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Department of Agricultural and Biological Engineering, Faculty of Agriculture Lampung University Jl. Soemantri Brojonegoro No. 1, Kedaton, Bandar Lampung, Lampung. 35145
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INDONESIA
Jurnal Agricultural Biosystem Engineering
Published by Universitas Lampung
ISSN : -     EISSN : 28304403     DOI : -
Core Subject : Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Materials Science & Nanotechnology
This journal focuses on agriculture, biosystems and agricultural techniques. Covering power and agricultural machinery, agricultural cultivation, renewable energy, bioprocessing of agricultural products, environmental civil engineering, agricultural irrigation, robotics, automatic control in agriculture, design of agricultural machinery and tools, ergonomics in agriculture, and nanotechnology.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 191 Documents
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Performance Test of Hotong Seed Billing Machine (Setaria italica (L.) P. Beauv) Abrasive Roll Type with Grinding Stone Sutejo, Agus; Abdillah, Kemas Asror; Sucahyo, Lilis; Wicaksono, Dionisius Dwi; Pramuhadi, Gatot
Jurnal Agricultural Biosystem Engineering Vol 2, No 3 (2023): September 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i3.8059

Abstract

Indonesia has a lot of diversity, one of which is in food. Carbohydrates are basic food needs that must be met, in Indonesia there is the potential for various alternative foods. One of the alternative food ingredients producing carbohydrates is hotong. Hotong is a plant that is often found in Indonesia but has post-harvest constraints, namely in the sowing process. Therefore, research was conducted to determine the performance of an abrasive roll type grinding machine with the characteristics of hotong seeds. The research was conducted at PT. Daud Teknik Maju Pratama in November 2022. The treatment of hotong seeds that are sprayed as many as three passes with various levels of rpm speed, namely 806, 940, and 1128 rpm and carried out three repetitions at each rpm. The performance test results of the crushing machine showed the highest scattered capacity and shrinkage at a rotating speed of 1128 rpm, the highest yield and effectiveness of skin separation at a speed of 806 rpm, while at the highest polishing quality at a speed of 940 rpm. Rotating speed affects the sowing results, the faster the engine rotation speed, the quality and capacity of the sowing will increase. In addition, the tilt angle of the machine also affects the result of the sowing capacity. The terminal velocity value is influenced by the weight of the hotong seeds, the higher the weight on the sample, the higher the terminal velocity value obtained. Keywords:  Abrasive Roll, Hotong, Polisher.
Mempelajari Pembuatan Tepung dari Buah Pepaya sebagai Bahan Baku Makanan Nur Oktavia; Tamrin Tamrin; Winda Rahmawati; Sapto Kuncoro
Jurnal Agricultural Biosystem Engineering Vol 2, No 3 (2023): September 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i3.8038

Abstract

Papaya is one of the fruits that are liked in the community because of it has a sweet taste and rich in vitamin C. In Indonesia papaya is abundant and the price of it is relatively low so that papaya gets wasted easily.  Therefore, it is necessary to process the product to extend the shelf life and increase the value-added papaya fruit. Papaya flour is a product  of  new  innovations  of  flour  from  the  fruit  besides  papaya  flour  is  food processed products to increase the value-added agricultural produce. In this study used the temperature treatment and type of papaya,  with successive research procedures namely taking papaya fruit, peeling, slicing, soaking, drying, grinding, and sieving. The results showed that the temperature of drying can affect the moisture content of papaya flour, color, aroma, and vitamin C. The best quality of papaya flour is at 70°c, which is 23 with the desired color and aroma, resulting in an average water content of 4.9678% and vitamin C content that tends to be higher with a value of 420, 0667 (mg/100g). Drying with papaya type treatment does not significantly affect the moisture content of flour, color, aroma and vitamin C content. Keywords: Aroma, Drying, Flour, Papaya, Vitamin C
Pengaruh Pola Pengolahan Terhadap Efisiensi Pengolahan Tanah Menggunakan Traktor Tangan Adi Saputra; Siti Suharyatun; Winda Rahmawati; Warji Warji
Jurnal Agricultural Biosystem Engineering Vol 2, No 3 (2023): September 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i3.8057

