nitrogen fixation

nitrogen fixation defined in 1951 year

nitrogen fixation - nitrogen fixation;
nitrogen fixation - Conversion of atmospheric nitrogen into organic nitrogen compounds, a process that can be carried out only by certain soil-inhabiting bacteria and certain blue-green algae (Cyanophyta). Some nitrogen-fixing bacteria live symbiotic-ally with leguminous plants (peas, beans, clover, etc.) in nodules on roots, others live independently in soil. By their activity soil is enriched in nitrogen, a fact of considerable practical importance. See also: Nitrogen Cycle.

near nitrogen fixation in Knolik

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