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All Journal Jurnal Ilmu Pertanian Indonesia Teknotan: Jurnal Industri Teknologi Pertanian Jurnal Keteknikan Pertanian TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Penelitian Pascapanen Pertanian Jurnal Penelitian dan Pengembangan Pertanian Jurnal Penelitian Tanaman Industri Jurnal Tanaman Industri dan Penyegar KOMUNITAS JURNAL PENGEMBANGAN MASYARAKAT ISLAM Jurnal Intelektualita: Keislaman, Sosial, dan Sains Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Jurnal Ilmiah Peuradeun Jurnal Penelitian Pertanian Tanaman Pangan Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) JISIP: Jurnal Ilmu Sosial dan Pendidikan JURNAL PANGAN Jurnal Teknologi Pertanian Andalas Jurnal Mutu Pangan : Indonesian Journal of Food Quality Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Abdi Masyarakat Jurnal Penelitian Tanaman Industri (Littri) Jurnal Penelitian dan Pengembangan Pertanian SABURAI INTERNASIONAL JOURNAL OF SOCIAL, SCIENCES, AND DEVELOPMENT (Saburai-IJSSD) Journal of Applied Agricultural Science and Technology Palakka : Media and Islamic Coummunication Journal of Training and Community Service Adpertisi BIODIVERS - BIOTROP Scientific Magazine Horizon: Indonesian Journal of Multidisciplinary
Usman Ahmad
Departemen Teknik Mesin Dan Biosistem, Fakultas Teknologi Pertanian, Institut Pertanian Bogor, Kampus IPB Dramaga, Bogor 16680
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Public Health Social Sciences Other

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SOSIALISASI PENATAAN PERKAMPUNGAN KUMUH Usman, Ahmad
JOURNAL OF TRAINING AND COMMUNITY SERVICE ADPERTISI (JTCSA) Vol. 4 No. 2 (2024): Juli 2024
Publisher : ADPERTISI

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

Abstract

Socialization of slum upgrading plays an important role in making people aware of the need to take part in beautifying the area where they live. This service aims to analyze the socialization of slum upgrading in Oimbo Village, Bima City, conducted by a team of lecturers from Mbojo University, Bima. There are several stages of socialization as a form of awareness, namely: (a) about slums and their characteristics and indicators, (b) things that need to be done in order not to be categorized as a slum, (c) the need for community participation in the arrangement of slum villages, (d) the role of the government as a facilitator. This socialisation is the first step in raising community awareness and there will be further socialisation. In conclusion, community awareness plays a vital role in creating through socialization programs from government agencies, the private sector, and entrepreneurs
Fluorescence Imaging as a Non-Destructive Method for Aflatoxin Detection in Corn Kernels: Recent Advances and Challenges Sri Handayani Nofiyanti; Usman Ahmad; Efi Toding Tondok; Slamet Widodo
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 14, No 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.714-731

Abstract

Fluorescence imaging has developed as a promising non-invasive method for identifying aflatoxin contamination in agricultural commodities, especially corn kernels. This paper examines current improvements in fluorescence imaging technologies, highlighting its potential to improve food safety through swift and precise detection of mycotoxins. The paper examines the basics of fluorescence, the necessary setup for optimal imaging, and the issues related to background fluorescence interference, sensitivity, and the construction of calibration models. Although there are some limitations, fluorescence imaging presents considerable advantages, such as cost-efficiency and the capacity to obtain concurrent spectral and spatial data. Proposed future research objectives include the validation of imaging systems using naturally contaminated samples, the optimization of imaging parameters, and the integration of machine learning techniques to enhance data processing. By overcoming existing constraints and utilizing technical progress, fluorescence imaging can serve as an essential instrument in the detection of aflatoxin contamination, hence enhancing food safety. Keywords: Aflatoxin, Detection, Fluorescence imaging, Food safety, Machine learning.
Shelf-life Estimation of Dried Chili in Vacuum Packaging Nanda Wisha Ranawati; Usman Ahmad; Dyah Wulandani
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 1 (2024): March 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i1.60-70

