Table 7 Regression equation reseeding index variance analysis.

From: Parameter optimization of key components in seed-metering device for pre-cut seed stems of Pennisetum hydridum

Source of variance

Sum of squares

Degrees of freedom

Mean square

F

P

Model

23.26

9

2.58

3.44

0.0218

A

1.86

1

1.86

2.47

0.1399

B

0.6212

1

0.6212

0.8262

0.3799

C

0.0002

1

0.0002

0.0002

0.9879

AB

3.99

1

3.99

5.31

0.0384

AC

0.7750

1

0.7750

1.03

0.3285

BC

0.5995

1

0.5995

0.7973

0.3881

A2

14.56

1

14.56

19.37

0.0007

B2

0.3809

1

0.3809

0.5066

0.4892

C2

0.5432

1

0.5432

0.7224

0.4108

Residual

9.77

13

0.7519

  

Lack of fit

5.82

5

1.16

2.36

0.1345

Pure error

3.95

8

0.4939

  

Total

33.03

22