<![CDATA[Climate change has become one of the major challenges affecting agricultural productivity and sustainability. To support climate change adaptation, the Indonesian Agency for Agricultural Research and Development developed the Integrated Cropping Calendar Information System (ICCIS). However, the success of technological innovation is determined not only by its technical quality but also by users’ perceptions of innovation characteristics. This study aimed to analyze the relationship between innovation characteristics and the adoption of ICCIS among agricultural extension workers in Riau Province. The research was conducted in Siak Regency and Kepulauan Meranti Regency involving 44 agricultural extension workers as respondents. A quantitative approach supported by qualitative data was employed. Data were analyzed using descriptive statistics and Spearman Rank Correlation. The results showed that relative advantage, compatibility, complexity, observability, and trialability were significantly related to ICCIS adoption. Trialability and observability exhibited the strongest relationships with extension workers’ understanding and utilization of ICCIS. The findings indicate that innovations perceived as easy to try and whose benefits can be directly observed are more likely to be adopted. This study contributes to the diffusion of innovation literature by demonstrating the importance of innovation characteristics in promoting agricultural information technology adoption among extension workers. Strengthening practical demonstrations and improving system accessibility are recommended to increase ICCIS adoption.]]>
