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A Rahman
Universitas Sriwijaya
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences

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Perbandingan Akurasi Sensor Flow Meter Dan Load Cell Pada Proses Pengisian Botol Air ardiansyah, afif burhan; lutfi, iskandar; Rahman, A
Jurnal Profesi Insinyur Universitas Lampung Vol. 6 No. 1S1 (2025)
Publisher : Fakultas Teknik Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpi.v6n2.179

Abstract

Abstrak. Akurasi dalam sistem pengisian cairan merupakan aspek krusial dalam berbagai industri seperti minuman dan farmasi. Penelitian ini bertujuan untuk membandingkan akurasi sensor flowmeter YF-S401 dan sensor load cell HX711 pada sistem pengisian botol berbasis mikrokontroler ESP32. Sistem dirancang untuk membaca volume cairan menggunakan dua metode, yaitu berbasis aliran dan berbasis berat, yang ditampilkan secara real-time pada LCD I2C. Pengujian dilakukan pada dua target volume, yaitu 500 mL dan 1000 mL, masing-masing sebanyak lima kali. Hasil menunjukkan bahwa sensor load cell memiliki akurasi lebih tinggi, dengan rata-rata error sebesar 2,92% pada 500 mL dan 1,85% pada 1000 mL. Sementara itu, sensor flowmeter mencatat error sebesar 35,49% dan 22,26%. Dengan demikian, sensor load cell lebih direkomendasikan untuk aplikasi pengisian cairan dengan kebutuhan akurasi tinggi, khususnya pada volume kecil.
RESPON PETANI TERHADAP PENGENALAN TEKNOLOGI DAN MANAJEMEN PABRIK KELAPA SAWIT MINI Rahman, A; Ningsih, Rozaina; Fauzia, Gina; Effran, Endy
Jurnal Ilmiah Sosio-Ekonomika Bisnis Vol 26 No 02 (2023): Bahasa Inggris
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiseb.v26i02.27022

Abstract

This research is based on the theory of farm household economics developed by Nakajima, modified by incorporating Miller’s concept of household investment. The aim of this study is to determine whether the Nucleus Estate Smallholder (PIR) Project has succeeded in developing farmers’ ability to invest at the household level. The research was conducted in the Sungai Bahar area, involving 100 independent smallholder respondents from the former oil palm PIR project. The collected data were processed descriptively. The findings show that during the middle period up to about two-thirds of the planting cycle, oil palm cultivation with a land area of 2 hectares still generates a surplus between revenue and costs, enabling farmers to make investments. However, after passing that period—entering the final stage of the planting cycle—there is an indication that 2-hectare oil palm farmers are no longer able to set aside income for replanting or other investments. Independent oil palm smallholders from the ex-PIR project who have successfully made investments are proven to be more resilient in maintaining oil palm plantations that have not yet been replanted, due to the availability of alternative sources of income. The findings of this study suggest that in the last phase of the planting cycle, when production decreases and maintenance expenses remain high, smallholder farmers do not have enough cash to replant. This highlights the need for state support (subsidies, soft loans, and revitalization initiatives) to keep smallholder farmers from becoming locked in a cycle of old, unproductive plantations. Furthermore, farmer empowerment programs should include household economic diversification, not simply palm oil output.
Penyuluhan Teknik Budidaya Ikan Menggunakan Keramba Jaring Apung di Danau Lebo Kabupaten Sumbawa Barat Abidin, Zaenal; Affandi, Rangga Idris; Scabra, Andre Rachmat; Cokrowati, Nunik; Auliah, Jami'atul; Rahman, A; Diniariwisan, Damai; Sumsanto, Muhammad; Rahmadani, Thoy Batun Citra; Ayu Diamahesa, Wastu
Jurnal Pengabdian Magister Pendidikan IPA Vol 6 No 4 (2023): Oktober-Desember 2023
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v6i4.5713

