300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Carya ovata (P. Mill.) K. Koch [Shagbark Hickory]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
1
|
1
|
1
|
| Arithmetic Mean |
35%
|
0%
|
0%
|
| Standard Error |
0%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Williams et al. (1986) |
pots (8.2 liter)
|
35%
|