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The results showed that the application of biocompost inoculated with phosphatesolubilizing microbes (PSM), arbuscular mycorrhizal fungi (AMF) and Bradyrhizobium improved the soil quality which resulted to increased growth, yield and quality of soybeans. The optimum doses of biocompost in Beringin Raya Village was: 7.08 ton ha-1 which resulted in a 89.99% root infection,(2) 12.41 ton ha-1 which produced a total of 290 g of grains per plant, 14.51 ton ha-1 which produced 32.47 g of grains per plant, and 13.15 ton ha-1 which produced 1.94 kg of grains per plot. The optimum doses of biocompost in Lempuing Village were 10.5 tons ha-1 which resulted to 91.8% root infection, 11.74 ton ha-1 which produced 29.94 g of grains per plant, and 11.86 ton ha-1 which produced 1.80 kg of grains per plot.