300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Polygoum persicaria [Spotted Lady's Thumb]
300 ppm
|
600 ppm
|
900 ppm
|
|
Number of Results |
2
|
|
|
Arithmetic Mean |
-2.5%
|
|
|
Standard Error |
1.8%
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
Sudderth and Bazzaz (2008) |
Photosynthesis of well watered plants in 2.5-L pots containing a 2:1 mixture of Promix:sand with low soil nitrogen (N) content growing within environmentally-controlled greenhouse zones
|
0%
|
|
|
Sudderth and Bazzaz (2008) |
Photosynthesis of well watered plants in 2.5-L pots containing a 2:1 mixture of Promix:sand with high (=3 x low) soil nitrogen (N) content growing within environmentally-controlled greenhouse zones
|
-5%
|
|
|