Among the following crops, which one is the most important anthropogenic source of both methane and nitrous…

Among the following crops, which one is the most important anthropogenic source of both methane and nitrous oxide?
  1. Cotton
  2. Rice
  3. Sugarcane
  4. Wheat

Solution

Paddy/rice cultivation, particularly with continuous flooding, is the largest anthropogenic source of methane (CH4) from agriculture. With nitrogenous fertilizer use, it is also a significant source of nitrous oxide (N2O).

Asked in: UPSC Prelims 2022

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