Source

Degrees of freedom

Year

2012

2013

Class (C)

1

0.50**

0.30**

Treatment (T)

2

0.19**

0.17**

C × T

2

0.066**

0.004

Site w/C (S)

2

0.017**

0.025*

T × S

4

0.006

0.014

Replications w/S

8

0.013**

0.012

Error

16

0.002

0.005