Abstract

 It is important to choose a tillage pattern with the aim of efficiency and effectiveness. This research aims to analyze the effect of tillage patterns using hand tractors on processing work capacity, processing time efficiency and fuel requirements. The research was conducted at the BPTP Lampung Natar Experimental Garden located in Negara Ratu Village, Natar District, South Lampung Regency, Lampung Province. The research parameters observed consisted of: work capacity, processing time efficiency and fuel consumption. The research results show that the largest work capacity value is the edge pattern with an average of 0.044 ha/hour, compared to the circular continuous pattern with an average of 0.032 ha/hour and the middle pattern with an average of 0.029 ha/hour. The highest soil processing time efficiency was the circular continuous pattern at 49.86%, then the middle pattern 44.87% and the lowest was the circular continuous pattern 40.71%. The highest fuel consumption is the middle pattern at 0.55 liters/hour, then the edge pattern at 0.53 liters/hour and the circular continuous pattern at 0.45 liters/hour. Keywords: Dry Land, Fuel Consumption, Lost Time, Work Capacity of Tillage.
Modifikasi Alat Perajang Batang Singkong (Rabakong Tipe Tep 5) untuk Meningkatkan Kapasitas Kerja Asmara, Sandi; Kuncoro, Sapto; Suharyatun, Siti; Setiawan, Firnando Anggi
Jurnal Agricultural Biosystem Engineering Vol 2, No 3 (2023): September 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i3.8049

Abstract

Lampung Province is the largest producer of cassava in Indonesia. However, cassava production in Lampung has been declining over the past five years due to many farmers switching to other commodities due to the long harvesting period and unstable prices. This has resulted in a buildup of cassava stem waste, requiring innovation to manage this waste. Hence, the cassava stem chopper (Rabakong) was introduced. Rabakong has been developed by Agricultural Engineering (TEP) students from the University of Lampung, starting from TEP 1, TEP 2, TEP 3, TEP 4, and TEP 5. This research method involves modifying the frame of the previous version, redesigning the components to be modified using AutoCAD software, and then fabricating and collecting data after modification. The latest modified Rabakong machine underwent significant changes in the number of blades, which are fewer but arranged spirally for efficiency in chopping and space-saving. The working capacity has increased to 207 kg/hour at 1400 rpm. Waste material has decreased to 11.39%. Fuel consumption is 2.580 liters/hour. The percentage of finely chopped materials (<0.2 mm) is only 17.19%, while coarsely chopped materials (>0.5 cm) reach 51.41%, indicating that the latest version is more suitable for coarse results.. Keywords: Cassava Stems, Design, Efficiency, Modification. 
Pengaruh Dosis Pupuk dan Tinggi Permukaan Air pada Budidaya Padi Varietas M70D dengan Media Pasir Ridwan, Ridwan; Sholihah, Annisa Mar'atus; Amien, Elhamida Rezkia; Amin, Muhammad
Jurnal Agricultural Biosystem Engineering Vol 2, No 3 (2023): September 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i3.7890

Abstract

This study aims to obtain the most suitable combination of water table level and organic fertilizer dosage for the growth and production of M70D rice varieties in sand media. The tools used include glass pots with a thickness of 5 mm, digital scales, floats, pipes, sprayers, tape measure and ruler. The materials used were rice seeds of the M70D variety, husk charcoal, soil, river sand, water, granule organic ghally fertilizer, and liquid ghally organic fertilizer. The research method used was a factorial experiment in a completely randomized design with 2 factors, namely fertilizer dose (d) and water level (a) with each treatment repeated 3 times (U). The growth of rice plants (Oryza Sativa L.) variety M70D will be optimum if given a dose of 5 g of fertilizer in the vegetative phase. Whereas in the generative phase, it will be optimum with a 15 gr fertilizer dose. A water level of -1 cm below the surface had the best effect on plant height and number of leaves of Paddy (Oryza Sativa L.) variety M70D in the vegetative phase. Whereas in the generative phase, will be optimum with the water level of 0.5 cm. The application of a fertilizer dose of 15 g and a water level of 0.5 provides the most optimal effect for the growth and development of rice variety M70D. Keyword: Fertilizer, Glass, Paddy, Potted rice, Sand media.
Uji Kinerja Sistem Fertigasi Tanaman Bawang Merah (Allium cepa L.) Wahyuni, Leni Tri; Tusi, Ahmad; Amien, Elhamida Rezkia
Jurnal Agricultural Biosystem Engineering Vol 2, No 3 (2023): September 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i3.8060