Abstract

This research aimed to build a model for estimating the shelf life of dried chilies in vacuum packaging stored at any storage temperature. The shelf-life estimation of dried red chilies was carried out based on the change rate of dried chilies quality parameters using the ASLT (Accelerated Shelf-Life Testing) method with the Arrhenius approach. The shelf-life estimation using the ASLT method was carried out by conditioning the storage room, which could accelerate the degradation reaction, stored at temperatures above room temperature. Prior to storage, red chilies were dried until their moisture content reaches 10%. Then it was packaged in vacuum packaging made of PE (polyethylene) plastic and stored at 35°C. During the storage period, the observation was conducted on some quality parameters, namely moisture content, color, and vitamin C content. The same experiments were also carried out at 40°C, 45°C, and 50°C to obtain different rate constant values. The shelf-life estimation results from the Arrhenius equation model were selected based on the critical parameter, in this study the critical parameter was the decrease of vitamin C content. The shelf life of dried red chilies that were packed in vacuum stored at room temperature (25°C) could maintain its quality up to 365 days. Keywords:  Arrhenius,  ASLT,  Red chili,  Vacuum packaging,  Shelf life, 
"Sacrifice" As Form of Dakwah (Case Study Of Tabligh Religious Thought) Halim, Harifuddin; Usman, Ahmad; Asmirah, Asmirah; Masdar, Muhammad
Palakka : Media and Islamic Communication Vol. 2 No. 1 (2021)
Publisher : State Islamic Institute of Bone, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1199.737 KB) | DOI: 10.30863/palakka.v2i1.1481

Abstract

This study aims to reveal the forms of sacrifice as a model of preaching carried out by members of the Tabligh group. They do this as a manifestation of their belief in the Islamic religion that they profess. This study used a quantitative method with a survey approach to the Tablighi group. This approach is appropriate in expressing one focus of study, namely sacrifice as a model for group da'wah. The data was collected using a questionnaire to 25 members of the Tabligh group related to the 'sacrifice' da'wah model they carried out. The results showed: the form of sacrifice as a model of da'wah in their beliefs in the form of sacrifice of time, sacrifice of work, sacrifice of family, sacrifice of wealth, sacrifice of self, and sacrifice of feelings. They think all of these things are material that must be sacrificed to get a reward from Allah SWT.
The Impact of Withering Pre-Processing and Distillation Durations on Yield and Quality of Citronella Oil Ahmad, Usman; Dentaka, Dentaka; Krah, Courage Y.
Journal of Applied Agricultural Science and Technology Vol. 9 No. 2 (2025): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jaast.v9i2.397

Abstract

The global essential oil market is expanding rapidly, driven by demand from the pharmaceutical, cosmetic, and food industries. This has positioned Indonesia as a key producer and exporter of citronella essential. However, inconsistent processing methods lead to variable quality and suboptimal oil yields. This study addresses this gap by investigating how withering duration (0-72 hours) and distillation time (2-4 hours) affect yield and quality of distilled oil from Cymbopogon nardus (Mahapengiri variety). The results show that the highest oil yield (1.14%) was achieved with 72 hours of withering followed by 4 hours of distillation, demonstrating that prolonged withering significantly enhances extraction efficiency by reducing moisture content and facilitating oil release from plant cells. Quality assessments revealed that extended processing improved key physical parameters, including density (0.8897 g/cm³) and refractive index (1.4694), which conformed to Indonesian export standards (SNI 06-3953-1995). Chemical analysis using gas chromatography-mass spectrometry (GC-MS) indicated that optimal processing conditions increased the concentrations of citronellal (43.24%) and geraniol (21.73%), critical compounds that enhance the oil’s market value. However, longer distillation times also intensified the oil’s color, shifting it from clear to a deep yellow, which may influence consumer preference despite meeting industry chromatic standards. The study highlights the trade-offs between yield, quality, and visual characteristics in citronella oil production. These findings provide actionable insights for Indonesian producers aiming to optimize post-harvest techniques and improve the competitiveness of citronella oil in global markets.
Strengthening the Role of Village-Owned Enterprises Through Coaching in Rato Village, Lambu District, Bima Regency Asmiatiningsih, Sri; Iptidaiyah, Muhamad; Tasrif, Tasrif; Hendra, Hendra; Junaidin, Junaidin; Ardiansyah, Nike; Usman, Ahmad; Nurlaila, Nurlaila
Abdi Masyarakat Vol 7, No 1 (2025): Abdi Masyarakat
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Mandala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58258/abdi.v7i1.8829

Abstract

Village-Owned Enterprises (BUMDes) play a crucial role in improving the welfare of rural communities through local economic empowerment. In Rato Village, Lambu District, Bima Regency, BUMDes functions as the driving force for village economic development. However, in its implementation, BUMDes in this village still faces various challenges related to management, funding, and human resource development. The aim of this study is to identify the efforts made to strengthen the role of BUMDes in Rato Village and to assess its impact on the local economy. A qualitative method with a case study approach was used. Data were collected through interviews with village officials, BUMDes managers, and local community members. The results show that the capacity building efforts, including business management training, financial assistance, and local product development, have had a positive impact on the performance of BUMDes. However, continued efforts are needed to improve the capacity of managers and expand the scope of BUMDes activities in the future.
Interactionism and Social Harmonization in Wonomulyo as the Multiethnic City Masdar, Muhammad; Harifuddin, Harifuddin; Iskandar, Abdul Malik; Azus, Faidah; Usman, Ahmad
Jurnal Ilmiah Peuradeun Vol. 12 No. 2 (2024): Jurnal Ilmiah Peuradeun
Publisher : SCAD Independent

