300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Vaccinium myrtillus L. [Whortleberry]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
2
|
|
|
| Arithmetic Mean |
47%
|
|
|
| Standard Error |
9.2%
|
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Beerling and Woodward (1996) |
controlled environment greenhouse, July
|
34%
|
|
|
|
Beerling and Woodward (1996) |
controlled environment greenhouse, September
|
60%
|
|
|