Question

Describe any three demerits of green revolution

Answer 1

Demerits :
1. Loss of fertility with use of chemicalfertilizers.
2. Use of tube wells reduced the water table.
3. Chemical fertilizers polluted ground water.
4. Kills bacteria and micro organism helpful fossil.
5. Excessive use of fertilizers makes soil alkaline and unfit for cultivation.

Answer 2

pesticides and fertilisers cause soil pollution
the quality of soil become poor due to production of grains without break
it kills important micro organisms which help to fertilise the land