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Emission Laws and Influence Factors of Greenhouse Gases in Saline-Alkali Paddy Fields

Author

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  • Jie Tang

    (Key Lab of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China
    College of Environment and Resources, Jilin University, Changchun 130021, China)

  • Shuang Liang

    (Key Lab of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China
    College of Environment and Resources, Jilin University, Changchun 130021, China)

  • Zhaoyang Li

    (Key Lab of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China
    College of Environment and Resources, Jilin University, Changchun 130021, China)

  • Hao Zhang

    (Key Lab of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China
    College of Environment and Resources, Jilin University, Changchun 130021, China)

  • Sining Wang

    (Key Lab of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China
    College of Environment and Resources, Jilin University, Changchun 130021, China)

  • Nan Zhang

    (Engineering College of Jilin University, Changchun 130026, China)

Abstract

The study of greenhouse gas emissions has become a global focus, but few studies have considered saline-alkali paddy fields. Gas samples and saline-alkali soil samples were collected during the green, tillering, booting, heading and grain filling stages. The emission fluxes of CO 2 , CH 4 , and N 2 O as well as the pH, soil soluble salt, available nitrogen, and soil organic carbon contents were detected to reveal the greenhouse gas (GHG) emission laws and influence factors in saline-alkali paddy fields. Overall, GHG emissions of paddy soil during the growing season increased, then decreased, and then increased again and peaked at booting stage. The emission fluxes of CO 2 and CH 4 were observed as having two peaks and a single peak, respectively. Both the total amount of GHG emission and its different components of CO 2 , CH 4 , and N 2 O increased with the increasing reclamation period of paddy fields. A positive correlation was found between the respective emission fluxes of CO2, CH 4 , and N 2 O and the available nitrogen and SOC, whereas a negative correlation was revealed between the fluxes of CO 2 , CH 4 , and N 2 O and soil pH and soil conductivity. The study is beneficial to assessing the impact of paddy reclamation on regional greenhouse gas emissions and is relevant to illustrating the mechanisms concerning the carbon cycle in paddy soils.

Suggested Citation

  • Jie Tang & Shuang Liang & Zhaoyang Li & Hao Zhang & Sining Wang & Nan Zhang, 2016. "Emission Laws and Influence Factors of Greenhouse Gases in Saline-Alkali Paddy Fields," Sustainability, MDPI, vol. 8(2), pages 1-14, February.
    • Handle: RePEc:gam:jsusta:v:8:y:2016:i:2:p:163-:d:63880
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    Citations

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    Cited by:

    1. Hao Zhang & Jie Tang & Shuang Liang & Zhaoyang Li & Ping Yang & Jingjing Wang & Sining Wang, 2017. "The Emissions of Carbon Dioxide, Methane, and Nitrous Oxide during Winter without Cultivation in Local Saline-Alkali Rice and Maize Fields in Northeast China," Sustainability, MDPI, vol. 9(10), pages 1-16, October.
    2. Jie Tang & Jingjing Wang & Zhaoyang Li & Sining Wang & Yunke Qu, 2018. "Effects of Irrigation Regime and Nitrogen Fertilizer Management on CH 4 , N 2 O and CO 2 Emissions from Saline–Alkaline Paddy Fields in Northeast China," Sustainability, MDPI, vol. 10(2), pages 1-15, February.
    3. Habib Mohammad Naser & Osamu Nagata & Sarmin Sultana & Ryusuke Hatano, 2019. "Carbon Sequestration and Contribution of CO 2 , CH 4 and N 2 O Fluxes to Global Warming Potential from Paddy-Fallow Fields on Mineral Soil Beneath Peat in Central Hokkaido, Japan," Agriculture, MDPI, vol. 10(1), pages 1-18, December.
    4. Yunke Qu & Jie Tang & Zhaoyang Li & Zihao Zhou & Jingjing Wang & Sining Wang & Yidan Cao, 2020. "Soil Enzyme Activity and Microbial Metabolic Function Diversity in Soda Saline–Alkali Rice Paddy Fields of Northeast China," Sustainability, MDPI, vol. 12(23), pages 1-15, December.
    5. Jae-Ryoung Park & Yoon-Hee Jang & Eun-Gyeong Kim & Gang-Seob Lee & Kyung-Min Kim, 2023. "Nitrogen Fertilization Causes Changes in Agricultural Characteristics and Gas Emissions in Rice Field," Sustainability, MDPI, vol. 15(4), pages 1-15, February.

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