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Fajar Restuhadi
Fakultas Pertanian Universitas Riau Pekanbaru
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Simulations of the Crude Oil Tank Refurbishment Project Risks Using Monte Carlo Ari Sandhyavitri; Arvin Arvin; Fajar Restuhadi
Journal of Applied Materials and Technology Vol. 3 No. 1 (2021): September 2021
Publisher : AMTS and Faculty of Engineering - Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/Jamt.3.1.22-29

Abstract

Simulation technology has assisted project stakeholders in predicting a range of the project results in the future under risks and uncertainties. The objectives of this article are to improve a comprehensive project planning in the perspective of the project scheduling by conducting simulations for the refurbishment of crude oil tank project risks using Monte Carlo simulations. The practical approaches for simulating the risks encompassed 3 stages: risk identification, assessment, and risk analysis using the Monte Carlo simulations. The implementation of Monte Carlo simulation in the form of stochastic approach however were not new, but the application of these approaches in the area of oil industrial projects was challenging. A Free Water Knock-Out (FWKO) tank project located in Duri, Indonesia was taken as a case study. The initial FWKO project duration was set up to be 180 working days, and it was delayed (up to 140% from the initial duration of the project planning). This study conducted deep questioner surveys from 25 oil industry stakeholders. It was identified 29 risk factors have been considered as the major causes of the project delay. The risk factors were then calculated qualitatively for performing risk indexes. Based on the risk simulations (after 1000 iterations) using Monte Carlo simulations utilizing @risk application package (under uncertainties) there was found that the possibility of this project would experience delays at the range of 47 days (126%) to 80 days (144%) from the initial project planning. This simulation had also identified the most sensitive activities causing project delays. The results was presented in the form of the spider graph diagram which assisted the project main stakeholders in developing a strategic decision during project planning phase.
ANALISIS PEMETAAN PENILAIAN RESPONDEN TERHADAP ATRIBUT VIDEO PENYULUHAN KOMODITAS CABAI DI DESA TITIAN RESAK KECAMATAN SEBERIDA KABUPATEN INDRAGIRI HULU Febrina Ayuningtyas; Fajar Restuhadi; Deby Kurnia
SEPA: Jurnal Sosial Ekonomi Pertanian dan Agribisnis Vol 16, No 1 (2019): SEPTEMBER
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (274.093 KB) | DOI: 10.20961/sepa.v16i1.31850

Abstract

This research aims to identify the level of farmers ‘interest in 8 types of chili commodity extension videos, as well as identifying and analyzing attributes that affect the appeal of extension videos. The research was conducted in the village of Titian Resak, with consideration of the village is one of the villages that has many farmers and has an active farmers group. The samples in this research were 100 novice and advanced farmers and 12 people in multimedia, extension and communication. This research is a social experiment research by assessing 8 videos about chili cultivation. Sensory analysis is hedonic testing and descriptive testing. Cluster analysis (AHC) of the hedonic test and the PCA analysis of the descriptive test are further analyzed using the preference mapping technique. The results of the research showed the sensory data analysis sourced from the panelists positioning the number 8 video to be a video extension of chili commodities with the highest favorite level of 86% with the average cluster rating of 6.53 (very fond) and has characteristic of the story, transition, audio, narrative, sound effect, back sound, movie, visual, color and duration. The results of this research are as a reference material in aligning relationships 
FAKTOR-FAKTOR YANG MEMPENGARUHI PERILAKU PETANI DALAM MENERIMA OPERASI PANGAN RIAU MAKMUR DI SEMBILAN KABUPATEN SE-PROVINSI RIAU Nuke Fatmasari; Fajar Restuhadi; Roza Yulida
SEPA: Jurnal Sosial Ekonomi Pertanian dan Agribisnis Vol 12, No 1 (2015): SEPTEMBER
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/sepa.v12i1.14196

