300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Scirpus robustus [Sedge]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
2
|
|
|
Arithmetic Mean |
60%
|
|
|
Standard Error |
10.6%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Pearcy and Ustin (1984) |
pots (7 x 30 cm)
|
45%
|
|
|
Pearcy and Ustin (1984) |
salt-stressed
|
75%
|
|
|