300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Avena fatua L. [Wild Oat]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
|
|
| Arithmetic Mean |
53%
|
|
|
| Standard Error |
11.3%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Fredeen and Field (1995) |
Plants grown in PVC tubes in phytocells
|
69%
|
|
|
|
Fredeen et al. (1998) |
open-top chamber
|
37%
|
|
|