Atmospheric nitrogen is directly replenished in nature th...
Atmospheric nitrogen is directly replenished in nature through
the activities of denitrifying bacteria
the breakdown of ammonium salts in the soil
the activities of nitrifying bacteria
the activities of nitrogen-fixing bacteria in root nodules
egestion, death and decay
Correct answer is A
The nitrogen in the soil is converted to atmospheric nitrogen by the process of DENITRIFICATION. This is done by the action of denitrifying bacterias eg several species of Pseudomonas.
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