Nanobubble Watering Affects Nutrient Release and Soil Characteristics

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Irrigation with gaseous nanobubble (NB)-containing water has been demonstrated to promote seed germination and plant growth. To further reveal the impacts of NBs on plant growth, this study compared soil chemical properties and the release of soil elements (e.g., NH4+, K+, and Mg2+) before and after immersion with different gaseous NBs such as oxygen (O2), nitrogen (N2), hydrogen (H2), carbon dioxide (CO2), and air. Exposure to NBs resulted in different influences on the soil pH, dissolved oxygen (DO), redox potential, and nutrient release. For instance, O2 NBs significantly increased both DO and redox potentials of the treated soil. CO2 NBs increased the release of Ca2+, Mg2+, and PO43- from the treated soil, whereas N2 NBs only improved the NH4+ release from the soil. Finally, multiple-factor correlation analysis and principal component analysis revealed intercorrelations between the different soil properties and confirmed that the nutrient ion release was highly dependent on the type or composition of NBs.

Original languageEnglish (US)
JournalACS Agricultural Science and Technology
StateAccepted/In press - 2021

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Food Science
  • Plant Science
  • Agricultural and Biological Sciences (miscellaneous)


  • dissolved organic matter
  • nanobubbles
  • nutrient release
  • soil characteristics
  • sustainable agriculture


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