Table 5 Influence of the four factors under different horizontal wetting front transport distances.

From: Multifactor analysis of the infiltration characteristics of film hole irrigation under muddy water conditions

Factor

Muddy water sand content (%)

Film pore diameter (cm)

Soil bulk density (g cm–3)

Duration (min)

Level

3a

5a

1.35a

30a

6b

7b

1.40b

120b

9c

8c

1.45ac

240c

Value of F

20.49**

26.93**

17.811**

94.156**

  1. **Denotes that the factor has an extremely significant effect on the horizontal wetting front transport distance (P < 0.01). Values followed by different letters within the same factor differ significantly at P < 0.05 based on the LSD test. The F-value is the statistic of the variance analysis, the larger the value, the greater the influence of the horizontal wetting front transport distance.