<紀要論文>
A METHOD FOR REDUCING THE INFRARED RADIATION OR CHANGING THE SPECTRAL DISTRIBUTION OF SUNLIGHT IN GREENHOUSES

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概要 Leaf and room temperature within a greenhouse irradiated with sunlight was controlled by using an infrared absorption layer of copper salts or water. Greenhouses made of acryl plates, which are used t...o reduce heat loss during winter, provided a practical system for testing the effect of infrared absorbing solutions. It was also possible to provide CO_2 enrichment during the entire light period in greenhouses with this type of cooling system, because it was not necessary to ventilate them. Both the leaf and the room temperatures could be reduced in these greenhouses as compared with conventional type greenhouses. Tomato and lettuce plants were increased in growth and yield. Flower initiation and quality of other crops were also enhanced.続きを見る

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登録日 2009.04.22
更新日 2015.11.09