300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Luehea seemannii Tr. & Planch.
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
|
|
| Arithmetic Mean |
20%
|
|
|
| Standard Error |
2.1%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Lovelock et al. (1998) |
Seedlings grown for six months in open-top chambers over poor soil
|
17%
|
|
|
|
Lovelock et al. (1999) |
open-top chambers
|
23%
|
|
|