Agriculture

Consider the following materials:
1. Agricultural residues
2. Corn grain
3. Wastewater treatment sludge
4. Wood mill waste
Which of the above can be used as feedstock for producing Sustainable Aviation Fuel?

Consider the following activities:
1. Spreading finely ground basalt rock on farmlands extensively
2. Increasing the alkalinity of oceans by adding lime
3. Capturing carbon dioxide released by various industries and pumping it into abandoned subterranean mines in the form of carbonated waters
How many of the above activities are often considered and discussed for carbon capture and sequestration?

Which one of the following best describes the concept of ‘Small Farmer Large Field?

The “Miyawaki method” is well known for the:

‘System of Rice Intensification’ of cultivation, in which alternate wetting and drying of rice fields is practised, results in :
1. Reduced seed requirement
2. Reduced methane production
3. Reduced electricity consumption
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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 led by the Climate Change, Agriculture and Food Security (CCAFS), an international research program.
2.The project of CCAFS is carried out under the 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 centers.
Which of the statements given above are correct?

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 this 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.The practice of mulching is very important in permaculture farming but not necessarily so in conventional chemical farming.
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In the context of India, which of the following is/are considered to be of practice(s) of
eco-friendly agriculture?
1. Crop diversification
2. Legume intensification
3. Tensiometer use
4. Vertical farming
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What is/are the advantage/advantages of zero tillage in agriculture?
1. Sowing of wheat is possible without burning the residue of previous crop.
2. Without the need for nursery of rice saplings, direct planting of paddy seeds in the wet
soil is possible.
3 Carbon sequestration in the soil is possible.
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What are the advantages of fertigation in agriculture?
1. Controlling the alkalinity of irrigation water is possible.
2. Efficient application of Rock Phosphate and all other phosphatic fertilizers is possible.
3. Increased availability of nutrients to plants is possible.
4. Reduction in the leaching of chemical nutrients is possible.
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