Abstract

Kegiatan pengabdian ini dilakukan dengan menggunakan metode penyuluhan yang disertai dengan demonstrasi. Kegiatan diikuti oleh 42 orang peserta yang berasal dari daerah di sekitar danau Lebo Meraran. Kegiatan penyuluhan dan demonstrasi dilakukan di daerah pinggir danau. Materi penyuluhan yang disampaikan adalah tentang teknik pembuatan keramba, dan teknik budidaya di keramba jaring apung. Sebagai bahan demonstrasi maka disediakan miniatur keramba jaring apung yang dibuat dengan skala sebenarnya untuk ditampilkan pada saat kegiatan berlangsung. Para peserta sangat antusias untuk mengikuti kegiatan ini yang dibuktikan dengan keaktifan para peserta untuk berdiskusi secara terarah tentang topik yang disampaikan oleh pemateri. Hasil dari evaluasi yang dilakukan melalui tes tanya jawab secara langsung diketahui bahwa para peserta dapat mengerti tentang materi yang disampaikan serta berkeinginan untuk mengimplementasikan kegiatan budidaya ikan di keramba.
ANALISIS EFISIENSI USAHATANI PADI SAWAH PADA KONDISI IRIGASI SEMI TEKNIS DI KABUPATEN MERANGIN Hutahaean, Juber Sudarmono; Alamsyah, Zulkifli; rahman, a
Jurnal Ilmiah Sosio-Ekonomika Bisnis Vol 16 No 1 (2013): Jurnal Ilmiah Sosio-Ekonomika Bisnis
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (645.664 KB) | DOI: 10.22437/jiseb.v16i1.2769

Abstract

Penelitian ini merupakan penelitian survey yang bertujuan untuk mengetahui  efisiensi ekonomi dan kombinasi optimal penggunaan  faktor produksi pada usahatani padi sawah pada kondisi irigasi semi teknispada musim tanam tahun 2012 di Kabupaten Merangin. Penelitian ini dilakukan mulai dari bulan September sampai bulan Oktober 2012. Data diperoleh dari 30 orang petani per kondisi irigasi semi teknis . Data diolah dan dianalisis dengan metode fungsi produksi Cobb Douglas. Dari hasil analisis efisiensi ekonomi pada irigasi semi teknis rata – rata efisiensi harga/alokatif sebesar 1,873, rata – rata efisiensi teknik sebesar 0,66, dan efisiensi ekonomi sebesar 1,237. Secara keseluruhan faktor produksi yang belum efisien secara ekonomi dan perlu ditambah penggunaanya pada irigasi semi teknis adalahfaktorbenih, pupuk urea, dan pupuk TSP. Sedangkan faktor produksi yang tidak efisien adalah lahan, tenaga kerja dan pupuk KCl yang berarti perlu pengurangan penggunaan faktor produksi tersebut.Secara ekonomi dengan harga input dan produksi yang konstan, maka kombinasi penggunaan faktor produksi yang optimal yang dapat memberikan keuntungan maksimum dengan produksi yang optimum pada irigasi semi teknis produksi diproyeksikan sebesar 3684,76 kg/ha dengan keuntungan maksimum sebesar Rp. 3.251.560,93/ha.   Kata kunci : Efisiensi, Irigasi, Padi .
Penilaian Kinerja Karyawan Untuk Promosi Jabatan Pada Pt Kreasijaya Adhikarya Dumai (Studi Kasus: PT Kreasijaya Adhikarya) Rahmi, Hanifatul; Yusrizal, Yusrizal; Rahman, A
Jurnal ARTI (Aplikasi Rancangan Teknik Industri) Vol. 16 No. 1 (2021): Jurnal ARTI: Aplikasi Rancangan Teknik Industri
Publisher : Sekolah Tinggi Teknologi Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Memotivasi karyawan agar selalu mengembangkan kinerjanya, perlu diberikan reward. Salah satu bentuk penghargaan bagi karyawan tersebut adalah dengan menyelenggarakan promosi jabatan. Sehubungan dengan itu PT Kreasijaya Adhikarya Dumai memberikan perhatian untuk penilaian kinerja karyawan yang dilakukan rutin setiap tahun. PT Kreasijaya Adhikarya Dumai mempunyai karyawan sebanyak 116 orang yang terdiri dari 6 manager, 6 executive, 21 supervisor, 40 senior operator, 37 operator dan 6 junior operator tahun 2020. Penilaian kinerja karyawan ini akan menggunakan Metode Simple Additive Weighting, yang merupakan salah satu metode pengambilan keputusan untuk menetapkan alternatif terbaik dari kriteria yang sudah ditentukan. Adapun kriteria yang di pakai adalah prestasi kerja karyawan, kompetensi karyawan, dan promosi jabatan. Hasil yang diperoleh dari perhitungan yang sudah dilakukan, yaitu A1= 96,95 sebagai alternatif karyawan dengan nilai terbesar. Dengan kata lain, V1 akan terpilih sebagai karyawan yang akan dipromosikan untuk mendapatkan jabatan di PT Kreasijaya Adhikarya Dumai. Kesimpulannya adalah dengan menggunakan sistem ini dapat mempermudah pihak manajemen dalam menilai kinerja karyawan berdasarkan kriteria yang telah ditentukan, dan dapat dikembangkan dengan metode yang berbeda.
IDENTIFIKASI FAKTOR PENENTU BESARAN INDEKS “K” DAN KEBIJAKAN PENETAPAN HARGA TBS KELAPA SAWIT POLA KEMITRAAN DI KABUPATEN MUARO JAMBI Rahman, A; Malik, Adlaida; Siata, Ratnawati
JALOW | Journal of Agribusiness and Local Wisdom Vol. 1 No. 2 (2018): Journal of Agribusiness and Local Wisdom
Publisher : Program Studi Agribisnis bekerja sama dengan PERHEPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (205.522 KB) | DOI: 10.22437/jalow.v1i1.5450

