Linked from

The 68 pages that link to Nitrogen fixation, each with the reason it gives.

• Crop rotationRelated: Nitrogen-fixing microbes associated with legumes can enrich soil during a rotation.

• MycorrhizaCompared with: Mycorrhiza commonly improves mineral uptake, whereas nitrogen fixation creates usable nitrogen from atmospheric gas.

• Nitrogen cycleRelated: Understanding fixation clarifies why organisms cannot directly use the atmosphere’s nitrogen gas.

• NitrogenRelated: It unlocks atmospheric nitrogen for biological and industrial use.

• LichenRelated: Cyanobacterial lichens add fixed nitrogen to ecosystems.

• Cover cropRelated: Legume cover crops can add nitrogen through symbiosis with nitrogen-fixing bacteria.

• CyanobacteriaRelated: Some cyanobacteria supply ecosystems with fixed nitrogen, often in specialized cells or under low-oxygen conditions.

• Haber–Bosch processNarrower topic: The process is the dominant industrial route of nitrogen fixation, breaking the N≡N bond at scale.

• FabaceaeRelated: Many legumes gain usable nitrogen through bacterial partners in their roots.

• BacteriaRelated: Certain bacteria perform this process, supplying nitrogen to ecosystems and crops.

• Fritz HaberNarrower topic: Haber’s process is a synthetic route for fixing atmospheric nitrogen.

• IntercroppingRelated: Legumes can supply nitrogen to neighboring crops through soil processes and residue turnover.

• ForageRelated: Legume forage can enrich soils through nitrogen fixation by root-associated bacteria.

• Three SistersRelated: It explains one potential soil benefit of including beans in the planting.

• Ammonium nitrateNarrower topic: Industrial fixation supplies the nitrogen that underlies modern ammonium nitrate production.

• LightningRelated: Lightning's heat enables some atmospheric nitrogen to form compounds that reach soil in rain.

• ProkaryoteRelated: Certain prokaryotes make nitrogen available to plants and ecosystems.

• ReductionBroader topic: Nitrogen gas is reduced to ammonia by nitrogenase or industrial processes.

• RootRelated: Some roots host bacteria that supply plants with fixed nitrogen.

• Soil biodiversityRelated: Certain soil microbes add usable nitrogen to ecosystems through this process.

• Root noduleNarrower topic: Nodule bacteria perform this conversion, supplying nitrogen compounds to the host plant.

• Green manureRelated: Legume green manures can add biologically fixed nitrogen to soil.

• ChickpeaRelated: Root-associated bacteria can help chickpeas obtain nitrogen from the air.

• Companion plantingRelated: Legume companions can host nitrogen-fixing bacteria, though benefits to neighbors are not automatic.

• PeanutRelated: Peanut root-associated bacteria can add fixed nitrogen to agricultural systems.

• BacteriumRelated: Certain bacteria perform this process independently or in plant partnerships.

• PhotobiontRelated: Cyanobacterial photobionts can add fixed nitrogen to a lichen association.

• MilpaRelated: Beans can host nitrogen-fixing bacteria, enriching soil within mixed milpa fields.

• AlfalfaNarrower topic: This process supplies alfalfa with nitrogen and can leave nitrogen in the cropping system.

• AlgaeRelated: Some algal symbionts and cyanobacteria supply fixed nitrogen in nutrient-poor waters.

• FallowRelated: Legume cover during fallow can add biologically fixed nitrogen to soil.

• FrankiaNarrower topic: This process is the metabolic service Frankia provides in the symbiosis.

• MolybdenumRelated: Some nitrogen-fixing enzymes rely on molybdenum as a metal component.

• PeaRelated: Bacteria in pea root nodules fix nitrogen in partnership with the plant.

• Ammonia synthesisNarrower topic: Industrial ammonia synthesis is a major artificial route for fixing atmospheric nitrogen.

• Environmental microbiologyRelated: Certain environmental microbes make inert atmospheric nitrogen available to ecosystems.

• Martinus BeijerinckRelated: Beijerinck isolated bacteria capable of fixing atmospheric nitrogen, linking microbes to soil fertility.

• AutotrophRelated: Autotrophs need fixed nitrogen to make proteins and other nitrogen-containing molecules.

• Bean (food)Related: Many bean plants host bacteria that fix nitrogen in root nodules.

• George Washington CarverRelated: Legumes in rotation can enrich soil through nitrogen-fixing bacteria in their root nodules.

• Adzuki beanRelated: Like many legumes, adzuki can associate with bacteria that fix nitrogen in root nodules.

• CloverRelated: The clover–bacteria partnership adds fixed nitrogen to plant and soil systems.

• LentilRelated: Lentil crops can gain nitrogen through partnerships between roots and soil bacteria.

• PnictogenBroader topic: It illustrates the unusual activation needed to use elemental nitrogen’s strongly bonded N₂ molecules.

• Prokaryotic cellRelated: Certain prokaryotes perform this transformation, supplying nitrogen to ecosystems.

• Green beanRelated: Common bean roots can host bacteria that fix nitrogen in soil.

• KudzuRelated: Kudzu’s root-associated bacteria fix nitrogen, allowing it to grow in nitrogen-poor soils.

• VignaRelated: Many Vigna species form root-nodule partnerships that fix nitrogen with bacteria.

• Calcium cyanamideNarrower topic: The industrial synthesis fixes atmospheric nitrogen into a solid fertilizer.

• Norfolk four-course systemRelated: Legumes in the rotation replenished nitrogen used by cereal crops.