Table 5.
Influence of inoculation with P. bilaiae on maize yield, by state in the large plot trials, 2005–2011, in units of t/ha± SE. 95% confidence intervals are provided
| With I* | Without I* | Deviation | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| State | n | Mean (t/ha ± s.e.) | Lower CI† | Upper CI† | Mean (t/ha ± s.e.) | Lower CI† | Upper CI† | Mean (t/ha ± s.e.) | Lower CI† | Upper CI† |
| All | 369 | 10·4 ± 0·13 | 10·1 | 10·6 | 10·1 ± 0·12 | 9·8 | 10·3 | 0·33 ± 0·026 | 0·03 | 0·51 |
| Minnesota (MD) | 101 | 11·1 ± 0·21 | 10·7 | 11·6 | 10·7 ± 0·21 | 10·3 | 11·1 | 0·44 ± 0·053 | 0·34 | 0·54 |
| Nebraska (NE) | 51 | 12·1 ± 0·29 | 11·4 | 12·6 | 11·7 ± 0·30 | 11·1 | 12·2 | 0·037 ± 0·080 | 0·2 | 0·53 |
| South Dakota (SD) | 72 | 10·1 ± 0·26 | 9·5 | 10·6 | 9·7 ± 0·26 | 9·2 | 10·2 | 0·39 ± 0·053 | 0·29 | 0·5 |
| North Dakota (ND) | 46 | 8·9 ± 0·22 | 8·5 | 9·3 | 8·5 ± 0·22 | 8·1 | 9 | 0·37 ± 0·074 | 0·2 | 0·5 |
*
Inoculated.
†
Confidence interval.