Abstract

Penelitian ini bertujuan untuk mengidentifikasi faktor penentu besaran Indeks K dimana nilai Indeks K ini digunakan untuk penetapan harga Tandan Buah Segar kelapa sawit (TBS) yang dipedomi oleh perusahaan pabrik kelapa sawit dan petani. Analisis regresi dilakukan terhadap data historis bulanan dari tahun 2001 sampai 2012 yang bersumber dari data penetapan harga TBS di Dinas Perkebunan Provinsi Jambi. Dengan tingkat kesesuaian model (R2) sebesar 41.9, pengujian hipotesis pengaruh biaya pengolahan TBS menjadi Crude Palm Oil (CPO) dan minyak Inti Sawit (Palm Kernel Oil), biaya pemasaran, biaya penyusutan dan biaya operasional tidak langsung terhadap besaran indek K menunjukkan bahwa, harga biaya tidak langsung yang berpengaruh nyata terhadap besaran nilai Indeks K, sementara variabel lainnya berpengaruh negatif tetapi tidak nyata dengan tingkat kepercayaan 10 persen. Kebijakan Pabrik Kelapa Sawit (PKS) dalam pembelian TBS menunjukkan bahwa PKS dengan Pola PIR Trans plus KKPA menetapkan harga di bawah harga ketetapan, sementara PKS pada pola PIR menetapkan harga di bawah harga ketetapan. Dari hasil penelitian juga ditemukan bahwa perusahaan yang mengelola kebun dengan pola KKPA menetapkan harga beli sesuai dengan ketetapan Tim Penetapan Harga TBS.
ANALISIS PEMASARAN CASSIAVERA DENGAN PENDEKATAN STRUCTURE, CONDUCT DAN PERFORMANCE (SCP) DI KABUPATEN KERINCI Hardiyanti, Wika; Wahyuni, Ira; Rahman, A
JALOW | Journal of Agribusiness and Local Wisdom Vol. 3 No. 2 (2020): Journal Agribusiness and Local Wisdom
Publisher : Program Studi Agribisnis bekerja sama dengan PERHEPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jalow.v3i2.11618

