UPSC Previous Year Question | Prelims GS | 2020

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.

  1. 1 and 2 only
  2. 2 and 3 only
  3. 3 only
  4. 1, 2 and 3

Answer

Correct Answer

1, 2 and 3

Explanation

Zero tillage lets wheat be sown directly into paddy residue (avoiding stubble burning) and paddy seeds be directly seeded without a nursery. Reduced soil disturbance also helps sequester carbon in the soil.

Topics: agriculture & soil management, conservation agriculture, environment & ecology, zero tillage - advantages