Rank

Influence factor

Value of high occurrence/%

1

Operation location change

41.8

2

Machine aging

41.8

3

Operation order change

40.0

4

Weather mutation

38.2

5

Operation area change

38.2

6

Operating time change

32.7

7

Parts supply delay

30.9

8

Malignant competition

29.1

9

Incompatibility between agronomy and machine

29.1

10

Operation skill defects

27.3