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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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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 9 Documents
 1 
Search results for , issue "Vol 3, No 3 (2024): September 2024" : 9 Documents clear
Proses Pengeringan Daun Tarum (Indigofera zollingeriana) Menggunakan Alat Pengering Hybrid Lani, Lisa May; Suharyatun, Siti; Kuncoro, Sapto; Warji, Warji
Jurnal Agricultural Biosystem Engineering Vol 3, No 3 (2024): September 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i3.9944

Abstract

.  Tarum (Indigofera zollingerina) is a land plant belonging to the Leguminosa family. This plant grows widely in Sumatra and Java. Tarum leaf flour contains crude protein, crude fat or ether extract and crude fiber. Tarum leaf flour contains mineral content, namely Ca, P, Mg and complete amino acids and is almost the same as soybean meal. The population of beef cattle and goats in Indonesia is currently continuing to increase, it is recorded that the population of beef cattle in Indonesia in 2022 will be around 18,061,000 heads and 19,397,960 goats spread throughout Indonesia.  Where is the data on the population of beef cattle and goats increased compared to the previous year (2021) which was only 18,053,710 head of cattle and 19,229,067 head of goats. The use of hybrid dryers is an effective choice for drying Tarum leaves. Testing materials using electricity and solar energy (hybrid) was carried out for 8 hours. Testing materials using an oven was carried out for 6 hours. Tests using direct solar energy (traditional) were carried out drying for 12 hours. Proximate analysis is one way that has often been used to determine the value of nutrient content in raw materials or food. From the results of testing the proximate content of Tarum leaf flour using a hybrid dryer obtained; moisture content 10.52%, protein 22.47%, fat 11.69%, fiber 8.75%, ash content 10.70% and BETN 35.87%. Drying using oven obtained; moisture content 10.98%, protein 17.54%, fat 12.87% fiber 6.78%, ash content 9.72% and BETN 42.11%. Drying using direct solar energy (traditional) obtained; moisture content 12.31%, protein 18.54%, fat 8.64%, fiber 8.54%, ash content 14.27% and BETN 37.7%. Keywords:  Drying, Hybrid, Proximate Test, Tarum.
Identifikasi Sawah Irigasi Teknis Tidak Produktif di Kota Metro Berbasis Sistem Informasi Geografis dan Citra Landsat 8 OLI Ridwan, Ridwan; Amin, Muhammad; Asmara, Sandi; Asshidiq, Miftahul Huda
Jurnal Agricultural Biosystem Engineering Vol 3, No 3 (2024): September 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i3.9947

Abstract

Much of Metro City still serves asa technical irrigation site. The Metro City rice commodity is a strategic commodity that needs serious attention to its management and development, since farmers and their productivity are predominately high. The research aimed at knowing the condition of the irrigation doors in UPTD Pengairan Metro irrigation areas, knowing the extent of the tracts of fields of potential and function according to irrigation areas, and knowing the condition of the technical irrigation fields by means of a method of interpretation of the image of landsat 8 OLI. The study uses NDVI (Normalized Difference Vegetation Index) vegetative index method and NDBI (Normalized Difference Built-up Index). NDBI is used to identify the growing sequence of MT1 2020-2022. NDVI is used to score a layer of vegetative fragility in Metro City. The condition of the irrigation doors in UPTD Pengairan Metro of 57 irrigation gates in existence, 53 are in good condition and the remaining 4 are damaged. Comparative of the large tracts of rice field in the Sekampung Bunut area of potential amounting to 2,070 ha and an area of function of 1,466 ha. For Sekampung Batanghari, area of potential area of 1,696 ha and an area of function of 1,457 ha. The technical irrigation state of the rice fields in Metro City was studied vegetation is rare with NDVI a value of 0.15. From the NDVI MT1 classification in 2020-2022 years, it is identified that the damage to irrigation doors in the fields of technical irrigation became unproductive marked by the change of color in the northern region of the city from 2020 to 2022. Keywords : NDBI, NDVI, The Image Of Landsat 8, Technical Irrigation Rice.
Penggunaan Electrical Impedance Spectroscopy (EIS) untuk Mengidentifikasi Kerusakan Mekanis pada Buah Apel Sugianti, Cicih; Maktub, Zana Azalia
Jurnal Agricultural Biosystem Engineering Vol 3, No 3 (2024): September 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i3.10157

