Nitrogen Fixing Organisms: Pure and Applied AspectsThis book is concerned essentially with how nitrogen-fixing organisms function and why they are of practical importance. Special chapters deal with nitrogen fixation in agriculture, in forestry, and in aquatic and terrestrial ecosystems. In an appendix an outline of the main methods used for measuring nitrogen fixation, and some of the problems that must be faced is given |
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acetylene acid actinorhizal plants aerobic Alnus ammonium Anabaena anaerobic areas associated Azolla Azotobacter bacteria bacteroids biological nitrogen fixation Bradyrhizobium Bradyrhizobium japonicum carbon Casuarina clover combined nitrogen coralloid roots crop cyanobacteria cycads ecosystems effects electron endophyte endosymbiont environment enzyme factors Faria fertilizer filaments fix nitrogen forests Frankia free-living genera genus glutamine grown growth habitats hair infection heterocystous host cells hyphae increase infected cells infection thread japonicum kg N ha¹ legume nodules legumes lichens metabolism micro-organisms Microbiol mycorrhizal N₂ nif genes nitrate nitrogen cycle nitrogen fixation nitrogen-fixing nitrogen-fixing organisms nitrogen-fixing plants nitrogen-fixing species nitrogenase nitrogenase activity nodule activity non-legume Nostoc nutrient O₂ oxidized oxygen Parasponia photosynthetic Postgate potential production protein reduced reductase rhizobia Rhizobium role root hairs root nodules Silvester soil nitrogen soybean Sprent studied substrate suggest supply symbiotic synthesis Table temperature trees Trifolium tropical ureide vascular vesicles