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What Can Be The Impact Of Excessive/Inappropriate Use of Nitrogeneous Fertilizer in Agriculture?

What can be the impact of excessive/inappropriate use of nitrogeneous fertilizer in agriculture?

  1. Proliferation of nitrogen-fixing microorganisms in soil can occur.
  2. Proliferation of nitrogen-fixing microorganisms in soil can occur.
  3. Leaching of nitrate to the ground-water can occur.

Select the correct answer using the code given below.(2015)

a) 1 and 3 Only

b) 2 Only

c) 2 and 3 Only

d) 1, 2 and 3

Answer: C

Increasing the amount of nitrogen based fertilizer does not lead to more micro-organisms in the field. If it did, just one dose of fertilizer would make a farm nitrogen rich for years together.

Excessive use of nitrogen fertilizers resulting in soil acidity is a well-known fact.

Nitorgen fertilizers break down into nitrates and travel easily through the soil. Because it is water-soluble and can remain in groundwater for decades, the addition of more nitrogen over the years has an accumulative effect.


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