BISI 18 is a leading hybrid maize variety widely adopted by farmers owing to its high productivity. Nevertheless, farmers’ decisions to adopt this variety at the farm level are not driven solely by its agronomic superiority, but are also shaped by farmers’ internal conditions, namely the availability of capital, the extent of land tenure, accumulated farming experience, and the adequacy of labor. This study examines the influence of these four factors on farmers’ decisions to choose BISI 18 maize in Sawentar Village, Kanigoro Subdistrict, Blitar Regency, and identifies the most dominant factor. An associative quantitative approach was employed through a census (saturated sampling) of all 43 farmers as the population. Primary data were gathered through Likert-scale questionnaires, interviews, and field observation, and subsequently processed using multiple linear regression in SPSS following validity, reliability, and classical assumption tests, with significance assessed through the t-test, F-test, and coefficient of determination (R²). The results indicate that capital, land area, farming experience, and labor exert a significant partial and simultaneous influence on farmers’ decisions, with an Adjusted R Square of 0.958, meaning the model explains 96.2% of the variation in farmers’ decisions. Among the four factors, capital emerges as the most dominant determinant, evidenced by a standardized beta coefficient of 0.638.
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