300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Leucadendron coniferum (L.) Meisn. [Dune Conebush]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
2
|
2
|
| Arithmetic Mean |
38%
|
0%
|
0%
|
| Standard Error |
14.1%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Midgley et al. (1999) |
open-top chamber, low nutrients
|
58%
|
||
|
Midgley et al. (1999) |
open-top chamber, high nutrients
|
18%
|