<![CDATA[Shallot productivity in various regions still faces challenges such as suboptimal growing media quality and pest infestations. One potential solution is the use of Trichoderma sp., a biological agent known to suppress soil pathogens while enhancing plant growth. The research was conducted in the plant laboratory, Tabanan University, from May to July 2024. The treatment used a Randomized Block Design. Two factors were tried, namely Planting Media (M), namely: M1 (soil, sand, and manure), M2 (soil, rice husk charcoal, and manure), M3 (soil, rice husk, and manure). The second factor was the Dose of Trichoderma sp. (T), namely: T0 (0 g polybag-1), T1 (10 g polybag-1), T2 (20 g polybag-1), and T3 (30 g polybag-1). It was repeated three times, so there were 36 experimental units. The results showed no significant interaction between the two treatments on any of the observed parameters. The use of the M2 growing medium resulted in a fresh tuber weight of 17.02 g and a dry tuber weight of 0.58 g, respectively, an increase of 16.02% and 61.11% compared to the M1 growing medium. A 20 g dose of Trichoderma sp. in polybag-1 resulted in a fresh tuber weight of 22.57 g per clump-1 and a dry tuber weight of 0.79 g per clump-1, an increase of 11.73% and 41.07% compared to the treatment without Trichoderma sp. (T0).]]>
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