Fig. 6From: Mycorrhizal symbiosis promotes the nutrient content accumulation and affects the root exudates in maizeCorrelation clustering heatmap of the correlation analysis. The Pearson coefficient is obtained by analyzing the correlation between each index. The obtained Pearson coefficient is made into a correlation heatmap. Red fields denote a positive correlation between the two. The darker the color is, the stronger the correlation is. Blue fields denote the opposite resultBack to article page