ISSN : 2663-2187

ASSESSING GREENHOUSE GAS EMISSIONS FROM RICE PADDY FIELDS: THE IMPACT OF WATER MANAGEMENT PRACTICES ON METHANE AND NITROUS OXIDE

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Dr. Shilpi Shrivastava , Dr. Preeti Pandey
» doi: 10.48047/AFJBS.6.10.2024.7543-7555

Abstract

Greenhouse gas (GHG) emissions from rice paddy fields, particularly methane (CH₄) and nitrous oxide (N₂O), contribute significantly to global climate change. This study assesses the impact of different water management practices—continuous flooding, intermittent flooding, and aerobic conditions—on GHG emissions from rice cultivation. Through a six-month experimental study across varied soil types and climate conditions, GHG emissions were measured and statistically analyzed. The results indicate that continuous flooding leads to the highest methane and nitrous oxide emissions, while intermittent flooding and aerobic conditions significantly reduce emissions by 20% and 45%, respectively. Despite the environmental benefits of aerobic conditions, this practice entails higher costs and slight reductions in crop yield, highlighting a trade-off between economic and environmental sustainability. The findings underscore the importance of integrating water and soil management practices to mitigate GHG emissions in rice paddies. This study provides valuable insights for farmers and policymakers aiming to enhance agricultural sustainability and contribute to climate change mitigation efforts.

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