Table 3.
Correlation matrix.
| pH | ||||||||||
| pH | 1.000 | Moisture | ||||||||
| Moisture | 0.608* | 1.000 | NitrogenT | |||||||
| NitrogenT | 0.227 | 0.198 | 1.000 | Ash | ||||||
| Ash | −0.068 | −0.211 | 0.101 | 1.000 | C/N ratio | |||||
| C/N ratio | −0.453 | −0.332 | −0.910*** | −0.149 | 1.000 | Crude fibre | ||||
| Crude fibre | 0.056 | 0.151 | −0.544* | −0.858*** | 0.489 | 1.000 | Crude fat | |||
| Crude fat | 0.442 | 0.297 | 0.925*** | −0.179 | −0.891*** | −0.245 | 1.000 | NFE | ||
| NFE | −0.234 | −0.011 | −0.206 | −0.847*** | 0.359 | 0.664* | −0.056 | 1.000 | Cellulose | |
| Cellulose | −0.005 | 0.035 | −0.662* | −0.764** | 0.564* | 0.960*** | −0.387 | 0.638* | 1.000 | NDS |
| NDS | 0.001 | 0.083 | 0.885*** | 0.061 | −0.725** | −0.518* | 0.770** | −0.023 | −0.641* | 1.000 |
NFE, nitrogen free extractives; NDS, neutral detergent-soluble; NitrogenT, total nitrogen. g/kg dry matter, except pH, moisture (over fresh matter) and C/N ratio.
Absolute value of the correlation coefficient between 0.50 and 0.69 (*), from 0.70 to 0.84 (**) or equal to or greater than 0.85 (***).