Study on Mycorrhizal Physiology of Eucalyptus urophylla Coinoculated with ECM and VAM Fungi Effect of aluminum on growth, oxalate exudation, and uptake of aluminum, phosphorus and potassium by ectomycorrhizal fungi in vitro Isolation,Identification and Cultivation of Ectomycorrhizal Fungus Handkea utriformis in the Rhizosphere of Pinus tabulaeformis Effect of inoculating ectomycorrbizal fungus on Acacia confusa and Pinus massoniuna seedlings Influence of manganese on growth, nutrient uptake, and organic acid efflux by ectomycorrhizal fungi and manganese distribution in hyphae Inoculation Effect of Ectomycorrhizal Fungi on Cunninghamia lanceolata The Effect of Compound Preparation Made by Ectomycorrhizal Fungus and Hormone on the Growth and Disease Resistance of Poplar Cuttings Effects of potassium on the secretion of proton and oxalate by ectomycorrhizal fungi and the concentrations of nitrogen,phosphorus and potassium in their hyphae