This study aims to assess the application of biological agents to enhance rice productivity in the lowland swamp areas of Pemulutan District, Ogan Ilir Regency, South Sumatra. Employing a qualitative research methodology with a field research approach, data were gathered through direct observation and informant interviews. The findings indicate a significant in-crease in the utilization of biological agents for boosting rice yields in the specified region. Specifically, harvested yields from a demonstration plot averaged 8.1 tons per hectare, totaling 24.3 tons across 3 hectares. This represents a 15.1 percent per hectare increase compared to 2022 production figures, which recorded 5.4 tons per hectare (16.2 tons for 3 hectares) using the same rice varieties, Ciherang and IR 42. The improvement in rice production is attributed not only to the application of biological agents but also to the systematic implementation of planning, organization, mobilization, and monitoring by ob-servers, plant pest controllers, extension workers, and farmers
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