harvested manually in large and small plantations. Ergonomically, this type of work has the potential to cause permanent muscle injuries over time. Based on these concerns, a study was conducted to assess the workload by monitoring heart rates using a Heart Rate Monitor for each task element of the oil palm fruit harvesters. The risk level of these harvesters was also assessed using the Rapid Entire Body Assessment (REBA) method. The risk levels were evaluated based on the weight and height of harvesters. The analysis of the harvesters' workload, based on heart rate measurements during different harvesting activities, shows that cutting bunches and fronds falls into the heavy workload category. Moving between locations is classified as a moderately heavy workload, while unloading and organizing bunches at the collection site (TPH) is considered a light workload. The results of the risk level analysis for the harvesters show that for the minimum weight variable, the risk is in the moderate risk category, while for the maximum weight variable, the risk is classified as high. In terms of height, both the minimum and maximum height variables fall into the moderate risk category. Keywords: Ergonomics, Oil palm harvesters, Rapid entire body assessment, Risk level, Workload.
Analysis of Irrigation Modernization Readiness Using FAHP Method Larasati, Berliana; Yanti, Delvi; Rusnam, Rusnam
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.437-447

Abstract

Irrigation modernization is a solution proposed to achieve an effective, efficient, and sustainable participatory irrigation management system. The purpose of this study was to measure the value of irrigation modernization readiness (IKMI) and determine the priority order of the Batang Anai Irrigation Area (IA). The IKMI method used 5 criteria for irrigation modernization (reliability of water supply, water and irrigation resource facilities and infrastructure, management of water and irrigation resources systems, water and irrigation resource management institutions, and human resources) and determines the priority order for modernization preparation using the Fuzzy Analytical Hierarchy Process method. Direct observation activities were carried out for the pillars of irrigation infrastructure and water availability, while interviews and questionnaires were used to assess management systems, management institutions, and human resources. The IKMI value 67.50 for the Batang Anai IA implies modernization is postponed, and irrigation system improvements can be carried out for 1-2 years. The priority order for irrigation modernization is water availability, management institutions, irrigation management, irrigation infrastructure, and human resources. Recommended actions for modernization readiness include checking the water supply system, normalizing irrigation channels, repairing damaged irrigation infrastructure, increasing farmer participation through socialization and training activities, and building synergy between irrigation managers. Keywords: FAHP, IKMI, Irrigation, Modernization, Sustainability.
Design and Performance Test of Corn Seeder Integrated with Fertilizer Applicator Ansar, Muhammad Asshidiq; Ansar, Ansar; De Side, Gagassage Nanaluih
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 3 (2025): June 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i3.911-919

Abstract

Along with the increasing demand for corn in the country, the use of agricultural tools and machines to increase corn productivity is very important. Therefore, this study aims to design and test the performance of a corn seeder integrated with fertilizer applicator. This tool is designed using the principles of agricultural mechanics. The research stages began with conducting a feasibility study, designing a prototype of the tool, then conducting performance testing on agricultural land. The results showed that the majority of farmers considered this tool very effective and efficient to use compared to a digging tool. The results of the performance test on farmers' land also showed that this tool was able to plant corn seeds with uniform depth and spacing and distribute fertilizer evenly. All components of the corn seeder function properly, so it is suitable for use to increase the productivity of corn farmers' land. This corn seeder has met the category requirements as a corn seeder and fertilizer applicator with a manual operating system. The application of this corn seeder has the potential to increase land productivity and can facilitate the process of planting corn seeds. Keywords: Corn seeders, Corn, Land productivity, Planting holes, Respondents.

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