| abstract |
[PROBLEMS] To propagate soil fungi and actinomycetes in an aqueous organic acid solution, extract cesium from the soil, and decontaminate agricultural land. Provide a dyeing method. [Solution] A soil decontamination method for farmland utilizing the organic acid and filamentous fungi / actinomycetes biofilm of the present invention is 0.1 to 50.0%, preferably 0.1 to 0.05% in soil contaminated with radioactive cesium. Soak 10.0% lactic acid, citric acid, malic acid, tartaric acid, acetic acid, gluconic acid, oxalic acid, fumaric acid, succinic acid, mugineic acid, glycolic acid, or an aqueous solution mixed with them, A biofilm mainly composed of filamentous fungi and actinomycetes is formed on the surface, and the biofilm is peeled off to remove cesium that is easily absorbed by plants from the soil. [Selection] Figure 1 |