300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Festuca rupicola [Fescue]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
|
|
| Arithmetic Mean |
112.5%
|
|
|
| Standard Error |
54.1%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Nadas et al. (2008) |
Photosynthesis of plants growing in monoliths extracted from a grassland and transplanted into open-top chambers, where they were exposed to differential atmospheric CO2 for 15 months
|
36%
|
|
|
|
Szente et al. (1998) |
Plants grown for 231 days in open-top chambers
|
189%
|
|
|