Percent Dry Weight (Biomass) Increases for
300, 600 and 900 ppm Increases in the Air's CO2 Concentration:


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Pteris vittata [Ladder Brake]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
3
 
 
 Arithmetic Mean
38.3%
 
 
 Standard Error
6.9%
 
 

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Zheng et al. (2008)

Fronds of well watered and fertilized three-week-old plants grown from rhizome cuttings for 20 more days in pots containing 1 kg of local topsoil with no copper (Cu) contamination (0 mg Cu/kg soil), while exposed to CO2 enrichment from only 08:00 to 11:00 a.m. on days that were sunny
22%

 

 

Zheng et al. (2008)

Fronds of well watered and fertilized three-week-old plants grown from rhizome cuttings for 20 more days in pots containing 1 kg of local topsoil contaminated with copper (Cu) at 50 mg Cu/kg soil, while exposed to CO2 enrichment from only 08:00 to 11:00 a.m. on days that were sunny
43%

 

 

Zheng et al. (2008)

Fronds of well watered and fertilized three-week-old plants grown from rhizome cuttings for 20 more days in pots containing 1 kg of local topsoil contaminated with copper (Cu) at 150 mg Cu/kg soil, while exposed to CO2 enrichment from only 08:00 to 11:00 a.m. on days that were sunny
50%

 

 

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