Table 3. Effects of N-Application Rate on the Changes in the α-Diversity (Shannon Index) of Bacterial and Fungal Communities Based on the Univariate Linear Model (ULM).

source of variation	traits	P	F
fertilization	bacterial community	0.28	1.33
	fungal community	0.10	2.50
spatial structure	bacterial community	<0.01	130.41
	fungal community	<0.01	11.61
fertilization × spatial structure	bacterial community	<0.01	4.74
	fungal community	0.30	1.29