300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Polygonum persicaria L. [Spotted Ladysthumb]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
|
|
| Arithmetic Mean |
38%
|
|
|
| Standard Error |
9.2%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Farnsworth and Bazzaz (1995) |
glasshouse, vegetative mass
|
51%
|
|
|
|
Farnsworth and Bazzaz (1995) |
glasshouse, fruit weight
|
25%
|
|
|