300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Prunus serotina Ehrh. [Black Cherry]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
|
|
| Arithmetic Mean |
42%
|
|
|
| Standard Error |
1.4%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Bazzaz et al. (1990) |
1-liter pots in a greenhouse
|
40%
|
|
|
|
Loats and Rebbeck (1999) |
growth chambers
|
44%
|
|
|