Fig. 3
a Relative abundance of eight metabolic taxonomy in the entire sample. b Principle coordinate analysis (PCoA) with Bray–Curtis distance illustrating similarities or dissimilarities of metabolites community composition in the different compartments of sugarcane and soil under silicon fertilizer (Si) and control (CK), Adonis indicating the significant difference between metabolites in both treatments, and the different compartments (B, bulk soil; L, leaf; R, root; S, stem; Rhi, rhizosphere soil)