Table 5.
Summary statistics on a per plant basis for the New Era data set.
| Variable | N | Mean | Std Dev | Minimum | 25% Q | Median | 75% Q | Maximum |
|---|---|---|---|---|---|---|---|---|
| NRateP | 419 | 2.4 | 2.0 | 0.0 | 1.0 | 2.2 | 3.6 | 13.9 |
| R1NP | 422 | 1.7 | 0.6 | 0.5 | 1.2 | 1.6 | 2.0 | 4.0 |
| R6NP | 422 | 2.7 | 0.9 | 0.9 | 2.1 | 2.6 | 3.2 | 6.1 |
| GYP | 326 | 146.7 | 36.2 | 54.8 | 121.9 | 148.6 | 170.5 | 253.2 |
| GrainNP | 286 | 1.71 | 0.63 | 0.51 | 1.24 | 1.63 | 2.04 | 3.84 |
| R1DMP | 276 | 124.4 | 29.3 | 59.3 | 104.7 | 120.7 | 134.9 | 263.2 |
| R6DMP | 282 | 264.1 | 56.4 | 116.5 | 225.0 | 260.1 | 300.4 | 447.2 |
| PostNP | 422 | 1.0 | 0.5 | 0.1 | 0.6 | 0.9 | 1.3 | 2.7 |
| PostDMP | 271 | 141.31 | 43.09 | 38.82 | 109.20 | 139.63 | 173.23 | 247.17 |
| RemobNP | 281 | 0.8 | 0.4 | 0.0 | 0.4 | 0.7 | 1.0 | 2.5 |
| StoverNP | 286 | 1.09 | 0.47 | 0.26 | 0.76 | 1.01 | 1.37 | 3.08 |
| StoverDMP | 246 | 139.5 | 43.7 | 58.3 | 114.5 | 131.2 | 160.5 | 367.2 |
| ΔStoverP | 233 | 12.3 | 27.1 | –58.9 | –4.2 | 9.4 | 28.9 | 97.9 |
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 content; R1DM, whole-plant 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.