Question

Write the merits and demerits of green Revolution.​

Answer 1

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Merits of the Green Revolution:

Green Revolution introduced a number of modern farming methods in India.

Higher yield due to the use of HYV seeds.

Machines like harvesters, tractors and threshers have made ploughing and harvesting faster and easier.

Higher yield enabled farmers to sell the surplus food in the market and earn more.

Pesticides and insecticides are able to protect the crops from pests and insects.

A good irrigation system is able to enhance crop production.

Demerits of the Green Revolution:

Loss of soil fertility due to increased use of chemical fertilisers.

Continuous use of groundwater for tubewell irrigation has reduced the water table below the ground.

The chemical fertilisers, easily soluble in water, can dissolve in the groundwater and pollute it.

They can kill bacteria and other micro-organisms helpful for the soil.

Excessive use of fertilisers can also make the soil alkaline and unfit for cultivation.

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Answer 2

Answer:

Merits of green revolution:

• The production of food grains has increased many times.
• India has become self sufficient in food grains.
• Agro based industries have got boast in agriculture.
• The living standared of the farmers has improved.

Demerits of Green revolution:

• A lack of biodiversity in the global structures of croplands has been established.
• With one ravaging disease, it can be washed out.
• It decreases the soil quality used for growing crops.
• It needs the use of agricultural methods that are not sustainable.