300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Vaccinium myrtillus L. [Whortleberry]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
6
|
|
|
Arithmetic Mean |
60.7%
|
|
|
Standard Error |
10%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Arp et al. (1998) |
greenhouse, low nitrogen
|
82%
|
|
|
Arp et al. (1998) |
greenhouse, high nitrogen
|
88%
|
|
|
Arp et al. (1998) |
greenhouse, low water, low nitrogen
|
13%
|
|
|
Arp et al. (1998) |
greenhouse, low water, high nitrogen
|
67%
|
|
|
Arp et al. (1998) |
greenhouse, high water, low nitrogen
|
50%
|
|
|
Arp et al. (1998) |
greenhouse, high water, high nitrogen
|
64%
|
|
|