On the commercial greenhouse cultivation of the mushroom, the mushroom bed that molded powder of wood is used for the growth of the mushroom and it is disposed after use. While the mushroom bed includes the water which is necessary to bring up a mushroom in large quantities, it is difficult to treat just by incineration and holds a problem for processing. It is used for warehouse charges for compost and cattle farmers as means of the utilization of the disposed mushroom bed. There is not enough demand to utilize all mushroom beds and more than 300,000 tons of mushroom bed is left without treatment in disposal space in Japan by a year. LCA case study is tried about fuelization process of disposed mushroom bed, in this study.
