Analysis of the extension program design for utilizing arabica coffee husk waste as compost in Siempat Rube District, Pakpak Bharat Regency
Abstract
Arabica coffee husk waste in Siempat Rube District, Pakpak Bharat Regency, has generally not been processed into compost using proper composting procedures. This study aimed to identify regional potential and farmers’ problems, describe the extension program design, assess farmers’ acceptance of its components, and describe farmers’ knowledge and attitudes regarding the utilization of Arabica coffee husk waste as compost. The study was conducted from March to May 2026 using a descriptive quantitative approach. Regional Potential Identification (IPW) used field observation and interviews with agricultural extension workers and coffee farmers, followed by preparation and implementation of the extension program. A total of 57 farmers from six farmer groups participated. Data were analyzed descriptively using acceptance scores, pre-test and post-test knowledge scores, and a Likert scale for attitudes. Overall acceptance of the extension design was 86.97%. Knowledge score attainment increased from 42.10% before the extension to 80.00% afterward, a difference of 37.90 percentage points. The post-extension attitude score was 82.69%, categorized as agree. These findings describe farmers’ acceptance and responses after the activity; actual adoption and long-term effects were not assessed.
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