300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Festuca pratensis Hudson [Meadow Fescue]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
2
|
|
|
Arithmetic Mean |
34.5%
|
|
|
Standard Error |
1.8%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Hakala et al. (1999) |
open-top chambers, ambient temperature
|
37%
|
|
|
Hakala et al. (1999) |
open-top chambers, ambient + 3° C temperature
|
32%
|
|
|