Screening, resistance, phylogeny and growth promoting of phosphorus solubilizing bacteria isolated from soybean root nodules ELECTRON MICROSCOPIC OBSERVATION ON A KIND OF CYTOPLASMIC INCLUSION IN THE INFECTED CELLS OF SOYBEAN ROOT NODULES Screening and inhibition of antagonistic endophytic bacteria isolated from soybean (Glycine max) nodules against Alternaria longipes. Studies on the Nitrate Reductase Activity (NRA) and the Nitrogenase Activity (NA) in the Nodules of Groundnut (A.hypogaea L.) Anatomy studies on the root nodules of endangered medicinal plants Dalbergia odorifera Advancement in Research on Stress Resistance of Grass Pea The structure of root nodules in Trifolium repens and Medicago sativa INVESTIGATION OF ROOT NODULES AND DISCUSSION OF THE FACTORS WHICH AFFECT NODULATION IN CASUARINA EQUISETIFOLIA PLANTATIONS IN HAIKOU