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26811/peuradeun.v12i2.1022

Abstract

This study aims to (1) analyze the meaning of symbolic interactionism in multiethnic community members in the Wonomulyo District and (2) describe the sociometric form of symbolic interactionism in multiethnic communities in the Wonomulyo District. This research is qualitative research using a sequential exploratory design, namely qualitative-quantitative. Collecting data using in-depth interview techniques, observation, and literature study. Data analysis used a three-step technique: reduction, categorization, and conclusion. The results are (1) the interactionism in multiethnic society is built on openness, friendship, and kinship, and everyone likes this attitude so that social harmony is built; (2) The sociometric form of symbolic interactionism in Wonomulyo as a multiethnic city that Javanese as the dominant culture, namely open attitude, friendship, and kinship created social harmonization. The conclusion is that dominant culture plays a role in shaping societal tendencies, such as the harmonious Javanese culture, which is conditioning the culture of the Wonomulyo people always to be harmonious.
THE EFFECT OF COMPETENCE AND CAREER DEVELOPMENT ON EMPLOYEE PERFORMANCE IN THE PROTOCOL AND COMMUNICATION DEPARTMENT OF THE SOUTH LAMPUNG REGENCY LEADERSHIP Usman, Ahmad; Ahiruddin, Ahiruddin
Saburai International Journal of Social Sciences and Development Vol 9, No 1 (2025): SABURAI IINTERNATIONAL JOURNAL OF SOCIAL SIENCES AND A DEVELOPMENT
Publisher : University of Sang Bumi Ruwa Jurai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24967/saburaiijssd.v9i1.4517

Abstract

Competence plays an important role in determining the quality of an employee's work and their understanding of their field of work. A professional must have academic qualifications and abilities that are appropriate to their field of work in order to make an optimal contribution to the organization. Competence is also a measure of individual behavior related to excellent performance at work. In the face of increasingly fierce competition, organizations need quality human resources as a key factor for success. Human resources with high competencies will support the smooth implementation of tasks and the achievement of organizational goals. Conversely, if the quality of human resources is low, the overall performance of the organization will decline. This study aims to examine the influence of competencies and career development on employee performance in the Protocol and Communication Division of the South Lampung Regency. Involving 53 respondents and using quantitative analysis methods through the SPSS program, the results showed that competence had a positive effect on performance with a contribution of 69.3%, while career development had a positive effect of 74.9%. Simultaneously, both variables had a positive effect on employee performance of 80.7%, while the remaining 19.3% was influenced by other factors outside the scope of this study.
Detik.com and Kompas.Com Media Framing Regarding Reporting the Alleged Assault of a Former Indonesian Oriental Circus Performer Ulfah, Nurul; Rosadi, Ariani; Usman, Ahmad
JISIP: Jurnal Ilmu Sosial dan Pendidikan Vol 9, No 4 (2025): JISIP (Jurnal Ilmu Sosial dan Pendidikan) (November)
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Mandala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58258/jisip.v9i4.9375

Abstract

This study aims to analyze two mainstream media outlets, detik.com and kompas.com, in framing the alleged exploitation and violence against former Oriental Circus Indonesia (OCI) performers. The analysis was conducted using the Pan and Kosicki framing method, which encompasses four structures: syntactic, rhetorical, thematic, and narrative. Furthermore, the 5W+1H approach was used to explore the basic elements of the reporting. The results show that the two media outlets present very different narrative constructions. Detik.com emphasizes the voices of victims with a human interest approach, framing the issue in the context of conflict between institutions and individuals, and calling for state intervention through human rights institutions. In contrast, kompas.com constructs a narrative of self-defense from the institutional perspective by emphasizing historical legitimacy, visual evidence, and a rhetorical approach focused on clarifying and restoring the reputation of OCI management. These differences in framing demonstrate how the media not only convey facts but also pay attention to public perception through the choice of language structure, narrative perspective, and specific communicative objectives. This research underscores the importance of critical awareness of media framing in issues involving moral conflicts, human rights and institutional interests.
Macro-Nutrient Prediction of Paddy Field Soil Using Artificial Neural Network and NIR Spectroscopy Ahmad, Usman; Budiastra, I Wayan; Subrata, I Dewa Made; Firdaus, Jonni
Jurnal Keteknikan Pertanian Vol. 12 No. 2 (2024): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.012.2.242-258

