300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Nymphaea marliac L. [Water Lily]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
3
|
|
|
Arithmetic Mean |
39.7%
|
|
|
Standard Error |
12.4%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Allen et al. (1990) |
pots (16.2 liter), 10?C
|
10%
|
|
|
Allen et al. (1990) |
pots (16.2 liter), 33?C
|
60%
|
|
|
Idso et al. (1990) |
Plants in 17-l pots in sunken metal stock tanks within open-top chambers
|
49%
|
|
|