青云翻译

According to the tightness of the nitrogen-fixing bacteria and plant relations, division of biological nitrogen fixation nitrogen fixation, since the raw associative nitrogen fixation and symbiotic nitrogen fixation of three main types.

According to how tightly the relationship between nitrogen fixing bacteria and plants, divided for nitrogen fixation, biological nitrogen fixation of associative symbiotic nitrogen fixation of nitrogen and 3 main types.

According to azotobacter and plant relations close degree, the people divide the biological fixation of nitrogen for from live the nitrogen fixation, the union nitrogen fixation and the symbiotic fixation 3 kind of predominant types.

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According to how tightly the relationship between nitrogen fixing bacteria and plants, divided for nitrogen fixation, biological nitrogen fixation of associative symbiotic nitrogen fixation of nitrogen and 3 main types.