soil bacteria

The rhizosphere microbial community is important for plant growth and health; however, it controversial whether this community assembles through rhizosphere recruitment or the stochastic dispersal of the bulk soil microbial reservoir. We observed the dynamic spatiotemporal changes in the Cinmaomum migao microbial community in the rhizosphere and bulk soil, a rare and endangered species endemic to China, through continuous sampling for 2 years. Soil nutrients, pH, and enzymes were tested to examine the dominant factors underlying rhizosphere microbiome assembly. The rhizosphere microbiome is a subset of the bulk soil microbiome; therefore, their community compositions are very similar in terms of higher taxonomy (e.g., phylum), but significantly different in terms of lower taxonomy