Table 3 Effect of Si fertilisation on rice biomass and grain yield
Cultivar | EC (dS m−1) | Shoot dry weight reduction (%) | Grain weight reduction (%) | ||||
|---|---|---|---|---|---|---|---|
Si (kg ha−1) | Si (kg ha−1) | ||||||
0 | 90 | 130 | 0 | 90 | 130 | ||
IR64 | 4 | 24.6 ± 3.8 | 15.7 ± 4.4 | 15.1 ± 4.5 | 39.9 ± 2.8 | 21.9 ± 1.7 | 25.2 ± 3.9 |
IR64 | 6 | 33.8 ± 6.3 | 19.8 ± 5.4 | 18.4 ± 7.7 | 62.9 ± 16.7 | 42.8 ± 23.9 | 58.7 ± 18.2 |
IR64 | 8 | 43.2 ± 4.9 | 36.8 ± 13.9 | 19.1 ± 0.7 | 70.1 ± 18.7 | 75.5 ± 12.4 | 69.5 ± 12.2 |
CSR28 | 4 | 21.2 ± 6.6 | 12.3 ± 6.2 | 8.7 ± 7.4 | 12.5 ± 7.2 | 18.0 ± 12.8 | 21.5 ± 9.6 |
CSR28 | 6 | 26.1 ± 9.4 | 6.0 ± 9.0 | 9.7 ± 9.5 | 64.0 ± 9.8 | 52.0 ± 14.0 | 59.7 ± 6.9 |
CSR28 | 8 | 34.9 ± 19.0 | 10.9 ± 1.8 | 12.6 ± 14.5 | 71.9 ± 5.4 | 55.3 ± 9.3 | 65.3 ± 11.3 |
IR74371 | 4 | 34.5 ± 5.9 | 22.4 ± 5.1 | 16.5 ± 2.3 | 44.6 ± 6.3 | 42.9 ± 9.6 | 31.4 ± 9.2 |
IR74371 | 6 | 55.3 ± 16.2 | 42.2 ± 10.9 | 30.0 ± 4.0 | 62.6 ± 14.9 | 72.5 ± 2.6 | 75.0 ± 10.1 |
IR74371 | 8 | 69.0 ± 12.3 | 60.4 ± 15.9 | 48.7 ± 8.5 | 90.6 ± 3.9 | 91.2 ± 4.6 | 81.9 ± 9.2 |
IR83383 | 4 | 19.1 ± 8.5 | 15.3 ± 1.3 | 13.0 ± 10.3 | 24.3 ± 27.0 | 26.8 ± 17.5 | 28.0 ± 6.4 |
IR83383 | 6 | 38.7 ± 10.9 | 24.5 ± 10.0 | 22.2 ± 8.5 | 50.4 ± 9.1 | 44.5 ± 5.7 | 51.4 ± 8.8 |
IR83383 | 8 | 37.2 ± 6.2 | 40.4 ± 12.1 | 30.6 ± 7.9 | 63.2 ± 9.6 | 71.8 ± 15.9 | 73.8 ± 12.1 |
IR154 | 4 | 27.8 ± 16.4 | 29.7 ± 16.6 | 11.4 ± 7.7 | 45.8 ± 4.7 | 32.9 ± 20.9 | 28.7 ± 18.0 |
IR154 | 6 | 21.5 ± 1.8 | 40.0 ± 16.5 | 24.5 ± 9.0 | 77.0 ± 1.5 | 65.4 ± 16.1 | 39.0 ± 14.0 |
IR154 | 8 | 52.3 ± 11.5 | 50.3 ± 3.7 | 23.4 ± 8.9 | 82.2 ± 9.5 | 70.0 ± 12.6 | 57.7 ± 1.5 |
OM4900 | 4 | 20.6 ± 5.7 | 37.7 ± 4.3 | 45.0 ± 7.5 | 38.2 ± 17.6 | 50.2 ± 18.9 | 77.9 ± 3.0 |
OM4900 | 6 | 31.7 ± 6.9 | 50.7 ± 5.3 | 63.6 ± 16.0 | 73.1 ± 17.0 | 62.6 ± 8.5 | 92.2 ± 5.9 |
OM4900 | 8 | 32.5 ± 11.6 | 62.8 ± 7.6 | 74.6 ± 4.8 | 72.6 ± 7.3 | 84.5 ± 8.7 | 98.2 ± 2.1 |