300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Nymphaea marliac L. [Water Lily]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
|
|
| Arithmetic Mean |
162%
|
|
|
| Standard Error |
76.4%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Idso (1989) |
pots (16.2 liter)
|
54%
|
|
|
|
Idso (1989) |
pots (16.2 liter)
|
|
|
|
|
Idso et al. (1990) |
pots (16.2 liter)
|
270%
|
|
|