Table 5.

Results of statistical analyses (P-values) for the indices to assess relative abundances of ectomycorrhizal taxa.

Independent variables	Russua spp.	Cortinarius spp.	Helotiales	Total
F	0.163	0.411	0.338	0.169
S	0.966	0.357	0.706	0.527
H	0.566	0.076	0.447	0.061
F × S	0.112	0.788	0.652	0.273
F × H	0.319	0.548	0.192	0.942
S × H	0.154	0.602	0.118	0.364
F × S × H	0.212	0.366	0.878	0.634

F, S, and H represent fertilization, site and soil horizon, respectively. F × S, F × H, S × H, and F × S × H represent their corresponding interactions. P-values equal to or less than 0.100 are shown bold.