treatments | Proportion (%) of root length by diameter (mm) | |||||
---|---|---|---|---|---|---|
0–0.1 | 0.1–0.2 | 0.2–0.5 | 0.5–1.0 | 1.0–2.0 | >2.0 | |
CK | 47.85ab | 22.51bcd | 21.56ab | 6.39abc | 1.47abcd | 0.21b |
S1A0 | 48.65ab | 22.20bcd | 22.00ab | 5.72bc | 1.21bcd | 0.23ab |
S1A1 | 44.12b | 20.99 cd | 23.18a | 8.57a | 2.57ab | 0.56ab |
S1A2 | 49.40ab | 21.07 cd | 20.32ab | 6.90abc | 1.93abc | 0.38ab |
S1A3 | 50.55ab | 21.07 cd | 19.81b | 6.48abc | 1.76abcd | 0.33ab |
S2A0 | 45.72ab | 25.59a | 21.84ab | 5.23c | 1.29bcd | 0.32ab |
S2A1 | 45.91ab | 20.18d | 22.33ab | 8.04ab | 2.81a | 0.73a |
S2A2 | 47.77ab | 22.19bcd | 20.83ab | 6.84abc | 2.04abc | 0.32ab |
S2A3 | 51.04ab | 21.38 cd | 19.39b | 6.00abc | 1.75abcd | 0.45ab |
S3A0 | – | – | – | – | – | – |
S3A1 | 58.24 | 19.24 | 17.30 | 3.93 | 0.86 | 0.43 |
S3A2 | 48.66ab | 24.29ab | 21.63ab | 4.43 cd | 0.69 cd | 0.29ab |
S3A3 | 57.80a | 23.19bc | 15.92c | 2.23d | 0.48d | 0.38ab |
F-value | ||||||
 Aeration volume (A) | 6.210** | 9.107** | 8.528** | 5.599** | 4.448* | 2.502 |
 Salinity level (S) | 1.470 | 6.145** | 0.844 | 6.333** | 3.492* | 0.257 |
 A × S | 1.531 | 2.604 | 2.029 | 0.292 | 0.026 | 0.190 |