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


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Sanguisorba minor Scop. [Small Burnet]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
5
5
5
 Arithmetic Mean
31.6%
0%
0%
 Standard Error
4%
0
0%

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Bryant et al. (1998)

FACE, pre-cut
27%

Bryant et al. (1998)

FACE, post-cut
48%

Ferris and Taylor (1995)

growth chambers, watered
26%

Ferris and Taylor (1995)

growth chambers, unwatered
23%

Niklaus and Korner (2004)

In situ screen-aided CO2 control (SACC) study of a temperate calcareous grassland community in May of the third year of the experiment
34%


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