Climate change presents serious challenges for the agricultural sector, particularly in maintaining sustainable food production and environmental quality. Heavy reliance on chemical fertilizers contributes to soil degradation and increased greenhouse gas emissions, necessitating environmentally friendly, community-based adaptation strategies. This community service activity aims to increase compost production capacity and strengthen farmer group business management as part of efforts to adapt to climate change. The approach used is a descriptive, quantitative one, with the subjects of the activity being members of partner farmer groups. Implementation methods include socialization, technical training in compost production, compost quality testing through laboratory analysis, field trials on gumitir and mustard greens, and business management assistance, including digital, application-based bookkeeping and intellectual property protection. Instruments used include observation sheets, initial and final tests, and laboratory test results. Data were analyzed using descriptive quantitative analysis. The results showed that the produced compost met, and even exceeded, the SNI 19-7030-2004 standard, with high nutrient content and a neutral pH. The level of participant understanding increased by more than 87%, and there were significant improvements in business management aspects through trademark registration, packaging diversification, and the implementation of digital bookkeeping applications.
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