Table 3 Results of uniform orthogonal tests.

From: Average relative flow of single-wing labyrinth drip irrigation tape based on projection pursuit regression

No

Factor level

Average relative flow (q)

E fertilizer concentration (g/L)

S sediment content (g/L)

B operating pressure (kPa)

H1

H2

H3

1

0.6

1

40

0.793

0.702

0.764

2

0.6

2

100

0.653

0.628

0.653

3

0.6

3

70

0.564

0.523

0.587

4

1.8

1

100

0.702

0.693

0.711

5

1.8

2

70

0.564

0.657

0.588

6

1.8

3

40

0.523

0.502

0.534

7

3

1

70

0.603

0.647

0.621

8

3

2

40

0.55

0.573

0.548

9

3

3

100

0.431

0.457

0.451