Abstract

The purpose of the fertigation system is to meet the needs for irrigation and fertilizer for plants provided simultaneously through the drip irrigation system. Appropriate application of fertilizer and irrigation (both quantity and time of application) is the key to the growing process of shallot plants. The aim of the research was to test the fertigation system, analyze the performance of the fertilizer injector, and determine the uniformity of the drops in the drip fertigation system. Fertigation with a drip irrigation system design using a dripper line emitter (Streamline X, 16 mm diameter) with a spacing of 30 cm, 1-2inch PVC type manifold pipes, 4inch main pipe PE type, and 2 - 3inch PE type sub-main pipe. The water distribution method used a pump with a discharge of 13 m³/hour, a fertilizer injector with an injector (dosing proportional mix-rite), and an automatic control box system using NMC Pro. The variables observed were coefficient of uniformity (CU), fertilizer injector performance, and wetting diameter on the soil surface. The results showed that the appropriate fertilizer injector size setting for plant growth in each shallot growth phase was 0.3, 0.4, and 0.5. The irrigation efficiency and CU value were 96 % and 86 % respectively, which means that the water distribution via dripper lines has good uniformity with an average wetting diameter of 22 cm. Keywords:  Coefficient of Uniformity, Dripper Lines, Fertigation, Fertilizer Injectors, Shallots.
Pengaruh Variasi Bahan Peredam Kemasan dan Tingkat Kematangan Buah Alpukat terhadap Tingkat Kerusakan Mekanis pada Simulasi Getaran Selama Transportasi Rahmah, Fadhlilla Monica; Tamrin, Tamrin; Rahmawati, Winda; Kuncoro, Sapto
Jurnal Agricultural Biosystem Engineering Vol 2, No 3 (2023): September 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i3.8050

Abstract

Cause of damage is improper or inappropriate packaging. Therefore this study aims to determine the optimal type of packaging damper in minimizing mechanical damage to the fruit. This research was conducted in February - April 2020 at the Laboratory of Bioprocess Engineering and Postharvest Handling, University of Lampung. This research was conducted by looking at the level of damage to the avocado when dropped manually and when vibrated mechanically with a vibrating table. In the manual experiment, one avocado is divided into four parts, each part will be treated with different absorbent materials in the form of straw, fibers, dried banana leaves and control with a thickness of 2cm damper which is then dropped from a height of 5 cm, 10 cm, and 15 cm. In mechanical testing using a packaging box measuring 29 cm long, 14 cm wide and 14 cm high. Each box contains 12 avocados arranged in 2 layers and then added with a damper with a thickness of 2 cm, each package is ventilated with a circle type with a diameter of 3 cm, 4 pieces on each right and left side of the package. The observed parameters were mechanical damage in the form of bruises, weight loss, and level of hardness test. The observed data obtained were processed using simple statistics with each data averaged and compared to the damage between the fruit that was dropped manually and vibrated with a vibrating table. The results showed that the fiber-absorbing agent treatment was more optimal in minimizing mechanical damage to avocado because the fibers had a lignin content of around 29.4%. Keywords: Avocado, Mechanical Damage, Silencer, Transportation Simulation.
Pengaruh Kecepatan Putar dan Jumlah Masukan Batang Singkong Terhadap Kinerja Mesin Rabakong Tipe TEP-6 Asmara, Sandi; Kuncoro, Sapto; Suharyatun, Siti; Juliantoro, Rizky Alif
Jurnal Agricultural Biosystem Engineering Vol 2, No 3 (2023): September 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i3.8056