Abstract

Mechanical damage is a common issue that affects the quality and marketability of apples during postharvest handling and storage. This study aims to identify mechanical damage in apples using Electrical Impedance Spectroscopy (EIS) as a non-destructive evaluation method. EIS measurements were conducted to analyze the electrical properties of both damaged and intact apples. Results showed that damaged apples exhibited lower extracellular resistance (7.8 kΩ) compared to intact apples (44.67 kΩ), indicating increased electrolyte leakage due to cell membrane disruption. Cole-Cole plot analysis further revealed significant differences in the impedance characteristics of apples, reflecting the extent of tissue damage. These findings demonstrate that EIS effectively detects mechanical damage by assessing changes in cellular integrity. The method provides a rapid, accurate, and non-invasive approach for quality control in apple handling and storage processes. Keywords: Apple, Cell Membrane Integrity, Extracellular Resistance, Electrical Impedance Spectroscopy (EIS), Mechanical Damage.
Pemanfaatan Limbah Serat Kelapa Sebagai Bahan Tambahan Pembuatan Paving Block Rahmawati, Winda; Marcus, Patrice Kevin; Wisnu, Febryan Kusuma; Haryanto, Agus; Telaumbanua, Mareli; Sugianti, Cicih
Jurnal Agricultural Biosystem Engineering Vol 3, No 3 (2024): September 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i3.10161

Abstract

Indonesia is one of the largest coconut producing countries in the world, Lampung Province itself has a coconut plantation area of 91.8 thousand hectares with a production of 81.9 thousand tons in 2021. One alternative of the uses of coconut fiber is as a mixing material for porous paving blocks. This study aims to make porous paving blocks with additional coconut fiber and to determine the physical characteristics of paving blocks with a mixture of coconut fiber. This study used a completely randomized design consisting of 4 treatments and 5 replications with a sample size of 40 pieces divided into destructive and non-destructive tests. The method of making paving blocks in the study was that the fiber was mixed with a mixture of cement and sand, then molded and conditioned for 28 days. The tests carried out were visual tests, water absorption tests, infiltration tests, density tests and compressive strength tests. The results of the study showed that the addition of coconut fiber to the paving block mixture affected the results of the test of the characteristics of porous paving blocks) Keywords: Coconut Fiber, Deformation, Ductile, Infiltration, Pore Space. 
Pemberian Campuran Nutrisi AB Mix dengan Limbah Cair Kelapa Sawit Sebagai Pupuk pada Tanaman Sawi Hijau (Brassica chinensis var. Parachinensis) dengan Metode Hidrponik Zuleika, Divia Laila; Triyono, Sugeng; Tusi, Ahmad; Haryanto, Agus
Jurnal Agricultural Biosystem Engineering Vol 3, No 3 (2024): September 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i3.9946

Abstract

Palm oil mill effluent (POME), discharged by palm oil processing industry, is potentially recovered as substitution of AB mix, a nutrient solution for hydroponic. The objective of this research is to test the use of the treated POME in the mixture with AB mix to cultivate green mustard. The method in this study uses a factorial Completely Randomized Design (CRD) with 2 factors.  The first factor, namely POME (K) consists of 2 levels, namely Pond 3 (K3) and Pond 4 (K4).  The second factor is the mixture of AB Mix and POME, which consists of 5 levels of the POME percentages namely: 0% (P0), 25% (P25), 50% (P50), 75% (P75), and 100% (P100). Results showed that the increasing percentages of POME additions tended to decrease the growth of green mustard. The best treatment was obtained on treatment of P0, 100% AB mix with no POME addition based on plant height, number of leaves, and water consumption. Keywords: AB Mix, Green Mustard, Hydroponic, POME, Wick System
Pengaruh Suhu dan Tekanan terhadap Hasil Penggorengan Keripik Ubi Cilembu (Ipomoea batatas) Menggunakan Vacuum Frying Asmara, Sandi; Kuncoro, Sapto; Tamrin, Tamrin; Nahak, Gradiana Eny
Jurnal Agricultural Biosystem Engineering Vol 3, No 3 (2024): September 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i3.9948

