Table 4.
Summary statistics based on per plant determinations for the Old Era data set.
| Variable | N | Mean | Std Dev | Minimum | 25% Q | Median | 75% Q | Maximum |
|---|---|---|---|---|---|---|---|---|
| NRateP | 275 | 3.6 | 2.4 | 0.0 | 2.0 | 3.3 | 4.7 | 9.4 |
| R1NP | 281 | 2.5 | 1.1 | 0.3 | 1.7 | 2.3 | 3.1 | 7.6 |
| R6NP | 281 | 3.6 | 1.6 | 0.5 | 2.5 | 3.4 | 4.4 | 10.0 |
| GYP | 263 | 172.7 | 72.6 | 25.6 | 125.8 | 166.4 | 217.0 | 432.8 |
| GrainNP | 224 | 2.32 | 1.10 | 0.19 | 1.45 | 2.05 | 3.07 | 5.76 |
| R1DMP | 161 | 151.2 | 49.2 | 46.8 | 108.4 | 144.7 | 187.0 | 316.0 |
| R6DMP | 192 | 317.4 | 91.5 | 116.4 | 258.9 | 311.4 | 368.6 | 607.0 |
| PostNP | 281 | 1.11 | 0.79 | 0.00 | 0.55 | 0.89 | 1.54 | 4.95 |
| PostDMP | 157 | 166.2 | 67.5 | –27.2 | 121.0 | 156.0 | 210.0 | 372.0 |
| RemobNP | 215 | 1.3 | 0.6 | 0.1 | 0.8 | 1.2 | 1.7 | 3.0 |
| StoverNP | 224 | 1.28 | 0.76 | 0.26 | 0.77 | 1.08 | 1.72 | 4.90 |
| StoverDMP | 182 | 181.8 | 53.4 | 56.0 | 137.6 | 184.0 | 219.0 | 318.8 |
| ΔStoverP | 139 | 27.8 | 38.9 | –42.9 | 0.3 | 20.0 | 48.2 | 160.1 |
Units in g plant−1 are denoted with the subscript “P.” Nrate, N rate applied; R1N, N accumulated at silking; R6N, N accumulated at physiological maturity; GY, grain yield at 15.5% moisture; GrainN, grain N; R1DM, dry matter accumulated at silking; R6DM, whole-plant dry matter accumulated at physiological maturity; PostN, N accumulated after silking; PostDM, dry matter accumulated after silking; RemobN, N remobilized to the grain; StoverN, stover N content; StoverDM, stover dry matter at physiological maturity; ΔStover, change in stover dry matter from silking to physiological maturity.