300, 600 and 900 ppm Increases in the Air's CO2 Concentration:
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Vigna unguiculata (L.) Walp. [Blackeyed Pea]
|
300 ppm
|
600 ppm
|
900 ppm
|
|
| Number of Results |
4
|
1
|
|
| Arithmetic Mean |
77%
|
100%
|
|
| Standard Error |
10.8%
|
0
|
|
|
Experimental Conditions
|
300 ppm
|
600 ppm
|
900 ppm
|
|
|
Bhattacharya et al. (1985) |
pots (3.7 liter), growth chambers
|
113%
|
100% |
|
|
Morison and Gifford (1984) |
pots (3.2 kg soil)
|
74%
|
|
|
|
Overdieck et al. (1988) |
pots (1 liter), growth chamber
|
64%
|
|
|
|
Singh et al. (2010) |
Well watered and fertilized plants grown from seed in pots filled with fine sand placed within soil-plant-atmosphere-research (SPAR) units at Mississippi State University (USA), with CO2 enrichment from 8 days after planting for 18 additional days
|
57%
|
|
|