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All Journal Jurnal AGROTEKNOLOGI AUSTENIT Jurnal Keteknikan Pertanian Jurnal Dinamika Penelitian Industri agriTECH IJEMS (Indonesian Journal of Environmental Management and Sustainability) Seminar Nasional Lahan Suboptimal PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Journal of Governance and Local Politics (JGLP) PUBLIKASI PENELITIAN TERAPAN DAN KEBIJAKAN Prima Abdika: Jurnal Pengabdian Masyarakat Edible : Jedb SRIWIJAYA JOURNAL OF ENVIRONMENT Jurnal Locus Penelitian dan Pengabdian Jurnal Polimesin
Amin Rejo
Universitas Sriwijaya
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Other

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The Influence of Climate Change on Rainfall and Rainy Days for Rubber Production of Kusen Clone in Rambang District, Muara Enim Regency Andika, Eva Juniar; Rejo, Amin; Puspitahati
Indonesian Journal of Environmental Management and Sustainability Vol. 8 No. 1 (2024): March
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2024.8.1.7-15

Abstract

Extreme rainfall impacts rubber production, reducing effective tapping days and cumulative annual output and having a wide-ranging effect on rubber crop cultivation. This study aimed to find out how rainfall and rainy days affected the rubber production of the Kusen clone in Muara Enim Regency’s Rambang District. The study was conducted on a rubber plantation of Kusen clone, which has an area of 1 ha. The initial stage in analyzing the impact of climate change on Kusen clone rubber production in Rambang District, Muara Enim Regency, was identifying the independent and dependent variables. The T-test was conducted to see whether each independent variable partially has a significant effect on the dependent variable. Rubber production has fallen year after year, with an average of 205.12 kg/ha in 2019 during the first year of tapping and 118.43 in 2023. The coefficient value (r) shows a 27.2% (sufficient correlation) magnitude association between the rainfall and rainy-day variables and the rubber productivity variable of the Kusen clone. In Correlation test results, rainfall and rainy days are strongly associated with producing Kusen clone rubber, as demonstrated by the correlation analysis value of 0.846. Regression research showed that rainfall and rainy days had a statistically insignificant effect on rubber production on the rubber clone Kusen in Rambang District, Muara Enim Regency.
Identification of Hotspots and Burnt Areas in Ogan Ilir District, South Sumatera Province Febrida, Cely; Rejo, Amin; Husin, Azizah
Indonesian Journal of Environmental Management and Sustainability Vol. 8 No. 2 (2024): June
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2024.8.2.82-88

