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Effects of Green Manure Application and Prolonging Mid-Season Drainage on Greenhouse Gas Emission from Paddy Fields in Ehime, Southwestern Japan

Author

Listed:
  • Yo Toma

    (Graduate School of Agriculture, Ehime University, 3-5-7, Tarumi, Matsuyama 790-8566, Ehime, Japan)

  • Nukhak Nufita Sari

    (Faculty of Agriculture, Universitas of Gadjah Mada, Bulaksumur, Yogyakarta 55281, Indonesia)

  • Koh Akamatsu

    (Faculty of Agriculture, Ehime University, 3-5-7, Tarumi, Matsuyama 790-8566, Ehime, Japan)

  • Shingo Oomori

    (Graduate School of Agriculture, Ehime University, 3-5-7, Tarumi, Matsuyama 790-8566, Ehime, Japan)

  • Osamu Nagata

    (NARO Tohoku Agricultural Research Center, 4 Akahira, Shimokuriyagawa, Morioka 020-0198, Iwate, Japan)

  • Seiichi Nishimura

    (NARO Hokkaido Agricultural Research Center, 1, Hitsujigaoka, Toyohira-ku, Sapporo 062-8555, Hokkaido, Japan)

  • Benito H. Purwanto

    (Faculty of Agriculture, Universitas of Gadjah Mada, Bulaksumur, Yogyakarta 55281, Indonesia)

  • Hideto Ueno

    (Graduate School of Agriculture, Ehime University, 3-5-7, Tarumi, Matsuyama 790-8566, Ehime, Japan)

Abstract

Green manure application helps maintain soil fertility, reduce chemical fertilizer use, and carbon sequestration in the soil. Nevertheless, the application of organic matter in paddy fields induces CH 4 and N 2 O emissions. Prolonging mid-season drainage reduces CH 4 emissions in paddy fields. Therefore, the combined effects of green manure application and mid-season drainage prolongation on net greenhouse gas emission (NGHGE) were investigated. Four experimental treatments were set up over a 2-year period: conventional mid-season drainage with (CMG) and without (CM) green manure and prolonged (4 or 7 days) mid-season drainage with (PMG) and without (PM) green manure. Astragalus sinicus L. seeds were sown in autumn and incorporated before rice cultivation. No significant difference in annual CH 4 and N 2 O emissions, heterotrophic respiration, and NGHGE between treatments were observed, indicating that green manure application and mid-season drainage prolongation did not influence NGHGE. CH 4 flux decreased drastically in PM and PMG during mid-season drainage under the hot and dry weather conditions. However, increasing applied carbon increases NGHGE because of increased CH 4 and Rh. Consequently, combination practice of mid-season drainage prolongation and green manure utilization can be acceptable without changing NGHGE while maintaining grain yield in rice paddy fields under organically managed rice paddy fields.

Suggested Citation

  • Yo Toma & Nukhak Nufita Sari & Koh Akamatsu & Shingo Oomori & Osamu Nagata & Seiichi Nishimura & Benito H. Purwanto & Hideto Ueno, 2019. "Effects of Green Manure Application and Prolonging Mid-Season Drainage on Greenhouse Gas Emission from Paddy Fields in Ehime, Southwestern Japan," Agriculture, MDPI, vol. 9(2), pages 1-17, February.
    • Handle: RePEc:gam:jagris:v:9:y:2019:i:2:p:29-:d:202670
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    Citations

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    Cited by:

    1. 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.
    2. Ei Phyu Win & Kyaw Kyaw Win & Sonoko D. Bellingrath‐Kimura & Aung Zaw Oo, 2020. "Greenhouse gas emissions, grain yield and water productivity: a paddy rice field case study based in Myanmar," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 10(5), pages 884-897, October.
    3. Han, Yu & Zhang, Zhongxue & Li, Tiecheng & Chen, Peng & Nie, Tangzhe & Zhang, Zuohe & Du, Sicheng, 2023. "Straw return alleviates the greenhouse effect of paddy fields by increasing soil organic carbon sequestration under water-saving irrigation," Agricultural Water Management, Elsevier, vol. 287(C).

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