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Jufriadif Na`am
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jufriadifnaam@upiyptk.ac.id
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+6287895670026
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ajarcde.safenetwork@gmail.com
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Faculty of Agricultural Technology. Andalas University. Limau Manis Campus, Padang. Indonesia 25163
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INDONESIA
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment)
Published by Asia Pacific Network for Sustainable Agriculture, Food and Energy
ISSN : 25810405     EISSN : 25810405     DOI : https://doi.org/10.29165
Core Subject : Science, Education, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Education Energy Environmental Science
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) publishes papers on innovative applications, development of new technologies, and efficient solutions in agriculture, engineering, computing, economic, social, information technology, food, energy, and scientific research to improve knowledge and practice in the field of purposive community change: Rural and community development, geography and regional planning, rural cooperatives, community health; capacity building, social work, community empowerment, sustainable development, human resource development; social capital, economic development, urban studies, student community service activities, and relevant subjects. The Asia Pacific Network for Sustainable Agriculture, Food, and Energy (SAFE-Network) is a peer-reviewed journal that publishes AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment). The objective of AJARCDE is to provide a forum for studying and applying research in community development and empowerment studies. This unique interdisciplinary journal covers a range of research methods, including: - Case studies - Comparative studies - Community-based participatory or action research - Examine community problem - Policy Analysis - Program evaluation - Survey research - Theory and model development
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 1,105 Documents
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Synthesis of Calcium Carbonate from Carbide Lime Waste (Ca(OH)2) Using a Bubble Column Reactor with the Carbonation Method Imanda Rahmawaty; Rafi Rajendra; Ketut Sumada; Ni Ketut Sari; Nurul Widji Triana
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 3 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i3.1111

Abstract

The acetylene gas industry generates substantial carbide lime waste (Ca(OH)2, which poses environmental challenges but offers potential as a calcium source for precipitated calcium carbonate (PCC) production. This study synthesized PCC from carbide lime waste using a Bubble Column Reactor (BCR) and optimized the carbonation process using Response Surface Methodology (RSM). The effects of Ca(OH)2 concentration (3–7%) and CO2 flow rate (3–7 L/min) on PCC purity, product mass, and yield were evaluated. The products were characterized using acid–base titration, SEM–EDX, and X-ray diffraction (XRD). SEM–EDX analysis showed that the carbide lime waste contained 44.64 wt% calcium, confirming its suitability as a calcium source. Both Ca(OH)2 concentration and CO2 flow rate significantly influenced PCC production. The optimum condition was achieved at 7% Ca(OH)2 and a CO2 flow rate of 5 L/min, producing PCC with 99.88% purity and 82.85% yield, meeting the purity requirement for paper-grade filler. These findings demonstrate the potential of carbide lime waste valorization as a sustainable waste-to-resource strategy integrating industrial waste reduction, value-added material production, and CO2 utilization. Contribution to Sustainable Development Goals (SDGs):SDG 9 — Industry, Innovation and InfrastructureSDG 12 — Responsible Consumption and ProductionSDG 13 — Climate Action
Gender Analysis of Time Allocation in the Sustainable Food Yard Program (P2L) in Padang City Nurul Syakira; Vonny Indah Mutiara; Yuerlita Yuerlita
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 3 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i3.1271

Abstract

Food security is not only related to food availability but also to the rights and abilities of each individual, including women, to control the process of food production, distribution, and consumption. This study aims to analyze the role of gender in the Sustainable Food Yard Program (P2L) at the household level in Padang City. The study used a quantitative descriptive approach through Harvard analysis involving 30 households receiving assistance as respondents. The researchers selected respondents using purposive random sampling. The results showed that women, especially wives and daughters, play a dominant role in all stages of P2L activities, from polybag preparation and planting to selling garden produce. Wives allocate 244.59 hours per year and daughters 241.06 hours per year in P2L program activities, indicating that women are the main actors in program implementation. However, there is still gender inequality in P2L assistance households, where wives have the highest workload throughout the year, which is 4,202.3 hours per year, covering productive, reproductive, and social activities. Men's roles in domestic and social activities remain limited. Therefore, the P2L program's success requires family support, cohesiveness among farmers' women’s groups, and ongoing government mentoring. Contribution to Sustainable Development Goals (SDGs):SDG 2: Zero HungerSDG 5: Gender EqualitySDG 1: No Poverty SDG 15: Life on Land
Sentiment-Based User Satisfaction Analysis of Indonesian E-Grocery Applications Using Naïve Bayes and XGBoost Farista Lilmumazzaini; Enny Aryanny
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 3 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i3.1284

