| Compost application rate (t・ha−1) | Average plant height (cm) at week 1, 3, 6, 9 and 12 | ||||
| 1 | 3 | 6 | 9 | 12 | |
| 0 | 12 | 40a | 52a | 55a | 57a |
| 37 | 13 | 38b | 50a | 58a | 59a |
| 56.6 | 12 | 35c | 58b | 62a | 65b |
| 74.1 | 12 | 46d | 65c | 86b | 93c |
| l.s.d | 1.1 | 1.53 | 3.65 | 5.61 | 3.25 |
| cv (%) | 4.5 | 1.9 | 3.3 | 4.3 | 2.4 |
| p-value | 0.123 | <0.001 | <0.001 | <0.001 | <0.001 |