300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Linum usitatissimum L. [Common Flax] in mixed stands with Silene cretica
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
|
|
| Arithmetic Mean |
63.5%
|
|
|
| Standard Error |
15.9%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Arnone and Kestenholz (1997) |
growth chamber, no root competition
|
86%
|
|
|
|
Arnone and Kestenholz (1997) |
growth chamber, root competition
|
41%
|
|
|