Soil contains several organic. and inorganic substances and a large number of bacterial diversity. This bacterial diversity is also involved in biomass degradation and plant growth promotion. Metagenomic sequencing was used to analyze bacterial diversity in the rice field soil and sludge samples. https://echobookmarks.com/story19493466/bacterial-assessment-of-food-handlers-in-sari-city-mazandaran-province-north-of-iran