Abstract

Understanding soil fertility, influenced by macronutrients like nitrogen, phosphorus, and potassium, is essential for adaptive agriculture implementation based on various soil conditions. Near-infrared spectroscopy technology provides non-destructive, rapid soil property measurements without chemicals, applicable both in-field and in-laboratory. However, the wide NIR spectrum range and neural network complexities can hinder Artificial Neural Network (ANN) training and inference, leading to time and resource inefficiency, especially without sophisticated computing devices. This study examines data reduction methods to enhance ANN performance in predicting soil macronutrients using NIR spectra. Multiple Linear Regression (MLR) and Principal Component Analysis (PCA) were applied to select wavelengths from the 1000–2500 nm for ANN input, comparing their performance. About 237 NIR reflectance data from paddy soil were transformed into absorbance data. MLR used forward selection to identify wavelengths with correlations higher than 0.9, while PCA selected wavelengths corresponding to the loading factor peaks for each principal component. These selected wavelengths served as inputs for the ANN model. The ANN’s performance was assessed using correlation and determination coefficients, RMSE, RPD, and model consistency. For nitrogen, the PCA+ANN model with reflectance spectra performed better (RPD 2.4-4.8) than the MLR+ANN model (RPD 2.2-2.6) using fewer wavelengths (5-9 for PCA+ANN vs. 9-12 for MLR+ANN). For phosphorus estimation, the PCA+ANN model also excelled (RPD 2.3-7.0 vs. 2.3-2.4) with fewer wavelengths (4-7 vs. 7). For potassium estimation, the PCA+ANN model showed superior performance (RPD 4.3-9.5 vs. 4.2-4.4), using the same number of wavelengths (4-8 vs. 4-6).
Co-Authors . Asmirah . Sabihah . Yulianingsih Abdul Malik Iskandar Adi Sutrisno Ahiruddin Ahiruddin Ali Djamhuri Ardiansyah, Nike Aris Purwanto Armansyah H. Tambunan Asmiatiningsih, Sri Azus, Faidah Baskara Edi Nugraha Christina Winarti Dedy Wirawan Soedibyo Dentaka, Dentaka Desi Kris Tanti Ritonga Desrial Diding Suhandy Dwi Dian Novita Dwi Pamungkas Bermani Dyah Wulandani Efi Toding Tondok Eko Heri Purwanto Emmy Darmawati Enrico Syaefullah Evi Savitri Iriani Fahim Muchammad Taqi Fahmi Riadi Fajar Kurniawan Fajar Kurniawan Firdaus, Jonni Hadi K Purwadaria Haeril, Haeril HALIM, HARIFUDDIN handayani, yossi Hani Fildzah Nadya Harifuddin Harifuddin, Harifuddin Hendra Hendra I Dewa Made Subrata I Wayan Budiastra Iman Sabarisman Indradewa, Rhian Inge Scorpi Tulliza Iptidaiyah, Muhamad Jati Sumarto Putro Jonni Firdaus, Jonni Junaidin, Junaidin Khalimatus Sa'diyah Krah, Courage Y. Kudang Boro Seminar Lilik Pujantoro Lilik Pujantoro Eko Nugroho Lu’lu’i Zulaikho Lydia Ariani Mar'atus Sholihah Mardison Suhil Meika Wahyuni Azrita Meivie Lintang Mohamad Rafi Mohamad Rahmad Suhartanto Monika Marpaung Mudho Saksono Muhammad Masdar Muhammad Sudirman Akilie Muhammad Yusuf Antu MUHAMMAD YUSUF ANTU Nadya, Hani Fildzah Nanda Supriana Nanda Wisha Ranawati nFN Sarastuti nFN Sutrisno nFN Sutrisno Nijma Nurfadila, Nijma Nikmatul Hidayah Nofiyanti, Sri Handayani Novita Sari Nugraha Edhi S Nugraha Edhi Suyatma Nur Rahma Refilia Nur ‘Azah Putri Wulandari Zainal Putri, Irriwad Ranawati, Nanda Wisha Rizka Wildani Rizky Wulansetiasari Rokhani Hasbullah Rosadi, Ariani Rosyid Ridho Rudy Tjahjohutomo Samsudin Samsudin Samsudin Samsudin Samsudin Samsudin Samsudin Saputri, Diah Ega Sarastuti Sarastuti Sarastuti, Sarastuti Selvi Marcellia Siti Mariana Widayanti Sjahrul Annas Slamet Ari Dwi Ratnanto Slamet Widodo Slamet Widodo Sri Ayu La Aji Sri Lestari Sri Widowati Suci Rahmi Sukini Sukrisno Widyotomo Suroso . Sut risno SUTRISNO Sutrisno . Sutrisno . Sutrisno Mardjan Sutrisno Sutrisno Syamsuddin Syamsuddin Tasrif Tasrif v, Muhammad Verra Mellyana Waqif Agusta Wawan Hermawan Wendianing Putri Luketsi Yusianto Yusianto