Abstract

The  concept  of  the  factors  that  influence  the  behavior  of  farmers  in receiving  Operasi  Pangan  Riau  Makmur  program  (OPRM)  needs  to  be  done  to determine the most significant effect on the program’s accepting. The designing of a model before the implementation of a program, is expected to minimize the unusable things in reality. Modeling analysis SEM (structural equation model) which is used in behavior  of  farmer’s  research  designed  so  as  to  find  a  suitable  model.  Three exogenous variables used in this research, the characteristics of farmers, extension of competence,  and  competence  of  the  management  of  farmer  groups.  Each  of  these exogenous variables formed by eight indicators, so it is could explain that the skills, systematic program delivery, mastery of the program, and time management, are not included  in  the  indicator  models  that  is  affecting  the  behavior  of  fa rmers  as endogenous  variables,  to  accept  or  deny  the  existence  of  the  program.  Farmer behavior  is  further  analyzed  the  suitability  of  the  model  with  the  independence  of farmers. Suitability models were constructed and analyzed is expected to be used by the government or related agencies, before involving the farmers as participants.
ANALISIS TATANIAGA KOPRA PUTIH DI KABUPATEN INDRAGIRI HILIR Rano; Djaimi Bakce; Fajar Restuhadi
JURNAL AGRIBISNIS Vol. 11 No. 1 (2022): Jurnal Agribisnis
Publisher : Program Studi Agribisnis, Fakultas Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32520/agribisnis.v11i1.1793

Abstract

Kabupaten Indragiri Hilir merupakan salah satu wilayah yang memiliki hamparan kelapa terluas di Provinsi Riau, salah satu produk turunan kelapa yang dihasilkan adalah kopra putih. Efisiensi pemasaran kopra putih tergantung pada rantai lembaga tataniaganya serta jumlah pelaku yang terlibat dalam masing-masing rantai tataniaga. Penelitian ini bertujuan untuk 1) Mengetahui saluran pemasaran kopra putih di Kabupaten Indragiri Hilir 2) Mengetahui efisiensi pemasaran kopra putih. Metode pengambilan sampel dalam penelitian ini menggunakan metode Accidental Sampling dan untuk pedangang menggunakan metode sensus. Hasil penelitian menunjukan bahwa(1)Terdapat tiga saluran pemasaran kopra putih di Kabupaten Indragiri Hilir (2) Efisiensi pemasaran kopra putih pada saluran pertama untuk kopra putih grade A sebesar 18 persen, grade B sebesar 21 persen, tingkat efisiensi pada saluran ke dua untuk kopra putih grade A 19 persen, grade B sebesar 22 persen, sendangkan tingkat efisiensi pada saluran tiga untuk grade C sebesar 1 persen, sehingga saluran ketiga lebih efisien dibandingkan saluran pertama dan kedua. Indragiri Hilir Regency is one of the areas that has the widest expanse of coconut in Riau Province, one of the coconut derivative products produced is white copra.EfisThe marketing efficiency of white copra depends on the chain of trading institutions and the number of actors involved in the mass productionieach tatania chainga.This study aims to 1) Knowing the marketing channels of white copra in Indragiri Hilir 2) Knowing the marketing efficiency of white copra. The sampling method in this study used the Accidental Sampling method and for traders using the census method. The results showed that (1) there were three marketing channels for white copra in Indragiri Hilir (2) The marketing efficiency of white copra in the first channel for grade A white copra was18 percent, grade B by 21 percent,efficiency level on the second line for grade A . white copra19 percent, grade B by 22 percent, while the efficiency level on channel three for grade C is 1 percent, so the third channel is more efficient than the first and second channels.
Analisis Bioekonomi Sumberdaya Ikan Baung di Perairan Umum Kabupaten Kampar Provinsi Riau Ulfa Rizki Pradini; Novia Dewi; Fajar Restuhadi
JURNAL AGRIBISNIS Vol. 10 No. 2 (2021): JURNAL AGRIBISNIS
Publisher : Program Studi Agribisnis, Fakultas Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32520/agribisnis.v10i2.1800

