Question

write a note on green revolution its merits and demerits

Answer 1

here is ur answer :-(


merits of green revolution -

1. higher field due to the use of HYV seeds

2. machines like harvesters , tractors and Threshers have made plugging and harvesting faster and easier.

3. higher yield enabled farmer to sell the surplus good in the market and earn more.

4. a good irrigation system is able to enhance crop production.

5. pesticides and insecticides are able to protect the crop from pests and insects.

demerits of green revolution -

1. loss of soil fertility due to the increased use of chemical fertilizers.

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

3. the chemical fertilizers ,easily soluble in water ,can dissolve in the groundwater and pollute it.

4. they can kill bacteria and other microorganisms helpful for the soil.

5. excessive use of fertilizers can also makes the soil alkaline and unfit for cultivation.

hope it help u....

Answer 2

Answer:

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.