Response of Soil Microbes to Different Models of Conversion of Farmland to Forest Effects of Grafting on Eggplant Growth and Soil Biochemical Properties Under Autotoxic Substance Stress Rhizosphere effect of nutrients in different maize soils with different fertility levels Transformation mechanism and availability of mutrients in albic soil plant system Ⅴ Effect of organic material on phosphorus availability in soil wheat rhizosphere system Interaction between Eichhornia crassipes and its rhizospheric bacteria Effects of Grafting on Eggplant Growth and Soil Biochemical Properties Under Autotoxic Substance Stress