Question

When was green revolution introduced in India write its merits and demerits ?

Answer 1

Green Revolution. Green Revolution Intensive plan of the 1960s to increase crop yields in developing countries by introducing higher-yielding strains of plant and new fertilizers. The scheme began in Mexico in the 1940s, and was successfully introduced in parts of India, se Asia, the Middle East, and Latin America.
Merits :
1. Higher Yield.
2. Machines made for ploughing harvesting easy.
3. Surplus food can be sold to earn more.
4. Pests and insects controlled by pesticides and insecticides.
5. Good irrigation enhances production.
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

Answer:

Green Revolution introduced a number of modern farming methods in India. Higher yield due to the use of HYV seeds. Machines like harvesters, tractors and threshers have made ploughing and harvesting faster and easier.