| Chlorophyll a | Chlorophyll b | Total chlorophyll | Carotenoid | Proline | Na | K | Na/k |
---|---|---|---|---|---|---|---|---|
/(mg.g–1 FW) | /(μmol.g–1 FW) | /(mg·g–1 DW) | ||||||
Cultivation system | ||||||||
 Conventional | 1.452 ± 0.09a | 1.32 ± 0.15a | 2.78 ± 0.53a | 0.811 ± 0.03a | 10.6 ± 2.3a | 61.7 ± 8.6a | 51.3 ± 5.1a | 1.20 ± 0.05a |
 Double-cropping | 0.691 ± 0.05b | 0.872 ± 0.07b | 1.56 ± 0.48b | 0.612 ± 0.02b | 9.82 ± 2.0b | 52.1 ± 4.7b | 43.8 ± 5.2b | 1.18 ± 0.04a |
Foliage time | ||||||||
 Flowering | 0.982 ± 0.67b | 0.981 ± 0.08b | 1.96 ± 0.27b | 0.733 ± 0.04a | 9.41 ± 1.9b | 56.2 ± 5.4a | 45.1 ± 10.4b | 1.28 ± 0.04a |
 Flowering + bolling | 1.02 ± 0.08a | 1.22 ± 0.11a | 2.39 ± 0.34a | 0.682 ± 0.03b | 11.1 ± 2.8a | 57.5 ± 5.26a | 49.9 ± 3.9a | 1.29 ± 0.06a |
Modulator type | ||||||||
 Water control | 0.581 ± 0.02c | 0.572 ± 0.03c | 1.15 ± 0.06d | 0.391 ± 0.02d | 7.45 ± 0.81c | 74.2 ± 5.3a | 42.1 ± 2.6b | 1.71 ± 0.03a |
 GB | 1.15 ± 0.07b | 1.03 ± 0.07b | 2.18 ± 0.08c | 0.711 ± 0.03c | 10.8 ± 1.19b | 58.3 ± 5.1b | 48.9 ± 5.5a | 1.31 ± 0.05b |
 SA | 1.21 ± 0.14b | 1.31 ± 0.12ab | 2.48 ± 0.11b | 0.822 ± 0.02b | 11.31 ± 1.17a | 41.5 ± 6.1d | 50.2 ± 5.8a | 0.861 ± 0.03c |
 SNP | 1.38 ± 0.18a | 1.49 ± 0.09a | 2.87 ± 0.09a | 0.911 ± 0.03a | 11.33 ± 1.56a | 53.58 ± 2.2c | 48.8 ± 7.2a | 1.18 ± 0.04b |