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Reducing greenhouse gas emission by alternation of the upland crop rotation in the Mekong Delta, Vietnam

Author

Listed:
  • Tran Van Dung

    (Soil Science Department, College of Agriculture, Can Tho University, Can Tho, Vietnam)

  • Kim Thu Nguyen

    (Cuu Long Delta Rice Research Institute, Can Tho, Vietnam)

  • Nguyen Hoang Phuc Ho

    (Cuu Long Delta Rice Research Institute, Can Tho, Vietnam)

  • Nguyen Thanh Lich Duong

    (Cuu Long Delta Rice Research Institute, Can Tho, Vietnam)

  • Ngoc Minh Tam Vu

    (Cuu Long Delta Rice Research Institute, Can Tho, Vietnam)

  • Thi Phong Lan Nguyen

    (Cuu Long Delta Rice Research Institute, Can Tho, Vietnam)

  • Long Vu Van

    (Faculty of Natural Resources-Environment, Kien Giang University, Kien Giang, Vietnam)

  • Ben MacDonald

    (CSIRO Agriculture and Food, Black Mountain, Canberra, Australia)

Abstract

Agricultural production is one of the main sources of anthropogenic greenhouse gas (GHG) emissions, contributing 50% and 60% of CH4 and N2O emissions, respectively. This study evaluated the rice yield and components, the CH4 and N2O emissions and the global warming potential between the triple rice (R-R-R) and sesame-rice rotation (S-R-R) systems in Can Tho city, Vietnam. The experiments were conducted in 3 cropping seasons: Spring-Summer 2016, Summer-Autumn 2016, and Winter-Spring 2016-2017. The results showed that there was no significant difference in yield components and grain yield between triple rice and rotation systems. The application of sesame rotation in rice-based could reduce the CH4 and N2O emission by 30.5% and 18.7%, respectively. Global warming potential in the S-R-R rotation was 9860 kg CO2e/ha, significantly lower than the R-R-R rotation (12410 kg CO2e/ha) by 20.6%. These results show that the S-R-R rotation has the potential to mitigate GHG emissions, especially CH4, which contributes to a large amount of emissions in rice cultivation.

Suggested Citation

  • Tran Van Dung & Kim Thu Nguyen & Nguyen Hoang Phuc Ho & Nguyen Thanh Lich Duong & Ngoc Minh Tam Vu & Thi Phong Lan Nguyen & Long Vu Van & Ben MacDonald, 2023. "Reducing greenhouse gas emission by alternation of the upland crop rotation in the Mekong Delta, Vietnam," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 18(1), pages 16-24.
    • Handle: RePEc:caa:jnlswr:v:18:y:2023:i:1:id:44-2022-swr
    DOI: 10.17221/44/2022-SWR
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    References listed on IDEAS

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    1. Yuanfeng Cai & Yan Zheng & Paul L. E. Bodelier & Ralf Conrad & Zhongjun Jia, 2016. "Conventional methanotrophs are responsible for atmospheric methane oxidation in paddy soils," Nature Communications, Nature, vol. 7(1), pages 1-10, September.
    2. Lam Van Tan & Thanh Tran & Ho Huu Loc, 2020. "Soil and Water Quality Indicators of Diversified Farming Systems in a Saline Region of the Mekong Delta, Vietnam," Agriculture, MDPI, vol. 10(2), pages 1-16, February.
    3. Tran, Thong Anh & Nguyen, Tri Huu & Vo, Thang Tat, 2019. "Adaptation to flood and salinity environments in the Vietnamese Mekong Delta: Empirical analysis of farmer-led innovations," Agricultural Water Management, Elsevier, vol. 216(C), pages 89-97.
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