300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Puccinellia nuttalliana (J.A. Schultes) A.S. Hitchc. [Nuttall's Alkaligrass]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
|
|
1
|
| Arithmetic Mean |
|
|
90%
|
| Standard Error |
|
|
0%
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Guy and Reid (1986) |
pots
|
|
|
90%
|