Table 1.

p-Values of three-way ANOVA for the effects of S. alterniflora invasion (I), nitrogen addition treatment (N), sampling time (T), and their interactions on height and biomass of K. obovata seedlings.

	d.f.	height	biomass
I	1	0.828	0.132
N	1	<0.001	<0.001
T	4	<0.001	<0.001
I × N	1	<0.001	0.006
I × T	4	0.551	0.723
N × T	4	<0.001	<0.001
I × N × T	4	<0.001	0.057