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All Journal JMPM (Jurnal Material dan Proses Manufaktur) Agrotechnology Research Journal
Fajrin, Qorina Vivianty
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Agriculture, Biological Sciences & Forestry Engineering Mechanical Engineering

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Thermal Behavior of Agricultural Waste in Microwave-assisted Pyrolysis: A Focus on Temperature Parameters Caroko, Novi; Syamsiro, Mochamad; Wahyudi, Wahyudi; Fajrin, Qorina Vivianty
JMPM (Jurnal Material dan Proses Manufaktur) Vol. 9 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jmpm.v9i2.29302

Abstract

Temperature is a crucial parameter in microwave-assisted pyrolysis, as it serves as a basis for evaluating the thermal treatment of a material. This study aims to assess temperature-related parameters and identify the optimal mixture composition for the microwave-assisted pyrolysis of agricultural waste, specifically corn cob, groundnut shell, and rice husk, combined with charcoal. The research employed thermogravimetric analysis (TGA), with agricultural waste mixed with a microwave absorber in the form of charcoal at various composition ratios: 100:0, 75:25, 50:50, 25:75, and 0:100. The results indicate that the composition of feedstock significantly affects temperature parameters. The addition of charcoal was found to increase the maximum temperature and heating rate while simultaneously reducing energy consumption. For all tested agricultural waste, higher charcoal compositions at ratios of 75:25, 50:50, and 25:75 resulted in substantial improvements. Maximum temperature increased by up to 230%, heating rate by up to 497.90%, and energy consumption decreased by up to 80.45% compared to pure agricultural waste biomass. This indicates that 75:25 mixtures of corn cobs, groundnuts, and rice husks with charcoal can be recommended for the pyrolysis process, as they are capable of reaching the pyrolysis temperature range of approximately 400°C–800°C.
Susceptibility of Shallot cv Tajuk Cultivated in Bantul and Kulon Progo Against Fusarium Disease Aisyah, Siti Nur; Fajrin, Qorina Vivianty; Dewi, Intania Puspa; Hidayat, Taufiq; Astuti, Agung; Harikrishna, Jennifer Ann
Agrotechnology Research Journal Vol 9, No 1 (2025): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v9i1.105240

Abstract

Shallot cv. Tajuk is one of the most preferred shallot varieties to be cultivated, especially by farmers living in lowland areas with low water availability issues, such as Bantul and Kulon Progo. However, to date, the information about the resistance of this variety to Fusarium disease is poorly studied. Therefore, this study aims to investigate the prevalence of Fusarium disease in shallot cv. Tajuk is cultivated in Bantul and Kulon Progo. A survey of Fusarium disease occurrence was conducted in 8 shallot fields from 3 districts in Bantul (Imogiri, Sanden, and Kretek) and six shallot fields representing two districts of Kulon Progo (Lendah and Sentolo). Disease observation in Bantul was carried out during the dry season from June to August 2023, while the survey in Kulon Progo was performed during the rainy season from January to February 2024. The cropping system applied in each selected shallot field was also collected through the landowner interviews. Data obtained from disease monitoring were statistically analyzed using one-way analysis of variance (ANOVA), and significance among locations was subsequently analyzed using Duncan’s New Multiple Range Test with a p<0.05. Findings of this study revealed that the susceptibility of shallot cv. Tajuk to Fusarium disease varied between Bantul and Kulon Progo. Shallot var. Tajuk conferred higher resistance against Fusarium disease when it was cultivated in Kulon Progo. Results of this study also confirmed that different farming practices applied in each location appear to have a minor impact on the severity of this disease in the shallot cv. Tajuk
Co-Authors Agung Astuti Caroko, Novi Dewi, Intania Puspa Harikrishna, Jennifer Ann Mochamad Syamsiro Siti Nur Aisyah Taufiq Hidayat Wahyudi Wahyudi