Saved Bookmarks
| 1. |
Explain merit and demerit of green revolution |
|
Answer» It means advantages and disadvantage Merits:1.higher yield2.Machines made for ploughing harvesting easy.3. Surplus food can be sold to earn more .4. Pests and insects controlled by pesticides and insecticides5. Good irrigation enhances production .Demerits:1. Loss of fertility with chemical fertiliser.2. Use of tubewells reduce the water tables.3. Chemical fertiliser polluted ground water.4. Kills bacteria and microorganisms helpful fossil.5. Excessive use of fertiliser makes soil alkaline and unfit for cultivation |
|