UPSC Previous Year Question | Prelims GS | 2022

"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 Select the correct answer using the code given below:

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

Answer

Correct Answer

1, 2 and 3

Explanation

SRI with alternate wetting-and-drying reduces seed requirement (single wider-spaced seedlings), reduces methane emissions (less flooding), and reduces electricity consumption for irrigation pumping — all three outcomes are correct.

Topics: alternate wetting and drying, environment, sustainable agriculture, system of rice intensification