300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Eragrostis orcuttiana Vasey [Annual Weed, C4]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
1
|
1
|
1
|
| Arithmetic Mean |
-44%
|
0%
|
0%
|
| Standard Error |
0%
|
0
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Smith et al. (1987) |
greenhouse, pots (4 liters)
|
-44%
|