| 处理 Treatment | 叶绿素SPAD值 Chlorophyll SPAD | 光合速率 Photosynthesis speed (µmol∙m−2∙s−1) |
| CK | 53.99b | 13.4d |
| CK1 | 56.60ab | 14.0cd |
| T1A | 56.65ab | 15.7bc |
| T1B | 57.01ab | 15.8bc |
| T2 | 62.59ab | 17.5ab |
| T3 | 57.69ab | 16.4bc |