Effects of biochar on CO2 and N2O emissions and microbial properties of tea garden soils. Effect of conservation tillage on microbial community in Chinese Mollisol Effects of afforestation on soil microbial community structure in the arid valley of Minjiang River Effects of intercropping on soil microbial communities after long-term potato monoculture Effect of Nitrogen Deposition on Soil Microbial Community Structure Determined with the PLFA Method Effect of diffusion of urea patch on microbial communities in soil Diversity of Microbial Community of Paddy Soil Types in Double-Rice Cropping System