300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Phalaris aquatica L. [Harding Grass]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
2
|
2
|
| Arithmetic Mean |
39.5%
|
0%
|
0%
|
| Standard Error |
17.3%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Greer et al. (2000) |
controlled environment chambers, 18°C
|
15%
|
||
|
Greer et al. (2000) |
controlled environment chambers, 28°C
|
64%
|