Neem coating acts as a nitrification inhibitor. It slows down the conversion of urea into ammonium nitrate and then into nitrates by soil bacteria. This process makes nitrogen available to plants over a longer period, reduces nitrogen loss through leaching and volatilization, and increases nitrogen use efficiency by crops.
Why does the Government of India promote the use of 'Neem-coated Urea' in agriculture?
Asked in UPSC IAS 2016 · Topic: Pollution (Water Pollution: Sources, common pollutants, water quality indicators (BOD, COD, DO), effects, control measures.)
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Answer: B. Neem coating slows down the rate of dissolu‐ tion of urea in the soil
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