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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 Dinasti International Journal of Education Management and Social Science PUBLIKASI PENELITIAN TERAPAN DAN KEBIJAKAN Edible : Jedb SRIWIJAYA JOURNAL OF ENVIRONMENT Jurnal Polimesin
Amin Rejo
Universitas Sriwijaya
Agriculture, Biological Sciences & Forestry Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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PERUBAHAN NILAI GIZI PEMPEK LENJER SELAMA PEREBUSAN Railia Karneta; Amin Rejo; Gatot Priyanto; Rindit Pambayun
Publikasi Penelitian Terapan dan Kebijakan Vol 7 No 2 (2013): Jurnal Pembangunan Manusia
Publisher : Badan Penelitian dan Pengembangan Daerah Provinsi Sumatera Selatan

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Abstract

Pemasakan pempek lenjer dilakukan dengan cara perebusan, yang bertujuan agar tepung tapioka (pati) mengalami proses gelatinisasi, sehingga granula pati mengembang dan protein terdenaturasi. Lama dan tingginya suhu pada proses perebusan pempek harus dikendalikan karena mempengaruhi nilai gizi pempek. Tujuan penelitian ini untuk melihat pengaruh formula dan suhu pada titik pusat terhadap perubahan nilai gizi pempek lenjer selama perebusan. Perlakuan dengan empat taraf formula adonan dan lima taraf perlakuan suhu. Hasil penelitian menunjukkan bahwa semakin tinggi penambahan tepung tapioka, maka kadar air, kadar protein, kadar lemak dan kadar abu semakin turun, tetapi kadar karbohidrat dan kadar serat semakin tinggi. Kadar air tertinggi pada suhu di titik pusat pempek 950C, kadar protein, kadar lemak, kadar karbohidrat, kadar abu, dan kadar serat tertinggi pada suhu di titik pusat pempek 750C.
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

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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
Maritime Defence Empowerment in the Development of Fishermen's Communities in Sungsang Waters, Banyuasin Regency, South Sumatra Zainubbi, Zainubbi; Rejo, Amin; Lionardo, Andries; Gumay, Muhammad Hendri
Dinasti International Journal of Education Management And Social Science Vol. 5 No. 4 (2024): Dinasti International Journal of Education Management and Social Science (April
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31933/dijemss.v5i4.2465

Abstract

According to Republic of Indonesia Law No. 34 of 2004 addressing the INAF, the duties of the Indonesian Navy are outlined in Article 9 paragraph (e): to implement Dawilhanla. Dawilhanla is the empowerment of coastal communities through Binpotmar, which is implemented by Lantamal III/JKT in Banyuasin regency, South Sumatra, coastal areas represented by Bungakarang Village, Tanjung Lago regency, Marga Sungsang, Sungsang I-IV, Pili Village, Banyuasin II regency. The purpose of organizing the Empowerment of Maritime Defense areas is: in the perspective of Hanneg's interests is to prepare maritime defense areas and support forces as early as possible to win the conflict. From a community perspective, it aims to assist in overcoming community challenges and improving the welfare of maritime communities. The purpose of this research is to analyze Lantamal/JKT's strategy for empowering marine defense areas to improve the welfare of fishing communities in Banyuasin regency, South Sumatra, as well as to develop a model of this strategy. The research employed a qualitative research approach. Data was collected from designated informants and analyzed using qualitative techniques. The findings of research on coastal community empowerment are limited by only providing assistance to fishermen, which is not optimal considering the limited budget. Synergy between agencies is not implemented in a sustainable manner that meets the needs of the fishing community. The conclusion of the implementation of the coastal community empowerment strategy to increase the income of coastal communities/fishermen in Banyuasin Regency, South Sumatra Province, was not successful.
Model of Drug Abuse Prevention in Swampland Rahman, Abdul; Rejo, Amin; Purnama, Dadang Hikmah; Zuhir, Mada Apriandi
Dinasti International Journal of Education Management And Social Science Vol. 5 No. 5 (2024): Dinasti International Journal of Education Management and Social Science (June
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijemss.v5i5.2925

Abstract

In Indonesia, swamplands are spread across several regions, one of which is Palembang City, which has the highest level of drug abuse cases among districts/cities in South Sumatra Province. In order to tackle this problem, a special approach is needed that takes into account the geographical and socio-economic conditions in swamplands. This study aims to analyze drug abuse prevention programs in Palembang City and develop an effective drug abuse prevention model in particular swamplands. This research used qualitative methods with triangulation techniques to gain an in-depth and comprehensive understanding of the drug abuse program in Palembang City's swamplands. Informants in this study included three groups: drug abusers, stakeholders, and the community. A drug abuse prevention model in swampland must take into account the unique conditions of the area, such as limited accessibility and possibly low levels of community welfare. Effective approaches include improving access to education and health services, economic empowerment through local programs, and active community involvement in prevention efforts. In addition, these strategies need to be tailored to the demographic and socioeconomic characteristics of the local population to ensure the success and sustainability of prevention programs.
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.
Co-Authors Abdul Rahman Adhiguna, Rizky Tirta Afrizal Vachlepi, Afrizal Andika, Eva Juniar Andries Lionardo, Andries Azizah Husin Basuni Hamzah Dadang Hikmah Purnama, Dadang Hikmah Daniel Saputra Destri, Erin Dwi Budi Santoso Febrida, Cely Gatot Priyanto Gumay, Muhammad Hendri Handoko, Widi Hasbi Hasbi Haskari, Farry Apriliano Indra Gunawan Laila Hanum Puspitahati Rahmaniar ., Rahmaniar Rahmaniar Rahmaniar, Rahmaniar Railia Karneta Railia Karneta Railia Karneta Rindit Pambayun Rindit Pambayun Rindit Pambayun Robbani, Syifa Syapoetri, Dessy Tamaria Panggabean Wahab, harsyamsi Zainubbi, Zainubbi Zuhir, Mada Apriandi Zulyanti, Afriyani