300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Erica tetralix L. [Crossleaf Heath]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
4
|
|
|
| Arithmetic Mean |
23.8%
|
|
|
| Standard Error |
10.5%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Arp et al. (1998) |
greenhouse, low water, low nitrogen
|
7%
|
|
|
|
Arp et al. (1998) |
greenhouse, low water, high nitrogen
|
46%
|
|
|
|
Arp et al. (1998) |
greenhouse, high water, low nitrogen
|
-1%
|
|
|
|
Arp et al. (1998) |
greenhouse, high water, high nitrogen
|
43%
|
|
|