Influence of VA Mycorrhize on Nutrient and Water Absorption in White Clover THE EFFECT OF VA MYCORRHIZAE TO ACCELERATING GROWTH AND CONTROLLING DISEASES OF EGGPLANT AND CUCUMBER A STUDY ON VA MYCORRHIZAE FORMED ON THE TISSUE-CULTURED PLANTLETS OF PAULOWNIA Transformation of phosphorus in rhizosphere of wheat and effect of VAM on phosphorus transformation in rhizosphere of wheat Seasonal Varrations of VA Mycorrhizae in the Rhizospheres of Welsh Onion (Allium fistulosum) and Corn (Zea mays) in Beijing and Their Relationship to Several Environmental Factors Symbiotic association of Hippophae rhamnoides and the microbes