Table 2 ANOVA for comparisons of aboveground biomass (AB), leaf N (LN), P (LP), and the leaf N:P ratio (L N:P) of S. superba between treatments in the N deposition experiment, i.e., four N levels and two P levels (n = 192).

From: Nitrogen and phosphorus stoichiometry of Schima superba under nitrogen deposition

Ā 

F value

AB

LN

LP

L N:P

N

21.11**

37.34**

17.74**

51.81**

P

82.99**

106.83**

302.43**

7.54**

Provenance

8.49**

0.60

4.77**

3.45**

N × P

5.40**

14.57**

2.38

3.13*

N × Provenance

1.37

0.59

0.50

0.50

P × Provenance

0.44

0.53

0.42

1.03

N × P × Provenance

2.16

0.52

0.29

0.71

  1. The degrees of freedom for N, P, provenance, N × P, N × provenance, P × provenance, and N × P × provenance were 3, 1, 4, 3, 12, 2, and 6, respectively. **p ≤ 0.01, *0.01 < p < 0.05.