300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Bromus mollis [Soft Brome]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
2
|
|
|
Arithmetic Mean |
53.5%
|
|
|
Standard Error |
2.5%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Larigauderie et al. (1988) |
pots (0.75 liters), low nitrogen
|
50%
|
|
|
Larigauderie et al. (1988) |
pots (0.75 liters), high nitrogen
|
57%
|
|
|