Field trial
Red oak – growth and root mass
Less clear-cut than the pedunculate oak trial. Treatment B falls below the control on leaf area, while on root mass B outperforms A instead.
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| Measure | A | B | C (control) |
|---|---|---|---|
| Relative growth (% of C) | 156 | 113 | 100 |
| Diameter (cm) | 3.3 | 2.8 | 2.6 |
| Leaf area (cm²) | 255 | 214 | 225 |
| Root mass (% of C) | 167 | 302 | 100 |
We report this trial even where the outcome is less clear-cut than in the pedunculate oak trial, for the same reason we show everything else: a compilation you can't trust if it only shows what went well.