Table 6.
Results of the tobit regression model applied to the data set. DAA = days after application. For seed variants see Table 2.
| Estimate | Standard error | Z value | Pr (>|z |) | ||
|---|---|---|---|---|---|
| Intercept 1 | 3.08535 | 1.95111 | 1.583 | 0.113803 | |
| Intercept 2 | 2.94896 | 0.01703 | 173.200 | < 2e−16 | *** |
| DAA | −0.13532 | 0.01526 | −8.865 | < 2e−16 | *** |
| Temperature | −0.28538 | 0.10057 | −2.838 | 0.004544 | ** |
| Precipitation | 0.02775 | 0.13399 | 0.207 | 0.835952 | |
| 2010 vs 2011 | 2.62003 | 0.73538 | 3.563 | 0.000367 | *** |
| Seed-2 | −0.46058 | 1.35074 | −0.341 | 0.733115 | |
| Seed-3 | 8.48015 | 1.48073 | 5.727 | 1.02e−08 | *** |
| Seed-4 | 5.82434 | 1.54565 | 3.768 | 0.000164 | *** |
| Seed-5 | 10.50377 | 1.45531 | 7.218 | 5.29e−13 | *** |
| Seed-6 | 8.18476 | 1.46982 | 5.569 | 2.57e−08 | *** |
| Seed-7 | −0.87533 | 1.43983 | −0.608 | 0.543230 | |
| Seed-8 | 12.16796 | 1.45240 | 8.378 | < 2e−16 | *** |
| Seed-9 | 8.62791 | 1.46656 | 5.883 | 4.03–09 | *** |
| Seed-10 | 14.31597 | 1.43558 | 9.972 | < 2e−16 | *** |
| Seed-11 | 12.76715 | 1.44615 | 8.828 | < 2e−16 | *** |
| Seed-12 | 10.96962 | 1.45656 | 7.531 | 5.03e−14 | *** |
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1.