Question

what is green revolution?It's advantages and disadvantages

Answer 1

the great improvement in the production of crops during the period of 1960to1980 is known as green revolution .its advatage is that the crop produce fastly with out perfect care and its disadvatage is that it causes the pests and weeds hezard

Answer 2

A large increase in crop production in developing countries achieved by the use of artificial fertilizers , pesticides and high yield crop varieties .

Merits :-

1) higher yield due to the use of HYV seeds .

2) higher yield enabled farmers to sell the surplus food in the market and earn more .

3) pesticides and insecticides are able to protect the crops from pests and insects .

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

Demerits :-

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

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

3) They can kill bacteria and other microorganism helpful for the soil .

4) excessive use of fertilizers can also make the soil alkaline and unfit for cultivation .

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