Abstract

Kabupaten Kampar memiliki potensi yang dapat dimanfaatkan yaitu salah satunya adalah kegiatan perikanan tangkap. Salah satu hasil tangkapan yang memiliki produksi tertinggi yaitu ikan baung. Kelestarian sumberdaya ikan baung akan terancam jika upaya pemanfaatan yang terus meningkat, dan tidak diupayakan langkah pengendalian. Tujuan dari penelitian adalah untuk menganalisis tingkat optimum pemanfaatan sumber daya perikanan tangkap ikan baung secara biologi dan ekonomi di perairan umum kabupaten Kampar. Penelitian ini dilaksanakan pada bulan Juli-Agustus 2020. Hasil penelitian menunjukkan produksi optimal (Copt) pada MSY sebesar 61.510 ton/tahun dengan effort optimum (Eopt) 116.764 unit/tahun dan rente ekonomi sebesar Rp2.353.594.693.969. Produksi optimal (Copt) pada MEY sebesar 61.489 ton/tahun dengan effort optimum (Eopt) 114.567 unit/tahun dan rente ekonomi sebesar Rp2.354.461.065.478. Kampar Regency has potential that can be exploited, one of which is capture fisheries activities. One of the catches that has the highest production is Baung Fish. The sustainability of fish resources will be threatened if the use of efforts continues to increase, if no control measures are taken. The purpose of this study was to analyze the optimum level of biological and economic utilization of baung fishery resources in the public waters of Kampar district. This research was conducted in July-August 2020. The results showed that the optimal production (Copt) at MSY was 61,510 ton / year with optimum effort (Eopt) of 116,764 unit / year and economic rent of IDR 2,353,594,693,969. Optimal production (Copt) in MEY is 61,489 ton / year with optimum effort (Eopt) of 114.567 unit / year and economic rent of IDR 2,354,461,065,478.
Perbaikan manajemen pakan dan pengolahan susu kambing PE di kelompok Peternak Muda Mandiri di Kabupaten Indragiri Hulu Riau Evy Rossi; Fajar Restuhadi; Akhmad Ibrahim R. S. Hasibuan
Unri Conference Series: Community Engagement Vol 2 (2020): Seminar Nasional Pemberdayaan Masyarakat
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/unricsce.2.464-470

Abstract

The objectives of community service were to) improve the ability of Etawah breed goat breeders (PE) in feed management and milking and b) increase the ability of farmers to innovate in developing the diversification of fresh milk into functional food. The method of implementation was carried out by extension and demonstration plots on feed management by utilizing palm leaves to be used as a complete feed ingredient formulated using other feed ingredients such as agricultural waste or other agricultural industries.Based on observations during the demonstration plot it was compared with PE goats that were kept semi-intensively on the average level of ration consumption and body weight gain per day. The average body weight gain of PE goats receiving a complete ration in the form of pellets (615.50 g / head / day) is higher than the consumption rate of livestock (566.50 g / head / day) which were kept by breeders semi-intensively. The body weight gain of the demonstration plot cattle was 193.50 g/head/ day which was higher than the body weight gain of PE goats kept by breeders (54.90 g/head/day). The introduction and practice of processing milk into functional food had been carried out by processing milk into fermented drinks in the form of yogurt and kefir and their derivative products. From this activity, it can be concluded that by improving feed management and meeting the needs of livestock, milk production can increase. The improvement of farmer science and technology had a positive impact on the orientation of raising PE goats not only for savings but also as a producer of milk which was economically very high in value.
Pengaplikasian teknologi simbiosis mutualisme mikroalga Chlorella sp. dan agrobost pada limbah cair sagu dengan scale up experiment Yelmira Zalfiatri; Fajar Restuhadi; Yossie Kharisma Dewi; Angga Pramana; Dewi Fortuna Ayu; Ahmad Ibrahim Roni Surya Hasibuan
Jurnal Litbang Industri Vol 12, No 1 (2022)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1034.401 KB) | DOI: 10.24960/jli.v12i1.7426.21-26

