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Implications of surfactant application on soil hydrology, macronutrients, and organic carbon fractions: An integrative field study

Author

Listed:
  • Cansu Almaz

    (Department of Water Resources, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Recep Serdar Kara

    (Department of Water Resources, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Markéta Miháliková

    (Department of Water Resources, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Svatopluk Matula

    (Department of Water Resources, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

Abstract

This study investigates the effects of repeated applications of the non-ionic soil surfactant H2Flo (ICL-SF Inc., Israel) on the soil water content, hydraulic conductivity, nutrient distribution, and organic carbon fractions (OCFs) in non-hydrophobic loamy sand soils under subsurface drip irrigation. Our results indicate that H2Flo treatment reduces both saturated and unsaturated hydraulic conductivity while promoting the uniform irrigation distribution, consistent with previous findings on surfactants' effects on sandy soils. An increase in soil pH levels, organic carbon content, and extractable magnesium, calcium, and potassium was observed in treated soils, with elevated levels of potassium permanganate oxidizable organic carbon (POXC) implying accelerated decomposition rates. Notably, a positive linear relationship was found between POXC and the increased NO3--N content of treated soils, suggesting induced conditions of nitrification. However, the carbon fractions water-soluble organic carbon (Cws) and hot water-soluble organic carbon (Chws) remained quantitatively unchanged, even though they exhibited a positive linear relationship with the soil's hydraulic conductivity. The study highlights the crucial role of monitoring changes in OCFs and nutrient dynamics after surfactant application to optimize soil organic matter utilization and chemical fertilizer management.

Suggested Citation

  • Cansu Almaz & Recep Serdar Kara & Markéta Miháliková & Svatopluk Matula, 2023. "Implications of surfactant application on soil hydrology, macronutrients, and organic carbon fractions: An integrative field study," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 18(4), pages 269-280.
    • Handle: RePEc:caa:jnlswr:v:18:y:2023:i:4:id:88-2023-swr
    DOI: 10.17221/88/2023-SWR
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    References listed on IDEAS

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    1. Enzhan Song & Xiaowei Pan & Robert J. Kremer & Keith W. Goyne & Stephen H. Anderson & Xi Xiong, 2019. "Influence of Repeated Application of Wetting Agents on Soil Water Repellency and Microbial Community," Sustainability, MDPI, vol. 11(16), pages 1-13, August.
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    1. Cansu Almaz & Recep Serdar Kara & Markéta Miháliková & Svatopluk Matula, . "Implications of surfactant application on soil hydrology, macronutrients, and organic carbon fractions: An integrative field study," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 0.

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