Dr. Arlene Adviento-Borbe
Research Agronomist|USDA-ARS Delta Water Management Research Unit
2024 Abstract - REDUCING GREENHOUSE GAS EMISSIONS IN IRRIGATED RICE USING HYBRID CULTIVARS: Paddy rice has the highest global warming potential (GWP) among the major cereal crops. Field studies were conducted to determine the potential of hybrid rice cultivars to reduce GHG emissions in drill seeded rice systems under Furrow irrigation (RR) and conventional flooding (CF). Seasonal CH4 emissions decreased by ca. 80% in RR compared to CF irrigation with the greatest reduction in RT7521FP. GWP values decreased by ca.77% in RR relative to CF. This study shows that high yielding hybrid rice and RR irrigation can mitigate greenhouse gas emissions while sustaining rice grain yields.
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