Table 3.
Percentage increase in crop production estimated from 1980 to 2011 if the ozone index W126 had been 0 instead of the measured historical values
| Crop | Mean, % | 95% confidence limits from bootstrapping, % |
| Soybean | 5.5 | 3.3–7.7 |
| Maize | 9.8 | 8.0–11.6 |
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