300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Betula platphylla var japonica [Japanese White Birch]
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300 ppm
|
600 ppm
|
900 ppm
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|
| Number of Results |
8
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|
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| Arithmetic Mean |
30.4%
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|
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| Standard Error |
11.9%
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Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
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Hoshika et al. (2012) |
Well watered and fertilized two-year-old seedlings grown from July to October out-of-doors in 7-L pots within open-top chambers in the Sapporo Experimental Forest of Hokkaido University in northern Japan without (-) 60 nmol O3 per mol air during daytime hours
|
13%
|
|
|
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Hoshika et al. (2012) |
Well watered and fertilized two-year-old seedlings grown from July to October out-of-doors in 7-L pots within open-top chambers in the Sapporo Experimental Forest of Hokkaido University in northern Japan with (+) 60 nmol O3 per mol air during daytime hours
|
21%
|
|
|
|
Kitao et al. (2005) |
Two-year-old seedlings grown for 45 days in pots in a natural-daylight phytotron at low soil nitrogen levels (100 mg/plant)
|
4%
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|
|
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Kitao et al. (2005) |
Two-year-old seedlings grown for 45 days in pots in a natural-daylight phytotron at high soil nitrogen levels (700 mg/plant)
|
30%
|
|
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Kitao et al. (2007) |
One-year-old seedlings growing within a phytotron in 1.5-L pots filled with a clay loam soil mixed with pumice soil when WET (watered daily with 100 ml of water or nutrient solution)
|
9%
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Kitao et al. (2007) |
One-year-old seedlings growing within a phytotron in 1.5-L pots filled with a clay loam soil mixed with pumice soil when DRY (watered weekly with 100 ml of nutrient solution)
|
18%
|
|
|
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Watanabe et al. (2016) |
Two-year-old seedlings grown for five additional years in a FACE study in northern Japan in air of ambient CO2 (370 ppm) and enriched CO2 (500 pm)
|
32%
|
|
|
|
Watanabe et al. (2016) |
Two-year-old seedlings grown for five additional years in a FACE study in northern Japan in air of ambient CO2 (370 ppm) and enriched CO2 (500 pm)
|
116%
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