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Table 2
Sunflower yield variation for a range of experimental studies controlling [CO2] variation.
| Reference | [CO2] conditions (ppm) | CO2 experimental design | Shoot biomass variation with eCO2 | Yield variation with eCO2 |
|---|---|---|---|---|
| Vanaja et al. (2011) | 380–700 | Open top chambers | +24% (well-watered) +49% (water stressed) |
n.a. |
| Pal et al. (2014) | 370–550 | Open top chambers (field) | +61% to +68% (2 varieties) | +35% to +46% (2 varieties) |
| Srinivasarao et al. (2016) | 380–550–700 | Open top chambers (field) | +32% (700 ppm) +42% (550 ppm) |
n.a. |
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