Nitrite is oxidised to nitrate with the help of

Nitrite is coverted to nitrate by

Nitrite is changed to nitrate by

Nitrite is converted to nitrate by

Nitrite is converted to nitrate by

Nitrite is further oxidised to nitrate by the activity of

Nitrite is converted to nitrate by:

A : Ammonia is oxidised first to nitrate then to nitrite by the action of Nitrosomonas and Nitrobacter respectively. R : Nitrite thus formed is absorbed by leaves.