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<p>The correlation between irrigation water management practices and greenhouse gas (GHG) emissions has become an essential focus due to its implications for climate-conscious cultivation and climate change mitigation.&#xa0;This study examines the effect of irrigation water management practices on GHG emissions in agriculture through a systematic review and bibliometric analysis. The study focuses on various irrigation techniques, particularly alternate wetting and drying (AWD), and their effects on GHG emissions, water use efficiency, and crop yields. The bibliometric analysis reveals a significant increase in research output since 2009, with a surge in publications from 2016 to 2023. Key research themes include water management, methane and nitrous oxide emissions, climate change, and food security. The systematic review indicates that AWD and other water-saving irrigation practices generally reduce methane emissions and enhance water productivity in rice farming. However, some studies report increased nitrous oxide emissions. The global warming potential is lower in AWD systems than in continuous flooding. The degree to which these practices are effective is determined by factors such as soil type, crop variety, and fertilizer management. The study highlighted critical research gaps and emerging hotspots warranting further investigation. This study's findings aim to contribute to advancing sustainable water management practices in agricultural production systems, supporting global initiatives to reduce the impact of climate change and ensure food security.</p>

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A review of current trends and evolution of irrigation water management practices on greenhouse gas emissions

  • 期刊论文

  • 发表日期：

    2025年11月3日

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  • R. O. Darko,
  • F. Odoi-Yorke,
  • A. A. Abbey,
  • E. B. Agyekum,
  • L. K. Sam-Amoah

摘要

The correlation between irrigation water management practices and greenhouse gas (GHG) emissions has become an essential focus due to its implications for climate-conscious cultivation and climate change mitigation. This study examines the effect of irrigation water management practices on GHG emissions in agriculture through a systematic review and bibliometric analysis. The study focuses on various irrigation techniques, particularly alternate wetting and drying (AWD), and their effects on GHG emissions, water use efficiency, and crop yields. The bibliometric analysis reveals a significant increase in research output since 2009, with a surge in publications from 2016 to 2023. Key research themes include water management, methane and nitrous oxide emissions, climate change, and food security. The systematic review indicates that AWD and other water-saving irrigation practices generally reduce methane emissions and enhance water productivity in rice farming. However, some studies report increased nitrous oxide emissions. The global warming potential is lower in AWD systems than in continuous flooding. The degree to which these practices are effective is determined by factors such as soil type, crop variety, and fertilizer management. The study highlighted critical research gaps and emerging hotspots warranting further investigation. This study's findings aim to contribute to advancing sustainable water management practices in agricultural production systems, supporting global initiatives to reduce the impact of climate change and ensure food security.