300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
For a more detailed description of this table, click here.
Echinochloa crus-galli (L.) Palib. [Barnyard Grass]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
8
|
8
|
8
|
| Arithmetic Mean |
24.4%
|
0%
|
0%
|
| Standard Error |
4.4%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Potvin et al. (1986) |
pots
|
0%
|
||
|
Potvin et al. (1986) |
pots
|
15%
|
||
|
Potvin and Strain (1985) |
pots
|
34%
|
||
|
Sionit and Patterson (1984) |
pots (10-cm)
|
44%
|
||
|
Sionit and Patterson (1985) |
pots (2 liters), adequate water
|
29%
|
||
|
Sionit and Patterson (1985) |
pots (2 liters), low water
|
31%
|
||
|
Zeng et al. (2011) |
Photosynthesis of well watered and fertilized plants grown from transplants under standard paddy culture in a FACE study between 30 and 60 days after transplanting in competition with rice (Oryza sativa)
|
21%
|
||
|
Ziska and Bunce (1997) |
glasshouse
|
21%
|