300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Betula nigra [River Birch]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
1
|
1
|
|
| Arithmetic Mean |
40%
|
50%
|
|
| Standard Error |
0%
|
0
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Gu et al. (2008) |
Photosynthesis of well watered and fertilized plants growing in a commercial potting mix in 3.8-liter pots. Measurements made of fifth leaf on 1.2-m height plants as the air's CO2 concentration was varied by 100 ppm every 15 minutes
|
40%
|
50% |
|