Nitrogen loss from urea application in paddy field is known as

A. Denitrification

B. Nitrification

C. Fixing

D. Leaching

Answer: Option A

Solution(By Examveda Team)

Nitrogen loss from urea application in paddy fields is known as Denitrification.
Denitrification in paddy soils is an environmentally important reaction, which reduces leaching or emission of nitrogen pollutants.
It is the process that converts nitrate to nitrogen gas, thus removing bioavailable nitrogen and returning it to the atmosphere.