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


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

Populus deltoides Bartr. [Eastern Cottonwood]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
7
 
3
 Arithmetic Mean
53.7%
 
96%
 Standard Error
13.6%
 
0%

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Barron-Gafford et al. (2005)

Aboveground biomess of well watered and fertilized trees grown from cuttings in bays of the Biosphere 2 Laboratory that were coppiced at the ends of the first and second growing seasons but not thereafter; after 4 years
21%

 

96%

Barron-Gafford et al. (2005)

Belowground biomess of well watered and fertilized trees grown from cuttings in bays of the Biosphere 2 Laboratory that were coppiced at the ends of the first and second growing seasons but not thereafter; after 2 years
27%

 

96%

Kudeyarov et al. (2006)

Plants grown from cuttings from late April 2002 to late December 2003 in a silty clay soil placed within cylindrical containers 110 cm high and 150 cm in diameter located within separate compartments of the Biosphere 2 facility at Oracle, Arizona (USA)
99%

 

 

Lewis et al. (2010)

Well watered and fertilized plants -- but variably with respect to phosphorus (P = 0.004 mM P as KH2PO4) -- grown from rooted nursery cuttings for ten weeks in pots filled with a 2:1 sand:gravel mix in 3.5-liter pots within controlled-environment chambers
6%

 

 

Lewis et al. (2010)

Well watered and fertilized plants -- but variably with respect to phosphorus (P = 0.5 mM P as KH2PO4) -- grown from rooted nursery cuttings for ten weeks in pots filled with a 2:1 sand:gravel mix in 3.5-liter pots within controlled-environment chambers
69%

 

 

Rae et al. (2007)

Biomass (as approximated from stem volume data) of plants grown from cuttings for 152 days in John Innes no. 2 compost (lime free) in plastic tubes (91 cm high, 15 cm diameter) buried to a depth of 10 cm out-of-doors in open-top chambers
105%

 

 

Rosentiel et al. (2003)

Aboveground biomess of trees growing in Biosphere 2 facility maintained for one year in CO2-enriched air
49%

 

96%

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