Grey revolution is related to
Fertilizers
The Grey Revolution refers to fertilisers — option 2.
The colour revolutions of Indian agriculture are a standing favourite of examinations, and the full list is worth carrying :
| Revolution | Field |
|---|---|
| Green | Food grains, especially wheat and rice |
| White (Operation Flood) | Milk and dairy |
| Blue | Fish and aquaculture |
| Yellow | Oilseeds and edible oil |
| Grey | Fertilisers |
| Golden | Horticulture, fruits and honey |
| Silver | Eggs and poultry |
| Round | Potato |
| Pink | Onion, prawn and pharmaceuticals |
| Red | Meat and tomato |
| Brown | Leather, cocoa, non-conventional products |
| Black | Petroleum |
| Silver fibre | Cotton |
| Evergreen | Sustainable overall agricultural productivity — the term is M. S. Swaminathan’s |
Notice that three of the four options in this question are themselves colour revolutions — fisheries is Blue, oilseeds is Yellow, and potatoes is Round — which is exactly why the question is set this way.
Why fertilisers earned a revolution of their own. The Green Revolution rested on a package of three things: high-yielding dwarf varieties, assured irrigation, and heavy application of chemical fertiliser. The new varieties respond to nitrogen in a way that traditional tall varieties do not — a traditional plant given extra nitrogen simply grows tall and falls over. So expanding fertiliser production and distribution was indispensable, and the state built a large public-sector fertiliser industry to do it.
The cost. Fertiliser subsidy is now among the largest items of central expenditure, and imbalanced use — far too much urea relative to phosphate and potash — has damaged soil health, which is why the Soil Health Card scheme and nutrient-based subsidy were introduced.
Hence, the answer is Fertilizers.
Similar Questions
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Important Questions from Agriculture
How is permaculture farming different from conventional chemical farming?
1. Permaculture farming discourages monocultural practices but in conventional chemical farming, monoculture practices are predominant.
2. Conventional chemical farming can cause an increase in soil salinity but the occurrence of such phenomenon is not observed in permaculture farming.
3. Conventional chemical farming is easily possible in semi-arid regions but permaculture farming is not so easily possible in such regions.
4. Practice of mulching is very important in permaculture farming but not necessarily so conventional chemical farming
Select the correct answer using the code given below.
With reference to ‘palm oil’, consider the following statements:
1. The palm oil tree is native to Southeast Asia.
2. Palm oil is a raw material for some industries producing lipstick and perfumes.
3. Palm oil can be used to produce biodiesel.
Which of the statements given above are correct?
In the context of India’s preparation for Climate-Smart Agriculture, consider the following statements :
1. The ‘Climate-Smart Village’ approach in India is a part of a project Jed by the Climate Change, Agriculture and Food Security (CCAFS), an international research programme.
2. The project of CCAFS is carried out under Consultative Group on ‘International Agricultural Research (CGIAR) headquartered in France.
3. The International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) in India is one of the CGIAR’s research centres.
Which of the statements given above are correct?
With reference to 'Initiative for Nutritional Security through Intensive Millets Promotion', which of the following statements is/are correct?
1. This initiative aims to demonstrate the improved production and post-harvest technologies, and to demonstrate value addition techniques, in an integrated manner, with cluster approach.
2. Poor, small, marginal and tribal farmers have larger stake in this scheme.
3. An important objective of the scheme is to encourage farmers of commercial crops to shift to millet cultivation by offering them free kits of critical inputs of nutrients and microirrigation equipment.
Select the correct answer using the code given below.
Which of the following is/are the advantage /advantages of practising drip irrigation?
1. Reduction in weed
2. Reduction in soil salinity
3. Reduction in soil erosion
Select the correct answer using the code given below.
