Table 3 Orthogonal test polar analysis.

From: Design and performance evaluation of a spiral bar precision weeding mechanism for corn fields

 

Experimental factors

A

B

C

Weed control

K1

83.9

88.39

83.46

K2

89.23

87.59

87.45

K3

90.11

87.26

92.33

Polar deviation R

6.21

1.13

8.87

Excellent level

A3

B1

C3

Order of priority

C, A, B

Better program

A3 B1 C3

Injury rate

K1

2.63

2.53

2.37

K2

2.87

3

2.73

K3

2.77

2.73

3.17

Polar deviation R

0.23

0.47

0.8

Excellent level

A1

B1

C1

Order of priority

C, B, A

BETTER program

A1 B1 C1

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