Treatment | Ambient Seed Yield (g m−2) | Treatment Seed Yield (g m−2) | % Yield Decrease | Ambient PPN | Treatment PPN | PPN p-value | PPN d.f. | Optimal α | Optimal β |
---|---|---|---|---|---|---|---|---|---|
Drought | 337.7 ± 15.9 | 251.8 ± 34.0 | 25.4 | 3.4 ± 0.3 | 2.7 ± 0.1 | 0.181‡ | 2 | 0.38 | 0.40 |
Elevated [O 3 ] | – | – | – | 3.4 ± 0.2 | 2.8 ± 0.2 | 0.120‡ | 3 | 0.33 | 0.39 |
Elevated Temperature | 373.6 ± 15.2 | 297.2 ± 17.9 | 20.5 | 3.3 ± 0.2 | 3.0 ± 0.1 | 0.144‡ | 3 | 0.33 | 0.39 |