To provide a year round culture system capable of efficiently producing vegetable having consistent quality over whole year regardless of a season, even in a plant factory which employs soil culture method.SOLUTION: There is provided the year round culture system comprising: a temperature control bed for performing temperature control by circulating a solvent; solvent circulation means for circulating the solvent to the temperature control bed; a buffer material which is mounted on a solvent surface of the temperature control bed; a soil culture container which is mounted on the buffer material; and an engagement part for fixing the soil culture container. The solvent circulation means adjusts a flow rate of the solvent in the temperature control bed, for forming a space between a bottom face of the soil culture container and the buffer material, in the year round culture system.SELECTED DRAWING: Figure 1
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