Table 1.
Main structure characteristics of the digitized sward canopies S1, S2, S3 and S4
| S1 | S2 | S3 | S4 | |
|---|---|---|---|---|
| Sward height (HS, m) | 0·22 | 0·12 | 0·26 | 0·12 |
| Herbage mass (kg10−3 m−2) | 205 | 106 | 312 | 182 |
| Local sward bulk density (BD, kg10−3 m−3) | 925 | 887 | 1185 | 1475 |
| Plant area index* (TAI, m2 m−2) | 3·69 | 2·82 | 5·66 | 4·63 |
| Lamina (leaflets) area index LAI, m2 m−2) | 2·46 | 2·23 | 3·51 | 3·16 |
| All petioles and peduncles area index (PetAI, m2 m−2) | 1·21 | 0·59 | 2·11 | 1·44 |
| Mean leaflet area (m2 10−4) | 1·92a† | 1·26b | 1·82a | 0·82c |
| Mean half leaflet inclination (°) | 47a | 39a | 39a | 38a |
| All petioles mean inclination (°) | 46c | 60a | 50b | 57a |
* TAI includes laminas, petioles, peduncles and flowers.
† Values in the same line followed by different superscript letters are significantly different under Tukey's test at P < 0·05.