Abstract

Cilembu sweet potato production in Lampung reached 28,494,000 tons/year (2015 statistical data). The selling price of Cilembu sweet potatoes in traditional markets is low, ranging from IDR 4,000 to IDR 10,000/Kg. Therefore, it is necessary to carry out appropriate processing in order to increase the selling price of Cilembu sweet potatoes. One way that can be done is by making Cilembu sweet potatoes into a chips product using a Vacuum Frying fryer. A vacuum fryer is a vacuum fryer which has the advantage of frying fruit and vegetables into crispier chips and maintaining product quality without preservatives. The aim of this research is to analyze the influence of temperature and pressure on the results of frying Cilembu sweet potato chips using a Vacuum Frying fryer and determine the optimal temperature and pressure needed to produce the best quality Cilembu sweet potato chips. The research method used was a factorial Completely Randomized Design (CRD). The experimental factors in this study used two factors, temperature (T), namely 80°C,  85°C,  90°C and pressure (P) -66 cmHg, -68 cmHg, -70 cmHg, with repetition 3 times to produce 27 experimental units. The parameters observed were material weight loss analysis (random), water content, and sensory tests. It can be concluded that the optimal choice of temperature and pressure in operating the Vacuum Frying tool for frying Cilembu sweet potato chips is a temperature of 90°C and a pressure of -68 cmHg. The quality of frying pans with a temperature of 90°C and a pressure of -68 cmHg is included in the best product category in this research based on overall acceptance which has a yield value of 35%, water content of 3.3%, and a color sensory test score of 3.75 (yellow), aroma 2.95 (the aroma of Cilembu sweet potato chips is a bit strong), taste 4.25 (like it), crunchiness 4.2 (crisp). Keywords:  Chips, Cilembu Sweet Potato, Vacuum Frying.
Pemanfaatan Abu Briket Batubara Rumah Tangga Sebagai Bahan Pengganti Sebagian Pasir dalam Pembuatan Mortar Tamrin, Tamrin
Jurnal Agricultural Biosystem Engineering Vol 3, No 3 (2024): September 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i3.10160

Abstract

The coal briquette can be used for household alternative fuel. Burned the coal briquette will be produced ash.  The ash cause environmental pollutant. The ash can be used a part of sand substitute to make cement paste.  The research aimed to study the effect of percentage of ash (0, 10, 20, 30, and 40%) from sand that needed to make cement paste to strength of block cement and seepage water in cement.  The mixing of 10% ash in block cement can decrease 12,5% strength of block cement from maximum strength.  The mixing 10-20% ahs in block cement can restrain seepage water in block cement a boat 50%.  Keyword: Ash Coal Briquette, Cement, Strength and Seepage
Desain Insinerator Tipe TEP-1 Asmara, Sandi; Jati, Dhanur Pramono; Kuncoro, Sapto; Warji, Warji
Jurnal Agricultural Biosystem Engineering Vol 3, No 3 (2024): September 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i3.9945

Abstract

The waste problem in Bandar Lampung is becoming increasingly critical as the volume of domestic waste reaches 1,283 tons per day. Ineffective management can lead to negative impacts on public health and the environment, such as the spread of diseases and pollution. This study aims to design and test a household-scale incinerator that is effective, efficient, safe, and low in pollution as an alternative solution for waste management. The designed incinerator is capable of burning 30 kg of waste in 180 minutes, using a fuel mixture of used oil and gasoline amounting to 130 ml. Test results show that the thermal efficiency of the incinerator ranges from 70-75%, with a charcoal yield of 14.42% and an ash yield of 11.53%. The overall efficiency reaches 77.05%, indicating that this device can optimally utilize the energy produced from combustion. This research demonstrates that a household-scale incinerator can be an effective solution for reducing waste volume and minimizing negative impacts on the environment. Recommendations for future research include the development of the incinerator design, evaluation of the temperature control system, and analysis of emissions generated from various types and compositions of waste. Thus, this study makes an important contribution to more environmentally friendly and sustainable waste management in Indonesia. Keywords: Combustion, Development, Design, Incinerator, Waste, Used Oil, Yield.
Analisis Ekonomi Pembuatan Ikan Asap Berbahan Bakar Arang dan Sabut Kelapa Asmara, Sandi; Aldama, Daffa Chairunissa; Warji, Warji; Kuncoro, Sapto
Jurnal Agricultural Biosystem Engineering Vol 3, No 3 (2024): September 2024
Publisher : abe.fp.unila.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jabe.v3i3.10162

Abstract

The main sector in Indonesia is fisheries, particularly in the industry and export of high-value seafood products. Indonesia's fisheries potential is significant and can serve as a funding source for development with proper management. Effective and efficient drum-type fish smoking machines are needed for post-harvest processing to improve the smoking process compared to traditional methods. Economic analysis is conducted to understand the performance of these smoking machines and provide beneficial information to the general public. This study aims to evaluate the performance of drum-type fish smoking machines to provide economic feasibility information to the public. Data collected are then analyzed to assess the performance and economic feasibility of the smoking machines. Based on the analysis, operating the drum-type fish smoking machine can produce 4 kg of smoked catfish using 2.6 kg of charcoal and 3.43 kg of coconut husks for each smoking session. Over 14 working days per month, Net Present Value (NPV) is Rp. 59.215.651/year, Benefit-Cost (B/C) ratio is 1,553. The sensitivity analysis shows no significant changes in the economic feasibility of the smoking machine with varying working days. Keywords: Break Even Point (BEP), B/C Ratio, Drum type of smoke fish, Internal Rate of Return (IRR). Net Present Value (NPV).

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