Effects of tree mycorrhizal dominance on soil microbial community structure and microbial nutrient limitation.

Structural equation modeling further revealed that tree mycorrhizal dominance and microbial biomass were the primary factors alleviating microbial nutrient limitation: microbial biomass and mycorrhizal dominance showed significant negative effects on vector length (path coefficients −0.71 and 0.33, p < 0.01), whereas mycorrhizal dominance exerted a highly significant positive effect on vector angle (path coefficient 0.70, p < 0.001).

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