Environment & Ecology2022
Among the following crops, which one is the most important anthropogenic source of both methane and nitrous oxide?
Explanation
Rice cultivation is the most significant anthropogenic source of both methane (CH4) and nitrous oxide (N2O) due to the anaerobic conditions created in paddy fields during flooding. These conditions foster the proliferation of methanogenic bacteria, leading to substantial methane emissions, while the application of nitrogenous fertilizers in rice agriculture contributes to nitrous oxide release through nitrification and denitrification processes. Understanding this relationship is crucial in addressing climate change impacts, making rice farming a critical focus for mitigation strategies in agricultural practices.