Abstract

This study evaluated user sentiment and satisfaction across Alfagift, Klik Indomaret, and HappyFresh by analyzing 9,000 Google Play Store reviews collected between June 2024 and June 2026. The research applied text preprocessing, TF-IDF weighting, an 80:20 train-test split, and 5-fold cross-validation. Classification performance was statistically validated using McNemar’s test. Multinomial Naïve Bayes achieved 75% accuracy, 76% precision, 74% recall, and a 74% F1-score, while XGBoost reached 86% accuracy, 85% precision, 85% recall, and an 85% F1-score. Sentiment labeling identified 5,042 negative reviews (56%) and 3,958 positive reviews (44%), with Klik Indomaret recording the highest negative share at 64.4%, Alfagift at 56.4%, and HappyFresh recording the highest positive share at 52.8%. The proposed 5W+1H improvement priorities provide actionable insights for practitioners to repair application stability, synchronize real-time inventory, fix OTP authentication, and accelerate refund service level agreements (SLA), aligning with SDGs 8, 9, and 12. Contribution to Sustainable Development Goals (SDGs):SDG 9: Industry, Innovation, and InfrastructureSDG 12: Responsible Consumption and ProductionSDG 8: Decent Work and Economic Growth
Characterization and Energy Cost Implications of Corn Cob Biochar Produced at Different Temperatures Nika Rahma Yanti; Aninda Tifani Puari
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 3 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i3.1312

Abstract

Carbonization temperature is a main parameter in physicochemical properties and the production economics of biochar. This study evaluates the influence of temperatures between 200 and 600 °C on corn cob biochar (CCB) characteristics. The electricity-based production costs of this process also be identified using a 2-kW furnace. Biochar yield decreased significantly from 7.21% at 200 °C to 2.56% at 600 °C. A similar trend was also seen in volatile matter, which declined with increasing temperature. Meanwhile, the ash content increased from 9.67% to 29.92 % due to progressive mineral concentration. Noticibly, fixed carbon content increased and reached a maximum at 400 °C (45.82%) before decreasing at higher temperatures, indicating excessive thermal severity. Energy consumption rose from 2.60 to 3.93 kWh, substantially increasing production cost per unit mass from Rp 520.97 g?¹ to Rp 4,445.00 g?¹. The results demonstrate a clear trade off between biochar quality enhancement and energy efficiency. Overall, CCB produced at 400 °C provides the most balanced condition, delivering high fixed carbon content with comparatively moderate energy consumption. By this means representing the most economically viable temperature for scalable CCB production. Contribution to Sustainable Development Goals (SDGs):SDG 7: Affordable and Clean EnergySDG 12: Responsible Consumption and ProductionSDG 13: Climate Action
Performance Evaluation of an Integrated Onion Peeling and Slicing Machine for Improving Processing Efficiency Toni Okviyanto; Firdaus; Muhammad Rizky Tolusha Putra; Patli Rahmanda; Stevan Juliandro Aruan
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 3 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i3.1387

Abstract

Onion processing at small- and medium-scale levels still faces challenges because peeling and slicing are generally performed as separate operations, resulting in longer processing times and greater material-handling requirements. This study aimed to develop and evaluate an integrated onion peeling and slicing machine that combines both processes into a single operating system powered by one prime mover. The study used an experimental engineering design approach, including a literature review, technical requirement identification, machine design, component fabrication, assembly, functional testing, and performance evaluation. The evaluated parameters included peeling efficiency, processing time, production capacity, and slicing quality. The results showed that, during peeling with a 5 kg material load at 1800 rpm, the machine achieved a peeling efficiency of 95.24% with a processing time of 15 min. During slicing with a 5 kg material load at 2800 rpm, increasing the number of blades from two to four reduced processing time from 3.00 to 1.50 min and increased production capacity from 100.00 to 200.00 kg/h. Slice thickness was targeted at approximately 1.5–2.0 mm, with the two-blade configuration providing the most visually uniform slices. Four blades produced the highest production capacity, whereas two blades produced more uniform slices. The results show that the integrated onion peeling and slicing machine can improve onion processing efficiency for small- and medium-scale applications, with blade configuration selection depending on the priority between production productivity and slicing quality. Contribution to Sustainable Development Goals (SDGs):SDG 9: Industry, Innovation & Infrastructure

Page 111 of 111 | Total Record : 1105

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