Abstract

ABSTRACT Product information dissemination (3) Marketing costs in marketing channel I of Rp.340.80/kg, on marketing channel II in the amount of Rp. 303.13/kg and in marketi This study aims to (1) Describe cassiavera marketing channels in Kerinci Regency, (2) Analyze the structure, behavior and market performance of cassiavera in Kerinci Regency, (3) Analyze cassiavera marketing efficiency in Kerinci Regency. The study was conducted in Kerinci Regency with a total of 30 respondents. Marketing Channel Description is done by describing several marketing channels. Market Structure Analysis is used with several indicators, namely the number of sellers and buyers, barriers to market entry, the nature of the product, market information. Marketing efficiency analysis is done by analyzing market performance through marketing margins, farmer's share, and profit ratios. The results showed that (1) There were Cassiavera three marketing channels in Kerinci Regency, channel I (Farmer-PPD-PPKec-PPKab-Exporter Company), marketing channel II (Farmer-PPkec-PPKab-Exporter Company), marketing channel III (Farmer-PPKab-Exporter Company), (2) Market Structure leads to oligopic markets, homogeneous product characteristics, high market entry barriers and non-transparent ng channel III Rp. 469.66/kg. Marketing Margin Calculation in each channel shows that the biggest marketing margin in marketing channel III is Rp 1,500.00/kg, in marketing channel I is Rp.1,045.50/kg and in marketing channel III is Rp.1000.00/kg . The profit/cost ratio obtained in marketing channel I was 2.18%, in marketing channel II the profit/cost ratio was 2.23% and the profit/cost ratio in channel III was 2.19%. Farmer's Share in marketing channel I was IDR 67.36%, in marketing channel II was 68.25% and in marketing channel III was 66.15%. From all marketing channels, it is found that marketing channel II is an efficient cassiavera marketing channel.
PENENTUAN KOMODITAS UNGGULAN SUB SEKTOR HORTIKULTUTA DI KABUPATEN MUARO JAMBI Sadikin, Sadikin; Edison, Edison; Rahman, A
JALOW | Journal of Agribusiness and Local Wisdom Vol. 4 No. 2 (2021): Journal Agribusiness and Local Wisdom
Publisher : Program Studi Agribisnis bekerja sama dengan PERHEPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jalow.v4i2.16492

Abstract

The research aims to: (1) determine the commodity horticulture sub-sector of seasonally and superior / base and non-superior / non-base annual and vegetable types in Muaro Jambi Regency during 2014 to 2018; (2) knowing the commodity horticulture sub-sector annual and annual vegetable and fruit types that have fast growth and good competitiveness in Muaro Jambi Regency from 2014 to 2018. Data used secondary data from 2014 to 2018. Analysis tools used in this research are Location Quotient (LQ) and Shift Share. The results of the study inform that (1). Commodities of seasoned vegetables and fruits are long beans, eggplant, beans, cucumbers, spinach and watermelons, which are not superior / non-base are Chinese cabbage / mustard greens, large chillies, cayenne pepper, tomatoes and kale. Commodities of types of vegetables and fruits of superior / base year are duku and pineapple, which are not superior / non-base are durian, siam oranges, mango, jackfruit, papaya, banana, rambutan and sapodilla (2). Types of vegetables and fruits that have a fast growth are Chinese cabbage, long beans, cayenne pepper, eggplant, green beans, cucumber, kale, spinach. Types of vegetables and annual fruits that have fast growth are duku, durian, tangerine, mango, jackfruit, papaya, banana, rambutan, sapodilla. Types of vegetables and annual fruits that have competitiveness are long beans, large chili, cayenne pepper, watermelon. Types of vegetables and annual fruits that have competitiveness are duku, durian, jackfruit, rambutan.
Analisis Faktor – Faktor Yang Mempengaruhi Produksi Kedelai Di Kabupaten Tebo Provinsi Jambi Production Factors Budiyarto, Eko; Napitupulu, DMT; Rahman, A
JALOW | Journal of Agribusiness and Local Wisdom Vol. 5 No. 2 (2022): Journal Agribusiness and Local Wisdom
Publisher : Program Studi Agribisnis bekerja sama dengan PERHEPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jalow.v5i2.23104