Abstract

Pengolahan air limbah secara biologis dilakukan dengan memanfaatkan simbiosis mutualisme antara mikroorganisme atau bakteri dekomposer dengan mikroalga. Penelitian ini bertujuan memperoleh perlakuan yang terbaik dari interaksi mikroalga Chlorella sp dengan bakeri dekomposer Agrobost pada peningkatan skala penelitian. Metode yang digunakan dalam penelitian berupa rancangan acak lengkap (RAL) dengan 5 perlakuan dan 3 ulangan. Penelitian ini menggunakan mikroalga 800 ml/L limbah cair sagu dengan 5 perlakuan Agrobost (0%, 2%, 4%, 6%, dan 8% v/v). Data yang diperoleh dianalisis secara statistik menggunakan ANOVA dan DNMRT pada tingkat 5%. Sidik ragam menunjukkan konsentrasi Agrobost memberikan pengaruh nyata pada COD, BOD, DO dan pH. Perlakuan yang dipilih dari hasil penelitian ini adalah perlakuan P4 yaitu penambahan Agrobost 8%, menunjukkan tingkat reduksi tertinggi yang memiliki nilai COD 203,3 mg/L, BOD 122,3 mg/L, DO 5,89 mg/L dan pH 9,03.
Pengaplikasian teknologi simbiosis mutualisme mikroalga Chlorella sp. dan agrobost pada limbah cair sagu dengan scale up experiment Yelmira Zalfiatri; Fajar Restuhadi; Yossie Kharisma Dewi; Angga Pramana; Dewi Fortuna Ayu; Ahmad Ibrahim Roni Surya Hasibuan
Jurnal Litbang Industri Vol 12, No 1 (2022)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24960/jli.v12i1.7426.21-26

Abstract

Pengolahan air limbah secara biologis dilakukan dengan memanfaatkan simbiosis mutualisme antara mikroorganisme atau bakteri dekomposer dengan mikroalga. Penelitian ini bertujuan memperoleh perlakuan yang terbaik dari interaksi mikroalga Chlorella sp dengan bakeri dekomposer Agrobost pada peningkatan skala penelitian. Metode yang digunakan dalam penelitian berupa rancangan acak lengkap (RAL) dengan 5 perlakuan dan 3 ulangan. Penelitian ini menggunakan mikroalga 800 ml/L limbah cair sagu dengan 5 perlakuan Agrobost (0%, 2%, 4%, 6%, dan 8% v/v). Data yang diperoleh dianalisis secara statistik menggunakan ANOVA dan DNMRT pada tingkat 5%. Sidik ragam menunjukkan konsentrasi Agrobost memberikan pengaruh nyata pada COD, BOD, DO dan pH. Perlakuan yang dipilih dari hasil penelitian ini adalah perlakuan P4 yaitu penambahan Agrobost 8%, menunjukkan tingkat reduksi tertinggi yang memiliki nilai COD 203,3 mg/L, BOD 122,3 mg/L, DO 5,89 mg/L dan pH 9,03.
Pemanfaatan Simbiosis Mikroorganisme B-DECO3 dan Mikroalga Chlorella sp untuk Menurunkan Pencemaran Limbah Cair Pabrik Kelapa Sawit Yelmira Zalfiatri; Fajar Restuhadi; Taufiq Maulana
Dinamika Lingkungan Indonesia Vol 4, No 1 (2017)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (199.17 KB) | DOI: 10.31258/dli.4.1.p.8-17

Abstract

The purpose of this research was to get the best treatment addition of microorganisms B-DECO3 as a reducing agent contamination of waste pollution palm factory with the addition of microalgae Chlorella sp. This research used a Completely Randomized Design (CRD)with 5 treatments and 3 replications. The treatment used against waste pollution palm factory was P0 (without addition of B-DECO3 microorganisms), P1 (addition 5ml/L of B-DECO3 microorganisms), P2 (addition 10 ml/L of B-DECO3 microorganisms), P3 (addition 15ml/L of B-DECO3 microorganisms), P4 (addition 20 ml/L of B-DECO3 microorganisms). The data obtained were analyzed statistically using Anova and DNMRT at 5 % level. The result showed that the addition of microorganism B-DECO3 had significant affect for COD, BOD, TSS, oil, and pH. The treatment chosen from the result of this research was the P4 treatment which had a value of COD (330,63 mg/L), BOD (94,53 mg/L), TSS (266,46 mg/L), Oil (2,50) and pH (8,64).
FAKTOR-FAKTOR YANG MEMPENGARUHI KINERJA PENYULUH PERTANIAN DAN DAMPAKNYA TERHADAP PRODUKSI PADI PETANI DI KABUPATEN SIAK Elka Roza; Rosnita Rosnita; Fajar Restuhadi
PEKBIS Vol 10, No 1 (2018)
Publisher : Program Studi Pendidikan Ekonomi Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (90.224 KB) | DOI: 10.31258/pekbis.10.1.1-11

