300, 600 and 900 ppmIncreases in the Air's CO2 Concentration:
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Picea glauca [White Spruce]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
1
|
1
|
1
|
| Arithmetic Mean |
197%
|
0%
|
0%
|
| Standard Error |
0%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Dang et al. (2008) |
Photosynthesis of well watered and fertilized one-year-old seedlings grown in greenhouses for 90 more days
|
197%
|