300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Arrhenatherum elatius (L.) J.& K. Presl. [Tall Oatgrass]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
7
|
|
|
| Arithmetic Mean |
18.6%
|
|
|
| Standard Error |
9.6%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Arp et al. (1998) |
greenhouse, low nitrogen
|
-6%
|
|
|
|
Arp et al. (1998) |
greenhouse, low water, low nitrogen
|
-9%
|
|
|
|
Arp et al. (1998) |
greenhouse, low water, high nitrogen
|
62%
|
|
|
|
Arp et al. (1998) |
greenhouse, high water, low nitrogen
|
-5%
|
|
|
|
Arp et al. (1998) |
greenhouse, high water, high nitrogen
|
42%
|
|
|
|
Hunt et al. (1991) |
pots (1 liter)
|
15%
|
|
|
|
Hunt et al. (1995) |
glasshouse, high nutrients
|
31%
|
|
|