Table 2. The results of two-way ANOVA of the year, site, former stand and their interaction effects on the variables of growth and soil property.

Variables	Year (Y)	Site (S)	Former stand (F)	Y × S	Y × F
Growth
Root collar diameter	<0.001	<0.001	n.s.	<0.001	0.014
Height	<0.001	<0.001	n.s.	<0.001	0.006
Soil
Sand	<0.001	0.016	n.s.	0.019	0.106
Silt	<0.001	0.007	0.027	n.s.	n.s.
Clay	0.008	<0.001	<0.001	0.010	0.007
pH	n.s.	<0.001	n.s.	n.s.	n.s.
Total carbon	<0.001	<0.001	<0.001	<0.001	n.s.
Total nitrogen	0.083	<0.001	<0.001	n.s.	<0.001
P2O5−	<0.001	0.006	0.042	0.006	<0.001
C.E.C.	0.002	<0.001	<0.001	n.s.	n.s.
K+	<0.001	<0.001	0.004	0.002	n.s.
Na+	n.s.	n.s.	n.s.	0.006	<0.001
Ca2+	n.s.	<0.001	n.s.	<0.001	0.010
Mg2+	<0.001	<0.001	0.006	<0.001	<0.001