Source of Variation

SS

df

MS

F

P-value

F crit

P. minor

Years

444.333

2

222.167

4.891

0.016

3.369

Weeks

7248.286

13

557.560

12.275

0.000

2.119

Error

1181.000

26

45.423

Total

8873.619

41

Wild oat

Years

20.333

2

10.167

2.863

0.075

3.369

Weeks

246.952

13

18.996

5.349

0.000

2.119

Error

92.333

26

3.551

Total

359.619

41

Broad leaf

Years

137.2857

2

68.643

3.284

0.053

3.369

Weeks

7375.905

13

567.377

27.148

0.000

2.119

Error

543.381

26

20.899

Total

8056.571

41