Fig. 2

LEfSe analysis cladogram of the rhizosphere microbiome. The red nodes represented the dominant strains as important Biomarkers in the group without calcium application at the seedling stage; The green nodes represented the dominant strains as important Biomarkers in the group with calcium application at the seedling stage; The blue nodes represent the dominant strains as important Biomarkers in the group without calcium application at the pod filling stage; The purple nodes represent the dominant strains as important Biomarkers in the group with calcium application at the pod filling stage