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| Tile Treatment | Yield (bu/acre) | Statistical Contrasts | Prob.>F |
|---|---|---|---|
| Over 30' tiles | 69.1 |
120' vs others |
NS |
| Between 30' tiles | 71.5 |
30' vs 60' |
** |
| Over 60' tiles | 74.3 |
Over vs Between |
NS |
| Between 60' tiles | 74.0 |
Interaction |
NS |
| Between 120' tiles | 71.3 |