300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Festuca ovina L. [Sheep Fescue]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
6
|
|
|
| Arithmetic Mean |
47.7%
|
|
|
| Standard Error |
16.6%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Cotrufo and Gorissen (1997) |
growth chambers, first harvest,low nitrogen
|
131%
|
|
|
|
Cotrufo and Gorissen (1997) |
growth chambers, first harvest,high nitrogen
|
66%
|
|
|
|
Cotrufo and Gorissen (1997) |
growth chambers, second harvest,low nitrogen
|
20%
|
|
|
|
Cotrufo and Gorissen (1997) |
growth chambers, second harvest,high nitrogen
|
24%
|
|
|
|
Hunt et al. (1991) |
pots (1 liter)
|
20%
|
|
|
|
Hunt et al. (1995) |
glasshouse, high nutrients
|
25%
|
|
|