What is/are the advantage/advantages of zero tillage in agriculture? 1. Sowing of wheat is possible without…

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. Select the correct answer using the code given below:
  1. 1 and 2 only
  2. 2 and 3 only
  3. 3 only
  4. 1, 2 and 3

Solution

Zero tillage enables sowing wheat without burning paddy residue (Happy Seeder), direct seeding of rice without nursery, and carbon sequestration as residues retain soil carbon. All three correct. Answer: (d).

Asked in: UPSC Prelims 2020

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