Source of Variation

DF

P value

Cultivar (C)

1

0.9211

K-rate

5

<0.0001

K-rate Lin

1

<0.0001

K-rate Quad

1

0.0206

K-rate Cubic

1

0.6353

Year

2

<0.0001

Cultivar × K-rate

5

0.9656

Cultivar × Year

2

0.2191

K-rate × Year

10

0.0002

K-rate, yr 1 vs yr 2 Linear

1

0.0218

K-rate, yr 1 vs yr 2 Quadratic

1

0.9755

K-rate, yr 1 vs yr 3 Linear

1

0.0001

K-rate, yr 1 vs yr 3 Quadratic

1

0.6199

K-rate, yr 2 vs yr 3 Linear

1

0.0520

K-rate, yr 2 vs yr 3 Quadratic

1

0.5985

Cultivar × K-rate × Year

10

0.8715