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Table 5 Proportion of root length by diameter to experimental factors, Aeration volume (A) and Salinity level (S)

From: Effect of soil aeration on root morphology and photosynthetic characteristics of potted tomato plants (Solanum lycopersicum) at different NaCl salinity levels

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

  1. Note: Values followed by different small letters in the same column meant significant differences at p < 5%. ANOVA F-value for main and interaction effects were not significant (ns) or significant at ≤5% (*) and ≤ 1% level (**)