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Impact of Rice Straw Mulch on Soil Physical Properties, Sunflower Root Distribution and Yield in a Salt-Affected Clay-Textured Soil

Author

Listed:
  • Priya Lal Chandra Paul

    (Land Management Group, Centre for Sustainable Farming Systems, Future Food Institute, Murdoch University, Murdoch, WA 6150, Australia
    Irrigation and Water Management Division, Bangladesh Rice Research Institute, Gazipur 1701, Bangladesh)

  • Richard W Bell

    (Land Management Group, Centre for Sustainable Farming Systems, Future Food Institute, Murdoch University, Murdoch, WA 6150, Australia)

  • Edward G. Barrett-Lennard

    (Land Management Group, Centre for Sustainable Farming Systems, Future Food Institute, Murdoch University, Murdoch, WA 6150, Australia
    Department of Primary Industries and Regional Development, South Perth, WA 6151, Australia)

  • Enamul Kabir

    (Agrotechnology Discipline, Khulna University, Khulna 9208, Bangladesh)

Abstract

Puddling of clay soils for rice transplanting causes a loss of soil structure and vertical shrinkage cracks that are hypothesized to hamper sunflower root growth in the following dry season. To alleviate soil constraints for sunflower root growth and yield, we examined the effects of three levels of mulch and two irrigation regimes in the dry season on a clay-textured soil in the coastal zone of Bangladesh. These treatments were no-mulch, rice straw mulch at 5 t ha −1 and 10 t ha −1 , irrigation applied to the field capacity (I1) and a water supply double that of the I1 treatment (I2). The rice straw mulch significantly increased soil water content by 3–9% and decreased soil penetration resistance by 28–77% and crack volume by 84–91% at A 0–30 cm soil depth relative to the no-mulch treatment. The better root development with the rice straw mulch increased sunflower yield by 23%. No benefit or further reduction in soil penetration resistance or yield improvement was obtained from increasing the level of mulch from 5 to 10 t ha −1 or the volume of irrigation water. It is concluded that ameliorating soil constraints by mulch application led to better root growth in the upper root zone and the increased yield in the clay soil.

Suggested Citation

  • Priya Lal Chandra Paul & Richard W Bell & Edward G. Barrett-Lennard & Enamul Kabir, 2021. "Impact of Rice Straw Mulch on Soil Physical Properties, Sunflower Root Distribution and Yield in a Salt-Affected Clay-Textured Soil," Agriculture, MDPI, vol. 11(3), pages 1-17, March.
    • Handle: RePEc:gam:jagris:v:11:y:2021:i:3:p:264-:d:520694
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    References listed on IDEAS

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    1. Sarker, Khokan Kumer & Hossain, Akbar & Timsina, Jagadish & Biswas, Sujit Kumar & Malone, Sparkle L. & Alam, Md. Khairul & Loescher, Henry W. & Bazzaz, Mahfuz, 2020. "Alternate furrow irrigation can maintain grain yield and nutrient content, and increase crop water productivity in dry season maize in sub-tropical climate of South Asia," Agricultural Water Management, Elsevier, vol. 238(C).
    2. Paul, Priya Lal Chandra & Bell, Richard W & Barrett-Lennard, Edward G. & Kabir, Enamul, 2020. "Straw mulch and irrigation affect solute potential and sunflower yield in a heavy textured soil in the Ganges Delta," Agricultural Water Management, Elsevier, vol. 239(C).
    3. Meghdad Jourgholami & Ali Nasirian & Eric R. Labelle, 2018. "Ecological Restoration of Compacted Soil Following the Application of Different Leaf Litter Mulches on the Skid Trail over a Five-Year Period," Sustainability, MDPI, vol. 10(7), pages 1-16, June.
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    Cited by:

    1. Wei Qi & Ce Wang & Zhanyu Zhang & Mingyi Huang & Jiahui Xu, 2022. "Experimental Investigation on the Impact of Drying–Wetting Cycles on the Shrink–Swell Behavior of Clay Loam in Farmland," Agriculture, MDPI, vol. 12(2), pages 1-15, February.
    2. Kaveney, Brooke & Barrett-Lennard, Edward & Chau Minh, Khoi & Dang Duy, Minh & Nguyen Thi, Kim Phuong & Kristiansen, Paul & Orgill, Susan & Stewart-Koster, Ben & Condon, Jason, 2023. "Inland dry season saline intrusion in the Vietnamese Mekong River Delta is driving the identification and implementation of alternative crops to rice," Agricultural Systems, Elsevier, vol. 207(C).
    3. Tianyu Qin & Lan Wang & Jianshe Zhao & Gaifang Zhou & Caihong Li & Liyue Guo & Gaoming Jiang, 2022. "Effects of Straw Mulching Thickness on the Soil Health in a Temperate Organic Vineyard," Agriculture, MDPI, vol. 12(11), pages 1-14, October.

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