Abstract

Performance of agricultural extension workers is the result of the work of extensionworkers in carrying out the tasks assigned to him. The aim of this research is toanalyze how big the influence of extension characteristic, extension role, extensioncompetence, and extension motivation to agricultural extension performance and toanalyze the impact of agricultural extension performance on paddy production inSiak Regency. Data analysis method used in this research is multiple regressionanalysis. The results of analysis indicate that the characteristics of extension, therole of extension, extension and extension motivation have influenced the extensionperformance level in Siak Regency. This indicates the agricultural extension hasbeen running well and functioning as expected. As well as the influence ofagricultural extension performance level on rice production shows the level ofperformance gives influence to paddy production seen from the implementation ofextension, evaluation and reporting. Meanwhile, the level of performance in thepreparation of extension has not affected rice production.
Co-Authors ', AKHYAR ALI ', Akhyarali ', Eliza ', FADRO ', Mukmin ', Rahmayuni ' ', RASWEN EFENDI ', RIGUAN EPENDI ', RIKO PAMORI Abid, Hussein Rasool Adi Ruslan Agung Setiawan Framadya Agus Ika Putra Ahmad Fadli Ahmad Ibrahim Ahmad Ibrahim Roni Surya Hasibuan Ahmad Rifai Ahmad Rifai Ahmad Rifai Akhmad Ibrahim R. S. Hasibuan Akhyar Ali AKHYAR ALI ' Akhyarali ' Alexander Hutagaol Alfi Mawaddah Almira Nugroho Amun Amri Andri Gunawan Purba Andriani, Yulia Andriyani Fadmi Angelia Angelia Angga Pramana Angga Pramana Angraini, Elisya Anjelia, Yuni Annisa Rahma Ari Sandhyavitri Arifudin Arifudin Arifudin Arifudin Arifudin arifudin Ariyanda Putra Arvin Arvin Azhar, Muhammad Rizwan Beltaser Tuahta Benhard F Situmorang BUNGA RIA YULIANA SIAHAAN Carles Pernando Cepriadi Chairul ' Ciary Jannah Mangkay Conni Simarmata, Conni Dahliyusmanto, Dahliyusmanto Debby Anggina Dede putra pranata Delvi Andika Derita Lamtiar Pasaribu Desi Heltina Desy Tri Artika Devinda Desi Indra Murti Dewi Fortuna Ayu Dewi, Yossie Kharisma Dian Martha Darman Dian Martha Darman Didi Muwardi Dini Aji Pringgondani Diyah Suriani Djaimi Bakce Djaimi Bakce Djaimi Bakce Dodi Saputra Dodi Saputra Duafrizal Joycorleon Manik Edo Saputra Eka Ramadhansyah Eliza ' Eliza Eliza Elka Roza Elsa Novitasari Elsyintia Dwi Putri Eri Sayamar Erick Gunawan Bahar Et, Elfa Azani Evy Maharani Fadel Al Barra FADLA B. SYARIF FADRO ' Faizah ' Hamzah Faizah Hamzah Faizah Hamzah Fajar Yuliandri Febrianto, Wegi Eko Febrina Ayuningtyas Febrizal Ujang Fitri Santi Fitri, Mozhalita Desta Gervilon