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

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Sempervivum tectorum L. [Common Houseleek]

300 ppm
600 ppm
900 ppm
 Number of Results
 Arithmetic Mean
 Standard Error

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Thomas et al. (1987)

roots in nutrient solution



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