Abstract

Cassava production not only produces tubers, but also produces waste, one of which is cassava stems. So far, the waste of cassava stems has not been widely used by farmers, so that after the cassava is harvested, the cassava stems are just left lying on the ground. This study aims to reduce cassava stem waste through size reduction using a cassava stem chopper (Rabakong) with variations in engine speed per minute (RPM).This research was carried out at the Agricultural Equipment and Machinery Power Laboratory, Department of Agricultural Engineering, Faculty of Agriculture, University of Lampung in May - June 2023. The treatment used 3 variations of RPM namely 800, 1000, and 1400 where each used 3 different amounts of input, and each RPM was repeated 3 times. The number of inputs used is the input of 3 sticks, 4 sticks, and 5 sticks. The results showed that chopping using the RPM setting of 1400 and the input amount of 4 cassava sticks had the best working capacity with a value of 194.448 kg/hour. Lowest fuel consumption by using the RPM setting of 800 and the number of inputs of 3 sticks with a value of 1,073 liters/hour. Keywords:  Cassava Stems, Input, Rabakong, RPM.
Studi Analisis Kelayakan Ekonomi Mesin Perajang Gedebog Pisang Dengan Variasi Jumlah Pekerja Asmara, Sandi; Novita, Dwi Dian; Suharyatun, Siti; Abdilah, Rois
Jurnal Agricultural Biosystem Engineering Vol 3, No 2 (2024): June 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i2.9152

Abstract

Banana stem waste can be used as raw material for animal feed by reducing the size so that it is easy to consume. The Banana Stem Chopper Machine type TEP-2 can be used to chop banana stems into pieces measuring 2-5 cm. In this research, machine testing was carried out with treatment of 1, 2 and 3 workers, then chopping analysis, break even point analysis and feasibility analysis were carried out. This research aims to determine the economic feasibility of the Banana Stem Chopper Machine type TEP-2 with how many workers will gain maximum profit. The analysis results show that chopping with 1, 2 and 3 workers is suitable for economic purposes. The best performance occurred in chopping with 3 workers which resulted in a work capacity of 1382.74 kg/hour, basic chopping costs of IDR 260.84/kg and a break-even point of 10,002.60 kg/year. Productive working hours are 6 hours per day and the price for chopped banana stems is IDR 500/kg, the potential profit is IDR 309,531,548.00/year.Keywords : Banana stem waste, chopping machine, economic analysis, feasibility analysis
Pemanfaatan Limbah Kulit Kakao Sebagai Bahan Pembuat Pori Pada Ecopavings Block Erlangga, Erlangga; Rahmawati, Winda; Amin, Muhammad; Suharyatun, Siti
Jurnal Agricultural Biosystem Engineering Vol 2, No 4 (2023): December 2023
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v2i4.8187

Abstract

During 2018-2019 there were floods in the Bandar Lampung area. In general, the flood that occurs is only inundation with a maximum height of 2 meters. Therefore, every residential area or roadside must have water catchment areas such as a stretch of land in the form of planting or sidewalks that have pores such as paving blocks that can absorb rainwater into the ground. Making paving blocks in this study used cocoa shell waste because it was indicated that it could be processed into charcoal which contains a lot of carbon which can absorb water, with this composition absorbing water between eco-pavings blocks. The purpose of this research is to utilize cocoa shell waste to manufacture eco-paving blocks and to analyze the physical characteristics of cocoa shell eco-paving blocks. The effect of cocoa shell waste on Eco-Paving Blocks in this study is that the more cocoa shell waste fiber is used, the more porous cavities in the eco-paving block will be, and vice versa. The paving block of cocoa shell waste produced in this study has an average density test value of 1670.751 kg/m3 to 1929.642 kg/m3. The water absorption test obtained an average value of 11.18% - 19.82%. For the infiltration test, the largest value was obtained, namely in treatment 1, which was 0.355 mm/s. The visible test is obtained with the shape of the appropriate paving texture obtained on the P2 factor because the resulting texture is good and there are no gaps or defects when the paving has been printed. Meanwhile, in the compressive strength test, the average value decreased significantly from the P1 variation to the P4 variation. The highest value was in treatment P1 with a value of 0.0154 MPA, while the lowest value occurred in treatment P4 with a value of 0.0030 MPA. However, in this study there were several parameters that did not meet the criteria for quality standard paving D. Keywords: Eco-Paving Block, Cocoa Shell Waste

Page 11 of 20 | Total Record : 191

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