Abstract

Ogan Ilir District is one of South Sumatra, Indonesia’s regencies, prone to forest and land fires. This study aims to identify hotspot distribution and analyze fire and land hazard levels from 2017 to 2022 in Ogan Ilir District using Landsat 8 imagery with the Normalized Burning Ratio (NBR) method. The study’s results show that from 2017 to 2022, 423 hotspots were recorded. Specifically, in 2017, there were 2 points; in 2018, 121 points; in 2019, 207 points; in 2021, 76 points; and in 2022, 17 points. North Indralaya is the sub-district with the highest level of forest and land fire vulnerability, with the number of events ranging from 80 to 164. West Pamulutan and Pamulutan are at a high hazard level, with incidents ranging from 33 to 79. Meanwhile, Indralaya and South Indralaya sub-districts have a medium level of danger, with events ranging from 19 to 32. The low threat level for forest and land fires is spread across all sub-districts in Ogan Ilir District, with the number of events ranging from 1 to 18.
Fisibilitas Finansial Pengendalian Traktor Tangan dengan Sistem Android Berbasis Jaringan WiFi di Agroindustri Lahan Basah Handoko, Widi; Rejo, Amin; Panggabean, Tamaria
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Handoko, W., Rejo, A., & Panggabean, T. (2024). Financial feasibility assessment of hand tractor controlled by android system wifi network based in wetland agroindustry. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembang 21 Oktober 2024. (pp. 895–905).  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).The advancement of agricultural practices in Indonesia, particularly in wetland tillage, through the introduction of Android-controlled hand tractors is essential to tackle the challenges posed by diminishing labor and agricultural land. This study aimed to evaluate the financial viability of implementing a Wi-Fi-based Android-controlled hand tractor in comparison to manual operation. The methodology encompasses technical field capacity testing, cost efficiency, and financial assessment. The financial analysis of the five-year investment simulation revealed a Net Present Value (NPV) of IDR 19,918,961, an Internal Rate of Return (IRR) of 28.03%, a payback period of 1.78 years, and an ROI of 60.15%, which is 10.4% lower than the conventional method. These findings suggest that investing in this technology is not only financially feasible but also profitable. The adoption of Android-controlled hand tractors enhances productivity and has the potential to yield substantial economic returns for the agricultural sector.
Penetapan Model Pengelolaan Limbah Cair Tempe di Plaju Ulu dengan Metode Interpretive Structural Modeling Destri, Erin; Rejo, Amin; Hanum, Laila
Seminar Nasional Lahan Suboptimal Vol 12, No 1 (2024): Vol 12, No 1 (2024): Prosiding Seminar Nasional Lahan Suboptimal ke-12 “Revital
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Destri, E., Rejo, A., Hanum, L. (2024). Determination of tempeh wastewater management model in plaju ulu with interpretive structural modeling method. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-12 Tahun 2024, Palembangg 21 Oktober 2024. (pp. 409–425). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).The development of the household-scale tempeh industry in Plaju Ulu, Palembang, produces wastewater that has the potential to disrupt environmental balance if not managed properly. This research aimed to establish appropriate recommendations for a model of wastewater management for tempeh to minimize the impacts caused by waste disposal. This study uses the Interpretive Structural Modeling (ISM) approach to determine the relationships between elements in formulating the model recommendations. The framework variables for this research include three main elements: the background conditions of education, economy, and socio-cultural aspects of tempeh producers. The research findings indicate that the implementation of wastewater management for tempeh in Plaju Ulu needs to be supported by strengthening formal education through workshops or seminars for tempeh producers on effective waste management techniques, or by collaborating with academics to develop innovative waste processing technologies. The success of waste management also relies on the welfare of tempeh producers, necessitating efforts such as product diversification from wastewater raw materials and providing access to product certification to enhance competitiveness and sales. Additionally, the management of tempeh liquid waste requires the development of local regulations governing the disposal and management of wastewater, involving tempeh associations in discussions to ensure that the management stages are accepted and implemented effectively. A model for managing tempeh wastewater that focuses on education, economy, and socio-cultural aspects is expected to create a sustainable environmental system through good collaboration among all partiesn.    
Identification of Tempeh Wastewater Quality and Analysis of Producer Behavior towards Waste Management in Plaju Ulu Destri, Erin; Rejo, Amin; Hanum, Laila
Sriwijaya Journal of Environment Vol 9, No 3 (2024): ENVIRONMENT AND POLLUTION
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2024.9.3.178-185

Abstract

The development of the household-scale tempeh industry in Plaju Ulu has the opportunity to disrupt the balance of environmental ecosystem if it is not balanced with treatment. Efforts to identify the quality of wastewater and the behavior of tempeh producers need to be carried out in order to immediately prevent the impact caused by waste and become basis for determining the right treatment method. This study uses mix methods approach. Quantitative methods were used  to the identification of BOD, COD, TSS, and pH. Qualitative method was used to find out the behavior of producers. The results showed that soaking stage produced a pH level of 3,830; TSS 22,350 mg/l; COD 27,214.100 mg/l, and BOD 224 mg/l.  Washing stage produce a pH of 4,530; TSS 787,500 mg/l; COD 1187,200 mg/l, and BOD of 7 mg/l.  Boiling stage produces pH 5.3; TSS 1165 mg/l; COD 45,332.8 mg/l, and BOD 295 mg/l. Separation stage of soybean produce TSS 117 mg/l; COD 676,320; BOD 400 mg/l and pH level 6.930. Watering stage produce BOD level of 160 mg/l. Tempeh producers have been aware about importance of waste management process to maintain environmental balance, but as many as 81% of producers still dispose
Low-cost modular remote-control system for two-wheel hand tractors: design and performance evaluation using fly sky fs-i6 Rizky Tirta Adhiguna; Syifa Robbani; Amin Rejo
Jurnal Polimesin Vol 23, No 4 (2025): August
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i4.7013

