Describe merites and demerits of green revolutions
Answers
1)The production of food grains has increased many times.
2)India has become self sufficient in food grains.
3)Agro based industries have got boast in agriculture.
4)The living standared of the farmers has improved.
Demerits of green revolutions:
1)It was not suitable for poor farmers as it requireq huge amount of capital.
2)It decreased soil fertility of land due to continous use of chemical fertilizers.
3)It also reduces water level of ground due to continous use of ground water for irrigation.
4)Green revolution is limited to only part of India.
Merits of green revolution :-
♥ Higher yield due to the use of HYV seeds.
♥ Machines like harvesters and tractors 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.