Effect of INA bacteria on pulp cell ultrastructure of young loquat fruit Analysis of plant growth promoting rhizobacteria population in apple rhizosphere soils Effects of soil fumigants on soil nitrification and denitrification Phosphorus solubilizing bacteria growth and effects on soil phosphorus adsorption-desorption characteristics in reclaimed soils Identification and antifugla activity of the antagonistic bacteria of Cytospora spp. Response of denitrifying bacteria community structure and abundance to nitrogen in paddy fields Effect of potato continuous cropping on genetic diversity of soil microorganisms Screening, identification and characterization of antagonistic bacteria against Ralstonia solanacearum