Fig. 5

Spearman correlation heatmaps of the top 20 abundance-ranked microbial communities in the rhizosphere soil. a for spearman correlation heatmap at the phylum level in the fungal community; b for spearman correlation heatmap at the genus level in the fungal community; c for spearman correlation heatmap at the phylum level in the bacterial community; d for spearman correlation heatmap at the genus level in the bacterial community; X-axis and Y-axis represent environmental factors and species, respectively; * represents P < 0.05, ** represents P < 0.01, *** represents P < 0.001. CK, the control group, SDW, Erect Milkvetch, ZHMX, Alfalfa, PJC, Phyllanthus pinnatifida, NT, Lemongrass, YT, Brassica