Table 5.
ANOVA results: effects of year, region, previous crop, cultivar resistance, use of fungicides against FHB and soil cultivation on DON concentrations in wheat in the Netherlands (n = 293), (* <0.05)
| Degrees of freedom | F value | P value | % variance explained | |
|---|---|---|---|---|
| Year | 7 | 17.37 | 0.0000* | 28.5 |
| Region | 3 | 10.61 | 0.0000* | 7.5 |
| Year and region | 19 | 1.91 | 0.0144* | 8.5 |
| Previous crop | 2 | 1.37 | 0.2552 | 0.6 |
| Soil cultivation | 1 | 2.98 | 0.0853 | 0.7 |
| Previous crop and soil cultivation | 2 | 0.51 | 0.6016 | 0.2 |
| Use of fungicides | 1 | 0.83 | 0.3636 | 0.2 |
| Cultivar resistance | 3 | 1.18 | 0.3180 | 0.8 |
| Residuals | 226 | 53.0 |