Source of variation

df

Carbon

Nitrogen

Phosphorus

F

P

F

P

F

P

Aboveground

Time (T)

2

954.343

1.80 × 103

423.303

Specie types (S)

3

129.325

968.98

17.649

N addition (Ni)

5

5.415

5.628

17.465

T*S

6

1.999

0.067

62.782

16.951

T*Ni

10

1.281

0.242

3.875

7.692

S*Ni

15

1.521

0.099

2.464

2.914

T*S*Ni

30

0.853

0.690

4.116

3.856

Belowground

Time (T)

2

369.592

944.323

812.960

Specie types (S)

2

14.953

19.938

283.533

N addition (Ni)

5

2.801

0.019

4.469

6.786

T*S

4

0.763

0.550

2.052

0.090

10.441

T*Ni

10

3.064

6.440

3.084

S*Ni

10

3.171

1.020

0.429

5.663

T*S*Ni

20

2.261

2.949

4.119