Fig. 2From: Organic mulch can suppress litchi downy blight through modification of soil microbial community structure and functional potentialsThe Venn diagram of microbial communities in soils under different treatments. AÂ The number of bacterial OTUs in soils under different treatments; BÂ The number of fungal OTUs in soils under different treatments. Control group, bare soil in conventional tillage methods; organic mulch group, soils treated with organic mulch for 1Â year, 1.5Â years and 2Â yearsBack to article page