Diversity and drivers of arbuscular mycorrhizal fungi in the rhizosphere soil of wine grape in the eastern foot of Helan Mountain in Ningxia of China.

Correlation analysis ( Figure 8A ) revealed the following relationships: AMF colonization rate was significantly positively correlated with soil pH ( p < 0.05) and highly significantly positively correlated with AP ( p < 0.001), whereas it was significantly negatively correlated with SOM ( p < 0.05); colonization intensity showed a highly significant positive correlation with AP ( p < 0.001); spore density was significantly positively correlated with SOM ( p < 0.05) and urease (highly significant, p < 0.001), but highly significantly negatively correlated with TN ( p < 0.001).

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