Percent Photosynthesis (Net CO2 Exchange Rate) Increases for
300, 600 and 900 ppm Increases in the Air's CO2 Concentration:


For a more detailed description of this table, click here.

Hedera helix L. [English Ivy]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
5
5
5
 Arithmetic Mean
0%
8.2%
45.8%
 Standard Error
0%
7.3
19.3%

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Li et al. (2000)

growth chambers, day 2, variegated leaves

97%

Li et al. (2000)

growth chambers, day 2, fully green leaves

97%

Li et al. (2000)

growth chambers, day 40, variegated leaves

31%

Li et al. (2000)

growth chambers, day 40, fully green leaves

4%

Saxe (1986)

pots (11-cm, 6 to 40 plants)

41%


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