Abstract

This research designed and developed a modular remote-control system for two-wheel hand tractors using the Fly Sky FS-i6 transmitter as a low-cost and responsive alternative to existing automation solutions. The primary objective is to improve operational efficiency and operator comfort while maintaining investment costs suitable for Indonesian smallholder farming. The total cost of system components (DC motors, servo motors, relays, solenoids, and receivers) was approximately USD 210, which is significantly lower than comparable IoT- or GPS-based automation kits (USD 600–1,000). Modifications were made to the throttle, clutch, and brake systems, allowing for remote operation via radio frequency without requiring the replacement of the main engine. Performance testing was conducted on various land conditions, measuring response time, tractor speed, theoretical and practical capacity, working efficiency, ploughing depth, wheel slip, and fuel consumption. Results showed that the solenoid-based control system responded reliably with an average delay of 1.5 seconds across all throttle positions. Average working speeds for throttle positions of 3 cm, 6 cm, and 9 cm were 1.872 km/h, 2.628 km/h, and 3.096 km/h, respectively. Wheel slip remained within the SNI standard of ≤ 25%, and fuel consumption averaged 0.33 liters per hour. Straight-line motion tests revealed a maximum deviation of 240 cm on uneven soil surfaces. This deviation is considered acceptable for hand tractor operations in Indonesia, where plot widths typically range from 15–25 m, and does not significantly reduce working efficiency. Overall, the modular remote-control system significantly improves usability and efficiency while providing a scalable, low-cost transition toward precision agriculture technologies in smallholder farming contexts.
Diseminasi Teknologi Pemanfaatan Asap Cair dalam Produksi Pertanian dan Pangan Lokal Secara Berkelanjutan Adhiguna, Rizky Tirta; Robbani, Syifa’; Aulia, Nurul Izzah; Haryani, Fatria Resti; Setyaaji, Primayoga Harsana; Puspitahati, Puspitahati; Rejo, Amin; Kuncoro, Endo Argo
Prima Abdika: Jurnal Pengabdian Masyarakat Vol. 4 No. 4 (2024): Volume 4 Nomor 4 Tahun 2024
Publisher : Program Studi Pendidikan Guru Sekolah Dasar Universitas Flores Ende

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/abdika.v4i4.5070

Abstract

Lack of understanding of using liquid smoke in preserving chicken fillet food and rubber agricultural products for durability among farmers in Payakabung Village, North Indralaya District, Ogan Ilir Regency is the main factor in carrying out Community Service (PkM). The purpose of this PkM is to educate and improve the knowledge and skills of the Payakabung Village community regarding the benefits and techniques of using liquid smoke on chicken fish meat as a food preservative and agricultural products for the durability of rubber latex products. Implementing community service for farmers is done directly in the field through pedagogical and participatory learning. The activity is counselling and socialization through lecture methods, discussions, and questions and answers, where the community service team delivers the material. Community Service related to the dissemination of liquid smoke technology in Payakabung Village has effectively empowered the local community, especially farmers. Through this program, farmers have succeeded in developing skills in utilizing liquid smoke on chicken fillets and rubber agricultural products for the durability of latex, which has high economic value. The program's success is reflected in farmers' ability to use liquid smoke independently to preserve and improve the quality of products such as chicken fillets and rubber, ultimately opening up new business opportunities and increasing their income.
Leaf Growth of Angsana Plants on Reclaimed Land After Coal Mining Nutayla, Nazula; Rejo, Amin; Adhiguna, Rizky Tirta
Sriwijaya Journal of Environment Vol 8, No 3 (2023): ENVIRONMENT AND COMMUNITY
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/2023.8.3.156-164

Abstract

The majority of coal mining is done using open pit mining techniques, which have an effect and present a challenge to changes in the chemical, physical, and biological characteristics of the soil. Restoration of ecosystems damaged by mining activities is prioritized through revegetation of reclaimed land. The purpose of this study is to evaluate how well Angsana plants develop faster in coal mining reclamation zones when they are planted directly. Field data and observations are utilized to assess the growth of plants that are directly planted in land reclaimed after mining activities. The growth parameters that are observed involve counting the number of leaves for plants using both seedlings and stem-cutting planting materials. The results showed that the average leaf growth in seedling planting material treated with bokashi fertilizer exhibited normal growth with more leaf characteristics compared to the control treatment. However, during the period of 2 to 4 weeks after planting, abscission occurred in leaf growth. The growth in the number of leaves on the seedling planting material was observed from 6 weeks after planting until the end of the study. Meanwhile, the average leaf growth on the planting material of cuttings occurred from 4 weeks after planting to 12 weeks after planting. However, slow leaf growth was noted in the planting material of cuttings treated with coal fertilizer at a dose of 1 kg/planting hole, where leaf growth occurred 11 weeks after planting.
PENGATURAN TEKANAN UDARA PANAS PADA ALAT PEMBUAT ASAP CAIR MENGGUNAKAN TEKNIK MODIFIKASI GATE VALVE Gunawan, Indra; Hasbi, Hasbi; Rejo, Amin
AUSTENIT Vol. 4 No. 02 (2012): AUSTENIT: Oktober 2012
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (537.325 KB)

