What are the four methods of farming which heralded the Green Revolution? Write one harmful effect of Green Revolution.
Answer:
Points to remember:
The harmful effect of Green revolution:
- loss of soil fertility
- depletion o f the water table.
- kill the micro-organisms in the soil
Answer to be written in the exam:
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Methods of Modern Farming:
- Multiple cropping - To grow more than one crop on a piece of land during the year is known as multiple cropping.
- Fertilizers and HYV seeds - HYV seeds needed plenty of water and also c hemical fertilizers and pesticides to produce the best results.
- Irrigation - The farmers set up tubewells for irrigation.
- Farm machinery - Used to r educe labour on the farm and can work more effectively
Harmful effect of Green revolution:
- Green Revolution is associated with the loss of soil fertility due to the increased use of chemical fertilizers.
- Continuous use of groundwater for tubewell irrigation has led to the depletion of the water table.
- Chemical fertilizers kill the micro-organisms in the soil.
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