Darvis Gustrinazul Hadi , Syaiful Hamidi, Muhammad Rasyid Hamzah, Farida Hanum Hanifaturrahmi Hanifaturrahmi Hartini, Fitri HARUN SIANTURI Hendri Winardo Ikhsan, Muhammad Ikhsan Ilham Apandi Imam Hidayat Imam S. Dalimunthe, Imam S. Imanuel ' Sianipar Indra Budiman Indradewa, Rhian indriana, fitrisya Irwandi Jaswir Ismail Haridsyah Iva Ancewita Saragih Jayawarsa, A.A. Ketut Jonrio Canway Juliati Samosir Juliati Samosir Jumatri Yusri Jumatri Yusri Jumatri Yusri Yusri Jum’atri Yusri Kausar ' Kausar Kausar Khairunnisa Amanda Kurnia, Deby Kurnia, Deby Lela Natalia Lena Marjelita Lukmanasari, Putri M. Bayu Purwanto M. Rasyid Hamidi Manik, Marjohan ' Matius Teddy Ginting Megawati Megawati Meisela, Elsy ' Meki Herlon MITA SAPUTRI Monica Valentina Therescova Simbolon, Monica Valentina Therescova Muhammad Akbar Hasibuan Muhammad Luthfi Mukmin ' Mustaqim Mustaqim Nadia Novianti Tamba Ningsih, Arum Rovarti Novia Dewi Novia Dewi Novia Dewi Novian Novian, Novian Noviar Harun Novrianto ' Nuke Fatmasari Nuke Fatmasari Nuratika, Nuratika Nurfitasari, Mimi Nurwijayanti OKTANIYA OKTANIYA OKTANIYA, OKTANIYA Pangestu, Dio Ajie PARLUHUTAN PARLUHUTAN PARLUHUTAN, PARLUHUTAN Pasaribu, Jekson Pradita Arnandasari Prawiranegara, Barata Aditya Quan Paulus Giovan Rahmawati Ulfah Rahmayuni Rahmayuni Rahmayuni Rahmayuni, Rahmayuni Rano Raswen Efendi RASWEN EFENDI ' Ratih Ardia Sari Rezita Azizah Rici ' Mainaki Ricki Mustapa Ridanil Hanif Rifai, Ahmad Riftyan, Emma RIGUAN EPENDI ' Rika Afrianto RIKO PAMORI ' Rizki Ananda Rizky Zulhardi Rizza ' Novita Rosma, Iswadi Hasyim Rosnita Rosnita Rosnita Rosnita Rosnita Rosnita Rosnita Rossi, Evy Royyan Firdaus Roza Yulida Roza Yulida Roza Yulida Roza Yulida Ryan E Syahrial Sabam Mael Beri M Sadzvirani, Sastiana Sakti Hutabarat Santi Andriani Putri, Santi Andriani SAPUTRI, MITA Sari, Manja Sebayang, Aulia Shafira Septya, Fanny Shorea Khaswarina SIANTURI, HARUN Simatupang, Dewi SISPA PEBRIAN Soewignjo Agus Nugroho Sri Haryati Sugiono Sugiono Sujantara, Defri Aire Sukri Rizki Ilahi Syafrini Rizki Rahmah SYAIFUL BAHRI Syaiful Hadi Taufik Setiawan Taufiq Maulana Taufiq Maulana Tengku Dahril, Tengku Teresia, Yossi Tika Fadilah Tri Azrul Disyamto Turnip, Titus T Ulfa Rizki Pradini Ulfah, Fatia USMAN PATO Utama, Panca Setia Vina Octavia Vonny Setiaries Johan Wahyu Sartika Wasisso Tunggul Pawenang Winda Kusuma Dewi Wiranata, Leo Candra Yelmira ' Zalfiatri Yelmira Zalfiatri Yeni Kusumawaty Yulia Andriani Yulia Andriani Yulia Andriani, Yulia YULIANA SIAHAAN, BUNGA RIA Yuliandri, Fajar Yunita Ariani Zebua Yunita Ariani Zebua Yusmarini Yusmarini Yusri , Jum'atri Yusri, Jum'atri Zulhamid Ridho Zulhardi, Rizky Zulkifli