Define Green Revolution. How did it help in agricultural development? What are its drawbacks?

Green Revolution refers to the global increase in agricultural productivity that was brought by introduction of chemical fertilizers, synthetic herbicides and pesticides, high-yield crops, and the method of multiple cropping. It helped the agriculture industry to produce much larger quantities of food. This increase in productivity made it possible to feed the growing human population.

The drawbacks of Green Revolution are:

1. The Green Revolution used a lot of chemical pesticides and fertilizers.
2. These chemicals were very toxic and not safe for humans and other organism.
3. The use of chemical fertilizer and pesticide created lot of pollution.
4. Excessive use of fertilizers made soil alkaline and unfit for cultivation.
5. Chemical fertilisers polluted groundwater.