This study aims to analyze external factors influencing farmers’ responses to the use of Ireng-ireng fertilizer in rice farming in Wuluhan District, Jember Regency. Three external indicators were examined: expected benefits, time required to obtain benefits, and the magnitude of sacrifices incurred. Primary data were collected from 80 farmers and analyzed using Likert-scale tabulation. The results show that 81% of farmers perceived significant benefits, 50% stated that the benefits appeared within a similar time frame as other fertilizers, and 89% considered the sacrifices incurred to be proportional or lower than the benefits gained. These findings indicate that Ireng-ireng fertilizer is perceived as efficient, feasible, and compatible with farmers’ cultivation practices, thus supporting its potential acceptance and sustainable use.
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