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All Journal Andalasian International Journal of Agricultural and Natural Sciences Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi
Heri Faisal Harahap
Politeknik Pertanian Negeri Payakumbuh
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Electrical & Electronics Engineering Engineering Health Professions Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Transportation Veterinary

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Determinants of Coffee Farmers’ Income: The Role of Land Area and Production Volume in Pargarutan Jae Village Naimatul Lubis; John Nefri; Heri Faisal Harahap; Reza Mardiyah Amir
Andalasian International Journal of Agriculture and Natural Sciences (AIJANS) Vol. 6 No. 1 (2025)
Publisher : Lembaga Penelitian dan Pengabdian, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijans.v6.i1.16-25.2025

Abstract

This study aims to analyze the effect of production land area on the income of coffee farmers in Pargarutan Jae Village, South Tapanuli Selatan. The method used is a quantitative approach involving 109 coffee farmer respondents selected using the accidental sampling method. Data were collected through questionnaires, observations, and documentation, then analyzed using Structural Equation Modeling Partial Least Square (SEM PLS). The results show that the production land area has a significant influence on increasing coffee production, which in turn positively impacts farmers’ income. The majority of farmers have a last education level of vocational high school/general senior high school and are in productive age, with most incomes at the lower-middle level. The validity and reliability of the research instruments have been well tested, with loading factor and AVE values meeting the criteria for convergent and discriminant validity. These findings indicate that managing and increasing the production land area is a key factor in improving the welfare of coffee farmers in the area.
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.
Co-Authors Idris Idris John Nefri Naimatul Lubis Reza Mardiyah Amir Veronika Sriwulantari