A study on low carbon society by the agricultural and manufacturing system using CO2 hydrate technique

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In this research, a plant factory system using CO2 hydrate has been considered. We conducted an experiment with Japanese mustard spinach in the plant factory for five days in each humidity, temperature and CO2 concentration condition. As a result, we demonstrated that Japanese mustard spinach could be grown in the plant factory system by using CO2 hydrate and found out that humidity control is vital for the plant growth. We also showed that this system could enhance the growth of the plant. In order to use the system mentioned in this study in the practice, larger trials are needed to consider the feasibility of plant factory system using solar light and commercial-scale operation.On the other hand, the freshness preservation in the fruit and vegetables by CO2 hydrate technology was considered. Although x-ray diffraction intensity changed with the kind and reaction conditions of fruit and vegetables, the diffraction peak of CO2 hydrate origin was accepted.