Abstract

Pemanfaatannya buah kelapa di Wilayah Sumatera Selatan masih terbatas pada olahan buah kelapa saja sebagai bahan baku pembuatan minyak kelapa dan kebutuhan rumah tangga. Tempurung kelapa sebagai limbah pertanian, jika diolah dengan baik maka akan menjadi sumber nafkah, karena tempurung kelapa memiliki potensi yang baik untuk digunakan sebagai bahan baku industri, salah satunya asap cair (liquefied smoke). Penelitian tentang pembuatan dan pemanfaatan asap cair (liquefied smoke) telah banyak dilakukan sebelumnya namun memiliki banyak kelemahan, diantaranya kurang efektif dan efisien, biaya produksi yang mahal serta sulit pengoperasiaannya. Oleh karena itu, dalam penelitian ini diusulkan pembuatan alat pembuat asap cair yang lebih sederhana, murah dan efisien dengan pengaturan tekanan udara panas mengunaakan teknik modifikasi gate valve. Alat pembuat asap cair yang telah dimodifikasi telah diuji coba dan mampu meningkatkan hasil produksi asap cair 59,3 % pada suhu 2000 C. 
Irrigation Management Strategy for Rice–Fish Farming as a Conflict Resolution between Farmers and Pond Owners in Kelingi Tugumulyo Gunawan, Hendra; Rejo, Amin; Adam, Muhammad; Alfitri, Alfitri
Jurnal Pemerintahan dan Politik Lokal Vol 7 No 2 (2025): JGLP, NOVEMBER 2025
Publisher : Universitas Pancasakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47650/jglp.v7i2.2286

Abstract

Management of Water Resources in irrigation areas is a vital aspect in supporting food security and community welfare. The Kelingi Tugumulyo Irrigation Area, located in Musi Rawas Regency and Lubuk Linggau City, is one of the important irrigation areas in South Sumatra. This area serves not only as a rice production center, but also as a location for the development of heavy-water pond fish farming. However, differences in interests between rice farmers and fish farmers often trigger water use conflicts. This study aims to identify the dynamics of water use conflicts, assess the role of local institutions, and formulate sustainable policy solutions. The method used is a descriptive qualitative approach with the support of quantitative data from BPS, BBWs Sumatra VIII, and field surveys. The results showed that the conflict was triggered by imbalances in water distribution, weak regulation, low compliance with water utilization permits, and institutional helplessness of farmers (P3A). The impact of the conflict is a decrease in rice harvest area, land conversion to non-rice sector, as well as socio-economic inequality among water user groups. This study recommends strengthening regulation, revitalization of P3A/GP3A institutions, integration of cropping patterns and fish farming, as well as the application of water-efficient irrigation technology.
Co-Authors Abdul Rahman Adhiguna, Rizky Tirta Afrizal Vachlepi, Afrizal Alfitri Alfitri Andika, Eva Juniar Andries Lionardo, Andries Aulia, Nurul Izzah Azizah Husin Basuni Hamzah Dadang Hikmah Purnama, Dadang Hikmah Daniel Saputra Destri, Erin Dwi Budi Santoso Edward Saleh Endo Argo Kuncoro Febrida, Cely Gatot Priyanto Gumay, Muhammad Hendri Handoko, Widi Haryani, Fatria Resti Hasbi Haskari, Farry Apriliano HENDRA GUNAWAN B11211055 hersyamsi hersyamsi Indra Gunawan Iskandar, K.H. Laila Hanum Muhammad Adam, Muhammad Nutayla, Nazula Prima, Fidel Harmanda Puspitahati Puspitahati - Rahmaniar ., Rahmaniar Rahmaniar Rahmaniar, Rahmaniar Railia Karneta Railia Karneta Railia Karneta Rindit Pambayun Rindit Pambayun Rindit Pambayun Robbani, Syifa Saputri, Dellah Tian Setyaaji, Primayoga Harsana Syapoetri, Dessy Tamaria Panggabean Triana, Arjuna Neni Wahab, harsyamsi Zainubbi, Zainubbi Zuhir, Mada Apriandi Zulyanti, Afriyani