| Treatment | Leaf dry weight /(g/plant) | Stem dry weight /(g/plant) | Sheath dry weight/(g/plant) | Overground part total dry weight/(g/plant) |
| SKB | | 42.15d | 40.75e | |
| SCK | | 65.36bc | | |
| S1 | | | | |
| S2 | | 68.25ab | 54.87b | |
| S3 | | 67.24ab | 53.76bc | 166.17b |
| S4 | 37.06b | 65.90bc | 48.13d | 151.09 d |
| S5 | 36.23b | | | 137.53e |