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All Journal Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Journal of Agriculture (JoA)
Veronika Sriwulantari
Politeknik Pertanian Negeri Payakumbuh
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Penerapan Teknologi Olah Sampah di Sumber (TOSS) dalam Pengelolaan Sampah Rumah Tangga pada Bank Sampah PKH Kepompong di Kecamatan Mungka Veronika Sriwulantari; Heri Faisal Harahap; Idris Idris
ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Vol. 5 No. 1 (2026): Februari 2026
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/abdikan.v5i1.7226

Abstract

Solid waste management in Indonesia still faces a major service gap, as reflected by open dumping, open burning, and disposal into water bodies. In Lima Puluh Kota Regency, 81.57% of the 2024 waste generation was reported as unmanaged, while the Payakumbuh Regional Landfill became inoperable following an explosion and landslide in late 2023. This community service program aimed to strengthen the capacity of the PKH Kepompong Waste Bank in Jorong Sopan to manage household organic waste through Source-Based Waste Processing Technology (TOSS). The program employed a sequence of activities: awareness-raising on source segregation, introduction to the TOSS workflow, and hands-on training on producing eco-enzyme from fruit waste as a bio-activator, followed by composting practice using a 30×30×30 cm bamboo box. A total of 37 waste bank members participated, with an emphasis on practical skill development. The results indicate that participants improved their understanding of organic–inorganic segregation, were able to prepare eco-enzyme, and practiced composting so that decomposed material could be harvested as compost. Key enabling factors included the post-landfill disruption urgency, the waste bank’s institutional support, and simple locally available materials; constraints involved consistent segregation, moisture/aeration control, and the eco-enzyme fermentation period. Simple SOPs, community monitors, and basic indicator recording are recommended to sustain routine adoption. TOSS implementation has the potential to reduce open burning and river dumping, minimize odors and flies, and divert the dominant organic fraction into inputs for home gardening. Compost can be used for household gardens or marketed locally.
Circular Bioeconomy Pathways for High-Value Agricultural Waste Valorization: A Systematic Review Veronika Sriwulantari; Amri Syahardi; Delni Alek Candra; Heri Faisal Harahap; Veronice Veronice
Journal of Agriculture Vol. 5 No. 01 (2026): Research Articles, March 2026
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v5i01.8241

Abstract

Agricultural intensification has increased the volume of residues and by-products generated across farming systems, while conventional disposal practices continue to create environmental burdens. This systematic literature review examines how agricultural waste is converted into higher-value products within a circular bioeconomy framework. Using a PRISMA-based approach and Scopus as the main database, the review screened the literature and synthesized 10 studies that met the final eligibility criteria. The included studies were grouped into four valorization pathways: fuels and energy carriers, biocomposites and bio-based materials, catalysts and functional carbon materials, and biomaterials produced through biotechnological processes. The evidence shows that fuel-oriented pathways, including pelletization, co-combustion, and biogas-based utilization, are the most technologically mature and currently offer the clearest route to scale. Material-based pathways, especially biocomposites and paper substitution, offer greater value addition and resource efficiency, but their industrial expansion remains constrained by processing costs and system integration. Agricultural residues also show strong potential as precursors for catalysts and functional carbon materials for environmental remediation, while fungal bioconversion offers an emerging route for producing protein-rich biomass. Across pathways, the review identifies a recurring trade-off between technological maturity, value addition, and implementation complexity. The main contribution of this review is a cross-pathway synthesis that compares agricultural waste valorization not only by product type, but also by circularity features, readiness, and evidence strength. Future research should prioritize integrated techno-economic assessment, life-cycle assessment, standardized circularity metrics, and pilot-scale validation to support large-scale implementation.
Pemanfaatan Eco Enzyme dalam Proses Biodrying Limbah Gambir (Uncaria Gambir Roxb) pada Kelompok Tani Bunga Gambir di Kecamatan Mungka Rivo Yulse Viza; Veronika Sriwulantari; Rovel Lando Fambari
ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Vol. 4 No. 4 (2025): November 2025
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/abdikan.v4i4.6802

Abstract

Mungka District in Lima Puluh Kota Regency, West Sumatra, is one of the main centers of gambier production that generates a large amount of solid waste from the leaf pressing process. This waste had previously been unmanaged and posed an environmental pollution risk. This community service program aimed to implement bio drying technology based on eco enzym as an environmentally friendly solution to convert gambier pressing waste into value-added organic compost. The program was carried out collaboratively with the Bunga Gambir Farmers Group through training, demonstration, and field mentoring. The partners successfully produced eco enzym from household organic materials and applied it in the bio drying process. The activity resulted in a reduction of waste volume and moisture content by up to 70%, a color change to dark brown, odor reduction, and the formation of semi-mature compost with crumbly texture and no unpleasant odor. The compost product is currently being matured and evaluated for quality before field application. This program improved the knowledge, technical skills, and awareness of the farmers in sustainable waste management and established a practical model for eco enzym–based gambier waste processing that can be replicated in other rural communities.
Co-Authors Amri Syahardi Delni Alek Candra Heri Faisal Harahap Idris Idris Rovel Lando Fambari Veronice Veronice Viza, Rivo Yulse