Question

what is green revolution? state the negative effect of green revolution

Answer 1

the massive increasing of production of grains is known as green revolution.it is introduced by Ms swaminath in India to increase the production of grain in 1960.

disadvantage

1. by excessive use of fertilizers and pesticides increase the pollution in environment.
2.fertility of soil had reduced and nutrients in soil reduced.
3. water content in soil reduced.
these disadvantages can be over come by biological fertilizers

Answer 2

Answer:

Positive impacts....

1. It increased the amount of yields

2. There was no scarcity of food.

3. Farmers were able to grow more than one crop in a season.

4. The machines such as threshers etc. reduced the time taken

5. Irrigation system improved.

6. HYV seeds improved the quality of crops.

7. Chemicals such as fertilizers proved the nutrients to the crops faster than the compost.

Negative impacts....

1. Use of underground water depleted the underground water level and the water table.

2. Use of fertilizers and pesticides and weedicides polluted the soil and underground water.

3. Soil became infertile due to continuous use of fertilizers on the same piece of land again and again.