Changes of Nitrogenase Activity in Sugarcane (Saccharum officinarum L.)and Its Response to Innoculate Nitrogen Fixation Bacteria Isolating Endophytic Diazotrophic Bacteria from Three Xerophil Gramineae Grasses to Determine Their Nitrogen Fixation and Plant Growth-Promoting Effects of Phosphate Levels and Rhizobium Inoculation on the Root Morphology and Nitrogen-fixing Characteristic of Alfalfa Advances in the conditions of release H2 by photosynthetic bacteria Effect of wetting duration on nitrogen fixation of biological soil crusts in Shapotou, Northern China Purification and Characteristics of Mn-containing Nitrogenase Component Effects of the addition of mineral nutrients on biological nitrogen fixation in forest ecosystems Isolation and Biolog identification of the high-efficiency azotobacter from iron tailing under different vegetation restoration modes Studies on the Nitrate Reductase Activity (NRA) and the Nitrogenase Activity (NA) in the Nodules of Groundnut (A.hypogaea L.) INVESTIGATIONS ON THE SUBMICKOSCOPIC STRUCTURE AND NITROGENASE ACTIVITY OF STEM NODULES IN Sesbania rostrata EFFECT OF HIGH TEMPERATURE ON NITROGENASE ACTIVITY OF BLUE-GREEN ALGAL Anabaena 7120 Reactivation of Partially Metallocluster-deficient MoFe Protein by Chromium-Containing Reconstituent Solution The Effect of Urea on the Activity and Stability of Metallocluster of the MoFe Protein of Nitrogenase from Azotobacter vinelandii Effect of PEG and Salt on Crystallization of Bacterioferritin and Nitrogenase MoFe Protein from Azotobacter vinelandii Perspectives in Biological Nitrogen Fixation Research Diversity of Nitrogenase Systems in Diazotrophs Crystallization of MoFe Protein (DnifH Av1) from a nifH Deleted Strain of Azotobacter vinelandii Nitrogen-fixation Potential of Nodules in Four Types of Nitrogen-fixation Plants and Their Influencing Factors in Dry-hot Valley Growth-promoting Effects and Physiolog ica l Property of Endophytic D iazotrophsIsola ted from Guangdong Bamboo ( B am busa blum eana ) Effects of cooperation between associative azotobacteria and rhizobia on wheat seedling Crystalline Growth of Nitrogenase CrFe Protein Growth of the Crystals of Nitrogenase MnFe Protein (in English) Comparative Studies on Mn, Cr and Mo Contained Reconstituent Solutions and Proteins Reconstituted with Partially Metallocluster-deficient MoFe Protein Effects of molybdenum on nitrogenase activity of nitrogen-fixing bacteria in sugarcane Effects of the iron nutrition on nodule development and nitrogen-fixing functions of peanut Nitrogen fixation potential of biological soil crusts in southeast edge of Tengger Desert, Northwest China. Purification and Characterization of Cr-containing Nitrogenase Component I Study on Several Nitrogen Fixation Strains from Phyllostachys pubescens Roots Effect of Climatic Factors on Nitrogen Fixation in Three Leguminous Trees PLANT GROWTH, NODULE NITROGENASE ACTIVITY AND PHYLLODE NUTRIENT CONTENT IN ACACIA MANGIUM Isolation and identification of endogenic nitrogen-fixing bacteria in the roots of Jerusalem artichoke (Helianthus tuberosus) The Effect of Manganese on the Reconstitution of Partial Metallocluster-deficient Nitrogenase Molybdenum-Iron Protein Injury of the MoFe Protein of Nitrogenase From Azotobacter Vinelandii By H2O2 Preparation and Reconstitution of the Severely Metalloclusters-Deficient MoFe Protein of Nitrogenase from Azotobacter vinelandii Studies on Assembly of Vanadium-iron Protein in Vitro Study on the Difference of Nodule Nitrogenase Activity and Amount of Nitrogen Fixation of Different Soybean Varieties Effects of Different Phosphorus Levels on Photosynthesis and Root Nodule Nitrogen-fixing Characteristic of Alfalfa Advances in Studies on Nitrogenase Crystallography Nitrogen fixation potential of biological soil crusts in Heidaigou open coal mine, Inner Mongolia, China. RELATIONSHIP BETWEEN NITROGENASE ACTIVITY EXPRESSION AND PHYSIOLOGICAL CONDITIONS IN BLUE-GREEN ALGAE ANABAENA 7120 NITROGEN FIXATION OF BLUE-GREEN ALGAE Anabaena 7120 UNDER OSMOTIC STRESS COMDITION Studies on the Reactivation of Aerated Nitrogenase MoFe Protein from Azotobacter vinelandii by the Compounds of iron Molybdenum and Sulfur Preliminary Studies on Endophytic Diazotrophs from Neyraudia reynaudiana and Cynodon dactylon The Effect of the Organic Component of FeMoco on the Function of Nitrogenase MoFe Protein Effect of boron deficiency on structure and nitrogenase activity of nodules in soybean plants THE DISCOVERY AND PRELIMINARY STUDY ON NITROGEN-FIXING BACTERIA FROM THE ROOTS OF MASSON PINE SAPLINGS Reactivation of Partially Metalloclusterdeficient MoFe Protein by Rhenium-containing Reconstituent Solution Nitrogen fixation ability of azotobacter and its effect on growth of spring wheat Effects of the NO3--N on nodule formation and nitrogen fixing of peanut Effects of inoculations of Glomus mosseae and/or Bradyrhizobium japonicum on formation and distribution of nodules and phosphorus uptake of soybean Identification of Contaminations Hiding Beneath theα- and β-Subunits of Partially Purified Nitrogenase MoFe Protein on the Sodium Dodecyl Sulfate Gel