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All Journal Journal of Saintech Transfer
R B Moh Ibrahim Fatoni
Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry Other

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Chemical quality analysis of solid organic fertilizer produced by BUMDEs Bangun Mandiri Bekiung Village, Langkat Regency from empty fruit bunches and liquid waste from palm oil mills R B Moh Ibrahim Fatoni; Hafnes Wahyuni
Journal of Saintech Transfer Vol. 8 No. 2 (2025): Journal of Saintech Transfer
Publisher : Talenta Publisher Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jst.v8i2.21484

Abstract

Organic fertilizer is fertilizer made from decomposed plant, animal, and human waste, produced from various types of organic materials with different properties and characteristics. Bekiung Village is one of the villages that cultivates oil palm plants. However, the utilization of oil palm waste, such as fibers, empty fruit bunches, and liquid waste from oil palm mills, is still limited or has not been effectively utilized by the community, which can cause negative impacts on the environment if left to degrade, while on the other hand, this waste has a high nutrient content. The Community Service Activity based on the Community Empowerment Scheme in the form of making solid organic fertilizer from empty fruit bunches and liquid waste from palm oil mills was carried out at BUMDEs Bangun Mandiri, Bekiung Village, Langkat Regency, in August 2024. The preparation of tools and materials consisted of 100 kg of empty palm fruit bunches, 200 kg of dried palm oil mill effluent, and a bioactivator. Next, the grinding process was carried out using a Hummer mill machine. The results obtained were an organic fertilizer capacity of ±300kg with a fermentation time of 21-35 days with a nitrogen content of 0.21% in the low category, P2O5 of 0.12% in the medium category, K2O of 1.09% in the high category, C -Organic at 2.30% in the low category, Ca at 1.57 me/100g in the medium category, Mg at 0.49 me/100g in the high category, pH at 6.34 in the neutral category, and KTK and moisture content at 15.20 me/100g and 10.28%, respectively.
Sustainable Smart Aquaponics for Food Security: Community Empowerment Through International Collaboration in Support of SDG 2: Zero Hunger Hafnes Wahyuni; R B Moh Ibrahim Fatoni; Dian Pebriyani; Raju; Kristiawan Hadinata Ginting; Syahira Addina
Journal of Saintech Transfer Vol. 9 No. 1 (2026): Journal of Saintech Transfer
Publisher : Talenta Publisher Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jst.v9i1.25122

Abstract

The community service program, titled “Sustainable Smart Aquaponics for Food Security,” aims to improve food security and economic self-reliance for the community in Gongsol Village, Karo Regency. This program integrates freshwater fish farming and hydroponic plant cultivation into a single, efficient, and environmentally friendly closed-loop system. Through this community service initiative, an integrated aquaponic system has been successfully established, equipped with a filtration system, solar panels as a renewable energy source, and Internet of Things (IoT) devices for operational monitoring. The initiative also included outreach, training, and mentoring for partners—namely the Village-Owned Enterprise (BUMDes), homemakers, and village youth—to enhance their knowledge and skills in managing the system. The results demonstrate an increase in community capacity and readiness to operate the technology independently. Positive impacts on nutrition, production efficiency, and opportunities for sustainable increases in community income were observed, as measured through pre- and post-evaluations based on three indicators: consumption of nutritious food, production efficiency, and additional household income. Data was collected using participatory questionnaires and production records provided by the partners.
Co-Authors Dian Pebriyani Hafnes Wahyuni Kristiawan Hadinata Ginting Raju Syahira Addina