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All Journal Jurnal Nusa Sylva Yumary: Jurnal Pengabdian kepada Masyarakat
Nugraha, Muhammad Dimaz
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Agriculture, Biological Sciences & Forestry Humanities Economics, Econometrics & Finance Environmental Science Social Sciences Other

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PENGARUH VARIASI DAYA LASER CO2 TERHADAP PERUBAHAN WARNA PERMUKAAN DAN PREFERENSI KONSUMEN PADA KAYU CEMPAKA (Michelia champaca) Suri, Intan Fajar; Nugraha, Muhammad Dimaz; Al Qorny, Faiz; Febryano, Indra Gumay; Hidayat, Wahyu
Jurnal Nusa Sylva Vol. 25 No. 1 (2025): JURNAL NUSA SYLVA
Publisher : Universitas Nusa Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31938/jns.v25i1.849

Abstract

Laser technology has become one of the main innovations in material delivery, especially in the wood industry for cutting and engraving purposes. One of the advantages of this technology is the ability to produce precise and aesthetic patterns on the wood surface. However, each type of wood has unique characteristics to the heat treatment of the laser beam, so further research is needed to understand the specific response of each type of wood. This study aims to trigger the effect of variations in CO₂ laser power on changes in the surface color of cempaka wood (Michelia champaca) and to identify consumer preferences for the color results. The study was conducted at the Forest Products Technology Laboratory, University of Lampung, using three variations of laser power: 2.5 watts, 5 watts, and 7.5 watts, with each treatment repeated three times. The surface color was described using a CIE-Lab system-based colorimeter (parameters L*, a*, and b*) before and after engraving. In addition, a consumer preference survey was conducted boldly involving 100 students from the University of Lampung to assess the visualization of the engraving results. The results showed that higher laser power (7.5 watts) produced darker and more contrasting wood colors, with a decrease in L* values and an increase in a* and b* values. Most respondents preferred the results of engraving using 7.5 watts of power because it produced darker colors and was considered more aesthetic and gave sharper results.
Pemanfaatan Limbah Tongkol Jagung: Produksi dan Pengembangan Usaha Biochar Desa Bangun Sari Hidayat, Wahyu; Utami, Mia Putri; Nugraha, Muhammad Dimaz; Duryat, Duryat; Febryano, Indra Gumay; Herwanti, Susni; Suri, Intan Fajar
Yumary: Jurnal Pengabdian kepada Masyarakat Vol. 6 No. 1 (2025): September
Publisher : Penerbit Goodwood

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35912/yumary.v6i1.3596

Abstract

Purpose: This community service program aimed to explore the feasibility and benefits of utilizing corn cob waste for biochar production as a sustainable practice that can serve as a solution to address the issues of corn biomass waste, while simultaneously enhancing waste management, improving soil fertility, and stimulating local economic development. Methodology/approach: This community service program involved 27 farmers in Bangun Sari Village, Pesawaran, focusing on biochar benefits for soil improvement. The methodology included technical training on building biochar production facilities from corn biomass using clay kilns, production process training, establishing a biochar production unit, and providing ongoing support for production, packaging, and marketing of biochar. Results/findings: The community service program has significantly improved farmer’s knowledge on the agricultural waste utilization to support sustainable farming in Bangun Sari Village. The community service activity reveals that the application of biochar production technology using clay kiln techniques is easily adoptable by the community and involves relatively low production costs. Conclusion: By focusing on biochar production units, process training, and business development, the program will benefits local farmers and the community. Its success hinges on effective technical implementation and strong community and government support. Continued commitment and collaboration promise long-term positive impacts on environmentally friendly agriculture.
Pemanfaatan Limbah Tongkol Jagung: Produksi dan Pengembangan Usaha Biochar Desa Bangun Sari Hidayat, Wahyu; Utami, Mia Putri; Nugraha, Muhammad Dimaz; Duryat, Duryat; Febryano, Indra Gumay; Herwanti, Susni; Suri, Intan Fajar
Yumary: Jurnal Pengabdian kepada Masyarakat Vol 6 No 1 (2025): September
Publisher : Penerbit Goodwood

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35912/yumary.v6i1.3596

Abstract

Purpose: This community service program aimed to explore the feasibility and benefits of utilizing corn cob waste for biochar production as a sustainable practice that can serve as a solution to address the issues of corn biomass waste, while simultaneously enhancing waste management, improving soil fertility, and stimulating local economic development. Methodology/approach: This community service program involved 27 farmers in Bangun Sari Village, Pesawaran, focusing on biochar benefits for soil improvement. The methodology included technical training on building biochar production facilities from corn biomass using clay kilns, production process training, establishing a biochar production unit, and providing ongoing support for production, packaging, and marketing of biochar. Results/findings: The community service program has significantly improved farmer’s knowledge on the agricultural waste utilization to support sustainable farming in Bangun Sari Village. The community service activity reveals that the application of biochar production technology using clay kiln techniques is easily adoptable by the community and involves relatively low production costs. Conclusion: By focusing on biochar production units, process training, and business development, the program will benefits local farmers and the community. Its success hinges on effective technical implementation and strong community and government support. Continued commitment and collaboration promise long-term positive impacts on environmentally friendly agriculture.
Co-Authors Al Qorny, Faiz Duryat, Duryat Indra Gumay Febryano Suri, Intan Fajar Susni Herwanti Utami, Mia Putri Wahyu Hidayat Wahyu Hidayat