Abstract

the center of soybean production in Jambi Province. Data was collected through filling out questionnaires with the survey method. A sample of 70 farmers was determined through stratified random sampling. The data were analyzed using multiple regression method, so the analysis used refers to the formulation of the research objectives. The production function model used is Cobb Douglas. The data obtained were analyzed and regressed to find out how much the independent variables (land area, number of seeds, NPK fertilizer, organic fertilizer, pesticides, rhizobium and labor) affected soybean production as the dependent variable. The average land area for soybean farming in the study area is 2.40 ha. The seeds used are certified superior seeds of the Anjasmoro variety with a planting age of 80-90 days. Based on the results of the study, the average use of production factors in soybean farming at the research location was the use of 43.98 kg/ha of seeds, 216.12 g/ha rhizobium, 54.91 kg/ha NPK, 2.75 l/ha organic fertilizers. ha, pesticides 2.10 liters/ha, labor 19.92 HOK/ha. The average production at the research site is 3.595 tons with an average productivity of 1.53 tons/ha. Soybean cultivation by farmers aims to benefit from the sale of crops. The cropping pattern used is a monoculture cropping pattern with a spacing of 50-60 cm. Based on the regression results of soybean farming in the research area, the use of production factors of land area, number of seeds, NPK fertilizer, rhizobium and pesticides are factors that affect soybean production in Tebo Regency. Meanwhile, organic fertilizer and labor have no effect on soybean farming production in Tebo Regency.
Biaya Peremajaan Kelapa Sawit Rakyat Dari Berbagai Sumber Dana Di Kecamatan Sungai Bahar Kabupaten Muaro Jambi Sri Rahayu, Agustini; HD, Ernawati; Rahman, A
JALOW | Journal of Agribusiness and Local Wisdom Vol. 5 No. 2 (2022): Journal Agribusiness and Local Wisdom
Publisher : Program Studi Agribisnis bekerja sama dengan PERHEPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jalow.v5i2.23110

Abstract

Muaro Jambi Regency is one of the district's oil palm production centers in Jambi Province. Oil palm production decreases every year due to the presence of old oil palm plantations and one of the efforts to increase oil palm production is oil palm rejuvenation. This study aims to describe the implementation and costs of oil palm rejuvenation from various funding sources in the research area, and to analyze the differences in the costs of oil palm rejuvenation from various funding sources. The method of analysis in this study is descriptive analysis and the analysis of the Z-test Difference Test. The results of this study indicate that there is a difference between the two costs of oil palm rejuvenation, a decision is obtained that significantly: (a) The cost of oil palm rejuvenation from conventional BPDPKS funding sources is higher than Mandiri underplanting techniques. The value of Asymp.sig (2 tailed) is 0.000 < = 5% 0.05 and the value of z-count > z-table (6,339 > 0.999) so that a decision to reject H0 is obtained; (b) The cost of oil palm rejuvenation from conventional technical BPDPKS funding sources is higher than conventional technical BI funding sources. The value of Asymp.sig (2 tailed) is 0.005 < = 5% 0.05 and the value of z-count > z-table (2.785 > 0.997) so that a decision to reject H0 is obtained; (c) The cost of oil palm rejuvenation from conventional technical BPDPKS funding sources is higher than conventional technical technical APBN sources. The value of Asymp.sig (2 tailed) is 0.000 < = 5% 0.05 and the value of z-count > z-table (3.989 > 0.999) so that a decision to reject H0 is obtained.
Co-Authors A Wahab Abuamat HAK Adlaida Malik, Adlaida Amperawan Andre Rachmat Scabra Ardhiyan Saputra, Ardhiyan ardiansyah, afif burhan Auliah, Jami'atul Ayu Diamahesa, Wastu Budiyarto, Eko Diniariwisan, Damai Edison Edison Emy Kernalis, Emy Endy Effran Fauzia, Gina freisha arlind, freisha Galea, Nanda Hardiyanti, Wika Harry Marhayadhy, Harry HD, Ernawati Juber Sudarmono Hutahaean, Juber Sudarmono Karisma, Yana Latifah Husni , Nyayu Lutfi, Iskandar M Taufik mega puspita Muhammad Sumsanto Napitupulu, DMT Nidya Fitri Nunik Cokrowati Nur Aziz, Arman Nyayu Latifah Husni, Nyayu Latifah Patra Jaya Rahmadani, Thoy Batun Citra Rahmi, Hanifatul Rangga Idris Affandi Ratnawati Siata, Ratnawati Renny Maulidda, Renny Rozaina Ningsih, Rozaina S H Hidayat Sadikin, Sadikin Somakim, Somakim Sri Rahayu, Agustini Ubaidillah Anwar Prabu Umar Umar Wenny Herlina Yusrizal Yusrizal Zaenal Abidin Zakiah Zakiah Zakiah Zulkardi Zulkardi Zulkifli Alamsyah