Table A1.
Statistical data of the NIRS calibration and validation (SEC, standard error of calibration; SEV, standard error of prediction) for the relevant quality parameters by plant group.
| Parameter | Plant Group | N | Mean | Range | SEC | R2 | SEP |
|---|---|---|---|---|---|---|---|
| ME (MJ/kg DM) | Whole sward | 251 | 10.810 | 8.38–12.62 | 0.179 | 0.959 | 0.195 |
| ME (MJ/kg DM) | Grasses | 248 | 10.806 | 8.38–12.62 | 0.173 | 0.956 | 0.194 |
| Legumes | 168 | 10.737 | 8.55–12.41 | 0.15 | 0.961 | 0.196 | |
| Herbs | 117 | 10.691 | 8.38–12.54 | 0.154 | 0.963 | 0.211 | |
| NEL (MJ/kg DM) | Whole sward | 249 | 6.567 | 4.79–7.81 | 0.138 | 0.955 | 0.173 |
| NEL (MJ/kg DM) | Grasses | 250 | 6.569 | 4.79–7.87 | 0.136 | 0.949 | 0.193 |
| Legumes | 167 | 6.512 | 4.92–7.77 | 0.106 | 0.965 | 0.152 | |
| Herbs | 115 | 6.514 | 4.80–7.784 | 0.112 | 0.964 | 0.163 | |
| DOM (g/kg DM) | Whole sward | 249 | 809.45 | 642.6–919.0 | 8.85 | 0.967 | 9.14 |
| DOM (g/kg DM) | Grasses | 248 | 821.04 | 632.1–918.8 | 10.83 | 0.956 | 10.97 |
| Legumes | 173 | 803.63 | 657.6–902.6 | 10.36 | 0.944 | 12.96 | |
| Herbs | 118 | 817.42 | 642.6–904.3 | 13.51 | 0.943 | 12.45 | |
| N (g/kg DM) | Whole sward | 268 | 26.69 | 8.7–54.2 | 0.951 | 0.991 | 1.071 |
| N (g/kg DM) | Grasses | 277 | 22.59 | 9–54.9 | 0.802 | 0.991 | 0.914 |
| Legumes | 178 | 35.07 | 14.7–57.1 | 1.116 | 0.981 | 1.131 | |
| Herbs | 86 | 26.39 | 10.3–39.9 | 0.749 | 0.995 | 1.317 |