Effects of Adding a Chelator After Ozone Microbubble Generation on Nutrient Composition, Medium Sterility, and Plant Growth

Ikeura, Hiromi; Goto, T.; Tamaki, Masahiko

doi:10.1007/s11270-017-3647-3

Cited by 41 publications

(5 citation statements)

References 43 publications

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“…Chlorosis, brown spots, and even necrosis observed in certain sectors of the leaves could be explained by the decrease in Fe content found at the end of the experiment in the nutrient solution (Figure 1). As mentioned, Fe plays a fundamental role in the composition of plant chlorophylls [20]. Similarly, tomato plants intermittently irrigated with ozonated water showed significantly lower Fe content in leaf tissue compared to control and continuous irrigation with ozonated water [17].…”

Section: Evaluation Of Plant Growthmentioning

confidence: 75%

Section: Evaluation Of Plant Growthmentioning

confidence: 92%

“…Particularly since iron (Fe) is water soluble and readily available to plants as ferrous ion (Fe 2+) [43]. However, agreeing to some authors, these losses could be largely controlled with the use of iron chelates, such as ethylenediaminetetraacetic acid (EDTA), diethylenetriaminepentaacetic acid (DTPA) or ethylenediamine-N,N -bis (2-hydroxyphenylacetic acid) (EDDHA) [20,44]. These chelating compounds form a soluble complex with cations held by ionic forces so that they are readily available to plants [45].…”

Section: Chemical Analysis In the Nutrient Solutionmentioning

confidence: 99%

“…As a result, the nutrient solution varies in its ion content, which can lead to deficiencies or toxicities in plants [4]. Previous studies have shown that macronutrients are not affected by ozonation although some micronutrients such as iron (Fe) and manganese (Mn) have precipitated [19,20]. Therefore, although the application of O 3 in nutrient solution recycling and sanitization technology has many attractive features, there are also some major disadvantages and a lack of knowledge that prevents farmers from its large-scale application.…”

Section: Introductionmentioning

confidence: 99%

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Effect of the Ozone Application in the Nutrient Solution and the Yield and Oxidative Stress of Hydroponic Baby Red Chard

Machuca Vargas,

Silveira Gómez,

Hernández-Adasme

et al. 2023

Horticulturae

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Novel ozone (O3) sanitizing treatments can be used to decrease the microbial load during cultivation, but they would affect the composition of the nutrient solution. Variations in the nutrient composition decrease crop yields, especially if a strong oxidizing agent such as ozone is used. In this study, O3 was applied throughout the culture every two days at doses of 0.0 (control); 0.5; 1.0; and 2.0 mg·L−1 for 3 min on baby red chard (Beta vulgaris L. cv. SCR 107) grown in a floating hydroponic system. Macronutrients and micronutrients in the nutrient solution, yield, antioxidant compounds, and oxidative stress enzymes were evaluated in plants. Macronutrients in the nutrient solution were not affected by O3, whereas micronutrients, such as Fe and Mn, decreased by 88.2 and 39.6%, respectively, at the 0.5 mg·L−1 dose. The dose of 0.5 mg·L−1 produced more fresh matter and leaf area than the control. Antioxidant capacity and total phenols were not significantly affected by O3 treatments; however, higher SOD, CAT, and APX activity after O3 applications were found. It is concluded that ozone applications to the nutrient solution affect the availability of some micronutrients and increase oxidative stress and yield in baby red chard plants.

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Section: Evaluation Of Plant Growthmentioning

confidence: 75%

Section: Evaluation Of Plant Growthmentioning

confidence: 92%

Section: Chemical Analysis In the Nutrient Solutionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effect of the Ozone Application in the Nutrient Solution and the Yield and Oxidative Stress of Hydroponic Baby Red Chard

Machuca Vargas,

Silveira Gómez,

Hernández-Adasme

et al. 2023

Horticulturae

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“…Recently, many studies involving microbubbles (average particle diameter less than 100 µm) have attracted attention. For example, microbubbles have been applied to aquaculture and growth promotion in fisheries and agriculture [4][5][6]; they have been used to improve water quality (purification effect) in environmental and civil engineering [7][8][9][10]; and they have been used for cleaning [11][12][13], sterilization [14][15][16], and drag reduction [17][18][19][20][21] in industrial applications. Kodama et al developed a technology to reduce frictional resistance by injecting air bubbles into the wall of a ship [17], but they used millimeter-sized bubbles.…”

Section: Introductionmentioning

confidence: 99%

Pseudo-Laminarization of Mixed Microbubble Water and Complex Fluids in Capillary Flows

2021

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Symmetry in fluid flow is determined by external factors such as magnetic or electric fields. Owing to the electrical properties of fluids, liquids containing fine bubble or ionic surfactant molecules differ from the normal fluid flow. Therefore, the pressure drop and frictional coefficient in a pipe are measured and estimated for water alone, for mixed microbubble water (MB), and for complex fluids (anionic surfactant solution and polymer solution) in capillary flow with constant flow rate. For water alone, good agreement is obtained between the experimental and theoretical values for laminar Hagen–Poiseuille flow and the Blasius expression in turbulent flow. For the MB, pseudo-laminarization is suggested up to a Reynolds number of 4.2×103. Both the anionic surfactant solution and the polymer solution exhibit the same tendency as that of the MB. In explaining these behaviors, elasticity and electrical interaction are discussed, and electrical interaction on the capillary wall is strongly suggested to be a contributing factor. Additionally, surface tension is investigated and supports the discussion.

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Layered Double Hydroxide: An Economical and Dynamic Choice for Water Remediation with Multiple Functionality

Gupta,

Singh,

Koranne

et al. 2024

ChemistrySelect

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In terms of environmental pollution, water pollution is the most significant problem facing living organisms worldwide. Pollutants of various types, including toxic, inorganic, and organic materials, have a detrimental impact on terrestrial and aquatic ecosystems. Materials with layers, such as layered double hydroxides (LDHs), a type of synthetic anion clay, have a wide range of potential applications. In this comprehensive study, we have discussed variety of LDHs, and their explicit properties which have significant advantages for the removal of a variety of pollutants from water. Besides these, LDHs are easily synthesized with high yield and, tuneable structure based on choice of metals, etc. Based on these unique potentials, we have summarized how layered double hydroxides and their hybrids are synthesized efficiently. The performance and applications in removing water pollutants involving heavy metals, inorganic anions, and organics at different parameters such as temperature, adsorbent dosage, pH, and contact time are discussed. Consolidated information has been provided regarding the LDH synthesis, conditions for adsorption, and reference of the particular work. The worked‐up LDH's regeneration potential and methods evolved for regenerating it, different kinetic models and isotherms are also discussed.

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Effects of Adding a Chelator After Ozone Microbubble Generation on Nutrient Composition, Medium Sterility, and Plant Growth

Cited by 41 publications

References 43 publications

Effect of the Ozone Application in the Nutrient Solution and the Yield and Oxidative Stress of Hydroponic Baby Red Chard

Effect of the Ozone Application in the Nutrient Solution and the Yield and Oxidative Stress of Hydroponic Baby Red Chard

Pseudo-Laminarization of Mixed Microbubble Water and Complex Fluids in Capillary Flows

Layered Double Hydroxide: An Economical and Dynamic Choice for Water Remediation with Multiple Functionality

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