5 merits and demerits of green revolution
Answers
it gave good yields
good production
demerits
harms the plant
spreads pollution
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.