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Diurnal Variations of C0₂ Concentration in Sandy Field Cultivated Flower Bulbs

By Yoshichika Takeuchi and Masao Toyama


The diurnal changes in the behavior of CO₂ concentration in tulip,lycoris and daffodil communities which were cultivated in a sandy field were investigated at various heights,from the sand surface to 4m. The CO₂ concentration in the tulip community was about 365ppm on a night with only a slight wind. The difference between the surface and the 4m height was about 35ppm. However on a windy night the difference was only 2-3ppm. This tendency was also shown in the lycoris and daffodil communities. The changing range of CO₂ concentration difference between 10cm and 4m in the daffodil field was very little on a windy day,but on a day with only a slight wind the range was very great,being 29ppm

Publisher: 鳥取大学農学部砂丘利用研究施設.
Year: 2020
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