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ICSE - VIII - Biology

Why does denitrification of bacteria occur?

Asked by avsk53 15th March 2017, 1:30 PM
Answered by Expert


Hi Abhiram,

Denitrification is a natural soil microbial process where nitrate (NO3 -) is converted to nitrogen (N) gases that are lost to the atmosphere. When the oxygen (O2) supply in soil becomes limited, a variety of bacteria use the oxygen in nitrate for respiration. Denitrification most commonly occurs in wet or waterlogged soils where the oxygen supply for respiration is restricted.

Answered by Expert 15th March 2017, 5:31 PM

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