tfyfejeje1739
18.09.2019 •
Biology
Explain how tillage has negative effects on the environment.
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Ответ:
Ответ:
Nitrogen-fixing bacteria fix atmospheric nitrogen to ammonia, which can then be taken up by plants.
The process is called biological nitrogen fixation. Rhizobium, Azotobacter, cyanobacteria are some examples of nitrogen-fixing bacteria, which may be free-living or symbiotic.