Diversity of soil bacterial community in banana orchards infected with wilt disease. Evaluation of bacterial diversity under different herb vegetation types in the hydro-fluctuation zone of the Three Gorges Reservoir in China Influence of reclaimed water on the bacterial community structure of sediment from an urban river Effect of Wheat/Maize/Soybean and Wheat/Maize/Sweet Potato Relay Strip Intercropping on Bacterial Community Diversity of Rhizosphere Soil and Nitrogen Uptake of Crops