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Journal : Journal of Community Empowerment

Innovation of Hybrid Solar and Gas-Powered Maggot Dryer Machine as a Solution for Dry Feed Pinandita, Satria; Jayati, Ari Endang; Derman, Derman; Elawati, Nunung Eni; Ramadan, Bimastyaji Surya
Journal of Community Empowerment Vol. 5 No. 1 (2025): Journal of Community Empowerment
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jce.v5i1.19313

Abstract

Sugihmanik Village, a major tofu production center, produces substantial amounts of organic waste, particularly wastewater that contaminates local rivers and disrupts the surrounding ecosystem. A community service program has been developed to convert tofu waste sludge into maggot feed, followed by drying using a hybrid solar and gas-powered maggot drying machine. Initial activities involved program outreach and technical training on maggot cultivation and the drying process. A drying trial demonstrated that 200 grams of wet maggots were reduced to 114 grams within seven minutes. Monthly drying operations required only four 3-kg LPG cylinders, resulting in 81 kilograms of dry maggots and a potential monthly income of IDR 4.050.000. Environmental degradation caused by tofu waste has been significantly mitigated, while local economic productivity has improved. The drying machine enhances the commercial value of maggots as durable livestock feed. The initiative strengthens the operational sustainability of the Krida Manik Waste Bank and offers a scalable model for resource-based environmental solutions.
Pest and Disease Control Training for Women’s Urban Farming Group in Semarang, Indonesia Indriyanti, Dyah Rini; Widiyaningrum, Priyantini; Dewi, Pramesti; Elawati, Nunung Eni; Yati, Ernallah; Melinda, Aura Tirsa; Ananda, Rahimma Artantia; Puspita, Maria Ayu
Journal of Community Empowerment Vol. 4 No. 2 (2024): Journal of Community Empowerment
Publisher : Universitas Negeri Semarang

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

Abstract

The Women Farmers Group in Sampangan, Semarang, Indonesia has managed an urban farming area since 2018, cultivating vegetables, fruits, and medicinal plants. However, they face persistent challenges in controlling plant pests and diseases due to limited knowledge. This community service aimed to enhance their understanding through structured training on sustainable pest and disease control in horticultural crops. The activity involved preparation, implementation, and evaluation phases, with participatory methods including pre-test and post-test evaluations, tutorials, and discussions. The training introduced eco-friendly techniques such as cultural, biological, and mechanical control. The participants showed high enthusiasm during the sessions. Results indicated a 25% increase in knowledge, demonstrating the effectiveness of the training. This program supports SDG 2 (Zero Hunger) and SDG 11 (Sustainable Cities and Communities) by promoting sustainable agriculture and empowering women in urban farming practices.
Developing a Community-Based Organic Waste Management Model through Biofertilizer and Black Soldier Fly (Hermetia illucens) Production Indriyanti, Dyah Rini; Widiyaningrum, Priyantini; Dewi, Pramesti; Elawati, Nunung Eni; Jelita, Orchida Puspa; Farreza, Delia Alifia; Puspita, Maria Ayu
Journal of Community Empowerment Vol. 5 No. 1 (2025): Journal of Community Empowerment
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jce.v5i1.44353

Abstract

Household organic waste in urban settlements remains a persistent environmental challenge due to limited community-based processing systems and low levels of waste valorization. Many waste management initiatives are still activity-oriented and lack an integrated participatory circular framework that connects environmental, economic, and social dimensions. This community engagement program aimed to develop a Participatory Circular Community Model through the conversion of household organic waste into biofertilizer and Black Soldier Fly (Hermetia illucens) feed production in Plamongansari, Semarang, Indonesia. The program applied a collaborative approach involving youth organizations and women’s community groups through structured training, hands-on practice, production mentoring, and evaluation using pre- and post-assessment instruments. Organic household waste was processed into liquid and solid biofertilizer, while carbohydrate-rich residues were utilized as substrate for Black Soldier Fly larvae cultivation. The results demonstrate significant improvements in community knowledge, technical skills, and environmental awareness, accompanied by the production of economically valuable organic fertilizer and maggot feed. The developed model illustrates how participatory circular practices can reduce household waste volume while generating micro-economic opportunities. This model offers a structured framework for sustainable urban waste management and presents strong replication potential for other urban communities seeking environmentally and economically viable waste solutions.