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All Journal Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat
Kerista Tarigan
Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry Law, Crime, Criminology & Criminal Justice Social Sciences

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From Research to Community Impact: Implementing Liquid Complementary Fertilizer Innovation to Promote Sustainable Agriculture in Narumonda III Village Rikson Asman Fertiles Siburian; Kerista Tarigan; Tulus Joseph Herianto; Andrew Satria Lubis; Jonathan Liviera Marpaung
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 11 No. 1 (2026): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/abdimastalenta.v11i1.24718

Abstract

Rural agricultural communities in Indonesia face persistent challenges, including dependence on chemical fertilizers, declining soil quality, and increasing production costs. Limited adoption of research-based innovations further constrains sustainable farming practices. This community service program aimed to implement and evaluate a liquid complementary fertilizer innovation through a participatory Focus Group Discussion (FGD) approach in Narumonda III Village, Toba Regency. The program applied participatory methods consisting of pre-test and post-test assessments, FGD sessions, farmer training, field demonstrations, and collaboration with an industry partner, with active community involvement throughout the process. Results showed improved farmer knowledge of sustainable fertilization and nutrient management, along with positive acceptance of the liquid complementary fertilizer. Participants recognized its potential to reduce input costs, improve soil quality, and enhance crop productivity. The program also strengthened collaboration among the university, local community, and industry partner, supporting effective knowledge transfer. These findings indicate that FGD-based community engagement is effective in disseminating agricultural innovation and supporting sustainable rural development.
Liquid Smoke-Based Pest and Disease Control for the Sekar Wangi Farmer Group in Padang Cermin Village, Selesai District, Langkat Regency Kerista Tarigan; Rikson Asman Fertiles Siburian; Tua Raja Simbolon; Leo Ferdinan Hermando Hutabarat; Dewi Jernita Hulu; Natalia Lawolo; Jois Domini; Ramona Sefaca Situmorang
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 11 No. 1 (2026): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/abdimastalenta.v11i1.26139

Abstract

The excessive use of synthetic pesticides remains one of the major challenges in developing environmentally friendly agriculture. This community service program aimed to improve the knowledge and skills of members of the Sekar Wangi Farmer Group in producing and applying liquid smoke as a botanical pesticide. The activity was conducted in Padang Cermin Village, Selesai District, Langkat Regency, involving 20 active farmer group members. The methods included counseling, hands-on training on liquid smoke production through coconut shell pyrolysis, field demonstrations, mentoring, monitoring, and evaluation using pre-test and post-test instruments. The results showed a significant increase in participants’ understanding and practical skills. The average level of knowledge increased from 58% before the training to 89% after the activity. Participants were able to independently produce liquid smoke and apply it as an alternative pest and disease control agent. The program also resulted in a simple standard operating procedure (SOP) for liquid smoke production and application. The activity contributed to reducing dependence on synthetic pesticides while encouraging the utilization of local biomass waste and sustainable agricultural practices.
Co-Authors Andrew Satria Lubis Dewi Jernita Hulu Jois Domini Jonathan Liviera Marpaung Leo Ferdinan Hermando Hutabarat Natalia Lawolo Ramona Sefaca Situmorang Rikson Asman Fertiles Siburian Tua Raja Simbolon Tulus Joseph Herianto