Write 4 drawbacks of green revolution?

Disadvantages of Green revolution:

•  The usage of a high quantity of pesticides and insecticides incorporated toxicity in the plants. In order to protect crops from different types of disease caused by pest as well as the damages caused by insects, the farmers used pesticides and insecticides at a high amount.
•  The production of different varieties of one single crop was affected. It is because the green revolution programme concentrated mainly on crop with varieties which were very naturally high yielding and did not consider low yielding crop varieties.
•  As the water and soil from framing land are ruined either due to rain or flood, all the toxic content of pesticides and other chemicals present in the soil gets mixed with the nearby water source and it leads to the death of aquatic organisms mostly fish. "