The Impact of magnetic water treatment on salt distribution in a large unsaturated soil column

Zlotopolski, Vladimir

doi:10.1016/j.iswcr.2017.05.009

Cited by 46 publications

(26 citation statements)

References 7 publications

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“…MWT reduced sodium concentrations in soil by leaching it below root zones [3,26]. This could explain why plants treated by MWT had less leaf sodium levels compared to non-MWT.…”

Section: Resultsmentioning

confidence: 99%

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Magnetic Treatment Reduces Water Usage in Irrigation Without Negatively Impacting Yield, Photosynthesis and Nutrient Uptake in Lettuce

Zlotopolski¹

2017

IJAAS

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Drought conditions in the Southwestern U. S. and other parts of the world, the potential future impacts of climate change and politically-charged decisions regarding the allocation of water resources continue to challenge the agricultural community to find ways to successfully grow necessary food crops using less irrigation water. In addition, in many parts of the U. S., high levels of certain salts render ground water supplies unusable for salt-sensitive crops. Salt accumulation in soil and in tissues can also be a problem when water conservation methods are applied. Methods that save water and counteract salt accumulation are needed. Historically, magnetic water treatment (MWT) has shown promise in addressing both concerns though results have been inconsistent and somewhat controversial. This study evaluated the effect of MWT on lettuce yield, photosynthetic activity and nutrient levels under various irrigation reduction regimes. In addition, Watermark soil moisture sensors from Irrometer were used to measure the matric potential of root-depth soil of MWT, and non-MWT plants under those same regimes. Results indicated that statistically significant increases in yield, total chlorophyll and concentrations of some macro and micro-nutrients in plants treated by MWT could be achieved while using significantly less water compared to non-MWT irrigation water. In addition, MWT may also help counteract the effect of harmful sodium buildup in plants when less irrigation water was used.

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“…MWT reduced sodium concentrations in soil by leaching it below root zones [3,26]. This could explain why plants treated by MWT had less leaf sodium levels compared to non-MWT.…”

Section: Resultsmentioning

confidence: 99%

“…It has also been shown that MWT alters the distribution of salts among soil layers, reducing their concentrations in the upper layers, which are more important for agriculture [3].…”

Section: Introductionmentioning

confidence: 99%

Magnetic Treatment Reduces Water Usage in Irrigation Without Negatively Impacting Yield, Photosynthesis and Nutrient Uptake in Lettuce

Zlotopolski¹

2017

IJAAS

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“…Figure 3b shows that the magnetic field supplied for nFe 3 O 4 recovery, decreases the removal efficiency. The magnetic field could be having influence on the water and soil's physical and chemical properties, such as removing excess soluble salts, dissolving slightly soluble components such as sulfates, phosphates and carbonates, and decreasing pH values of the soil [31]. It was reported that sulfate could have a negative effect on the Fenton process efficiency by forming an iron complex such as Fe 2+ 4 Fe 3+ 2 (OH) 12 SO 4 ·nH 2 O which removes iron ions [32].…”

Section: Resultsmentioning

confidence: 99%

Enhanced treatment of 2-methylpropane-2-thiol contaminated soil using magno-modified fenton process

Roohi

Fatehifar

2020

CI&CEQ

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Article Highlights• Magno-modified Fenton process is used for remediating 2-methylpropane-2-thiol polluted soil • H 2 O 2 , NaOH, Fe 3 O 4 and ethanol concentrations in the magnetic field are the influencing factor • The batch reactor exposed to the magnetic field is a good way of separating Fe 3 O 4 • H 2 O 2 /nanoFe 3 O 4 and NaOH/nanoFe 3 O 4 are the influencing interaction with a positive role • NanoFe 3 O 4 /ethanol, H 2 O 2 /NaOH and magnetic field/nanoFe 3 O 4 have a negative role in the remediation yield AbstractIn this work, the nano-magno-modified Fenton process for remediation of soil polluted with 2-methylpropane-2-thiol is investigated. In this two-step oxidation process, a nanocatalyst system is used, including Fe 2+ /Fe 3+ coupled with ethanol solvent exposed to the magnetic field. The data analysis resulting from analysis of variance shows that H 2 O 2 , NaOH, Fe 3 O 4 nanoparticle and ethanol concentration with magnetic field intensity are effective on 2-methylpropane-2--thiol removal efficiency (26.99, 4.36, 3.42, 17.63 and 8.66%, respectively). Moreover, H 2 O 2 /nanoFe 3 O 4 and NaOH/nanoFe 3 O 4 were the influencing interaction with a positive role and nanoFe 3 O 4 /ethanol, H 2 O 2 /NaOH and magnetic field/nanoFe 3 O 4 with a negative role.The maximum level of initial H 2 O 2 concentration, a minimum level of ethanol and certain levels of NaOH initial concentration (8.64 mass%), Fe 3 O 4 nanoparticles to soil ratio and magnetic field intensity (0.11 mass% w/w and 3585 Oe, respectively) were suggested for the maximum contaminant remediation efficiency in the studied interval (%R = = 92.02). The magno-modified Fenton process could be used for both, increasing the removal efficiency and minimizing the vaporization of similar organosulfur compounds. Experimental results show that the solvent addition for diluting thiol contaminant could reduce the removal efficiency while the coupling of Fe 3 O 4 and magnetic field is a good way of separation and reuse to solve the recovery problem of the nanoparticles.

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“…The amount of soil salinity accumulation decreased compared to the soil irrigated by non-treated saline leaching solution. Also, a decrease in EC and some ions (Na, Cl -, and SO4 -2 ) was observed at the end of the experiment (Zlotopolski, 2017). Maheshwari and Harsharn (2009) showed that as to soil properties after plant harvest, the use of magnetically treated irrigation water reduced soil pH but increased soil EC.…”

Section: -Soil Chemical Characteristicsmentioning

confidence: 89%

Effect of magnetic saline irrigation water and soil amendments on growth and productivity of Kalamata olive cultivar

Mohamed

Sherif

2020

Egyptian Journal of Agricultural Research

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he field experiment was conducted at Al-Salam International for Development and Agricultural Investment private farm at 64 Kilometer (Cairo-Alexandria Desert Road), Egypt to study the effect of magnetic saline irrigation water (MW) and soil amendments; magnetic iron (MI) and Nile fertile (NF); on vegetative growth, fruit characteristics, nutrients statues in leaves, fruits and some soil properties, besides proline content in the leaves and fruits of Kalamata olive trees under soil salinity of 3430 ppm and water salinity of 3904 ppm

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The Impact of magnetic water treatment on salt distribution in a large unsaturated soil column

Cited by 46 publications

References 7 publications

Magnetic Treatment Reduces Water Usage in Irrigation Without Negatively Impacting Yield, Photosynthesis and Nutrient Uptake in Lettuce

Magnetic Treatment Reduces Water Usage in Irrigation Without Negatively Impacting Yield, Photosynthesis and Nutrient Uptake in Lettuce

Enhanced treatment of 2-methylpropane-2-thiol contaminated soil using magno-modified fenton process

Effect of magnetic saline irrigation water and soil amendments on growth and productivity of Kalamata olive cultivar

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