Study on the Optimum Frankia-genotype Associations of Casuarina Seedlings Function of Winter Ryegrass Grown in Six Different Types of Paddy Soils Split-root systems applied to the study of the legume-rhizobial symbiosis: What have we learned? 新疆干旱区陆生固氮蓝藻—眼点伪枝藻的培养 Effect of Magnetic Field on Symbiotic Nitrogen Fixation of Soybean Nodules The Effects of Immobilization on Photosynthesis, Growth, Nitrogen Fixation and Ammonium Ion Excretion of Mutant and Wild Type Cells of Anabaena variabilis Studies on the Relationship Between Photosynthesis and Nitrogen Fixation in the Symbiotic System of Soybean and Nodule Bacteria( Rhizobium) Nitrogen Fixation and ATPase of Root Nodules from Sesbania cannabina with Chemical and Physical Treatments The Relationships between Nitrogen Fixation and Several Kinds of Energy Metabolism by Gloeocapsa sp Screening of High Efficient Symbiotic Rhizobium for Zhongmu No.1 Alfalfa Screening and identification of a nitrogen fixing bacteria with 1-aminocyclopropane-1-carboxylate deaminase activity Effects of nitrogen levels on nodule growth of soybean using 15N tracing method STUDIES ON THE CHARACTERISTICS RELATED TO SYMBIOTIC NITROGEN FIXATION OF LEGUMES IN HEXI CORRIDOR,GANSU Seasonal Dynamics of Soil Nitrogen Transformation along Subalpine Elevational Gradient of Western Sichuan Soybean Seedling Extracts Inhibit Supernodulation Studies of Seedling Inoculation of Frankia in Elaeagnus mollis Diels A STUDY ON ECOLOGICAL CHARACTERISTICS OF LOCUST NODULATION AND NITROGEN FIXATION EFFECTS OF BORON DEFICIENCY, LIGHT INTENSITY AND EXOGENOUS CARBOHYDRATE SUPPLY ON SYMBIOTIC NITROGEN FIXATION IN SOYBEAN PLANTS Mapping quantitative trait loci for associative nitrogen fixation ability in rhizosphere of rice seedling Characteristics related to symbiotic nitrogen fixation of legumes in northwest arid zone of China Nitrogen Fixation in Leymus chinensis Grassland in Northeast China Study on Associated Nitrogen Fixation of Several Sympodial Bamboo Species Study on Several Nitrogen Fixation Strains from Phyllostachys pubescens Roots