Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/50972
Title: Magnetic treatment of fertigation solutions can change the phosphorus adsorption dynamics on a typic hapludox soil
Keywords: Agricultural water treatment
Sorption isotherms
Irrigation water management
Irrigation water quality
Soil ion retention
Águas residuais - Tratamento
Isotermas de sorção
Manejo da irrigação
Água de irrigação - Qualidade
Fósforo - Adsorção
Fertirrigação
Issue Date: May-2022
Publisher: Taylor & Francis Group
Citation: DEUS, F. P. de et al. Magnetic treatment of fertigation solutions can change the phosphorus adsorption dynamics on a typic hapludox soil. Communications in Soil Science and Plant Analysis, [S. I.], v. 53, n. 20, p. 2710-2718, 2022. DOI: 10.1080/00103624.2022.2072868.
Abstract: The aim of this study was to evaluate the influence of preparation procedure of magnetically treated phosphate solutions and the evaluation time after the magnetic treatment, in the phosphorus adsorption on a Typic Hapludox soil, for different initial concentrations. The experimental treatments were defined by the combination of three evaluation times after magnetization (5 min, 60 min, and 24 hours), three forms of phosphate solution preparation (control, solution preparation with magnetic water, and phosphate solution magnetically treated), and five initial concentrations of phosphorus (50, 100, 150, 200 and 300 mg L−1) obtained from solutions of purified NH4H2PO4. The phosphorus adsorption evaluation was made by the decantation sorption method. To evaluate the adsorption behavior, the data were fitted to the Linear, Freündlich, Langmuir and Redlich-Peterson adsorption isotherm models. It was observed that magnetically treated phosphate solutions determined different phosphorus adsorption behavior and magnitudes than the untreated solution, with potential to decrease the amount of adsorbed phosphorus up to 60 minutes after treatment, for solutions prepared with previously magnetized water, and for up to 24 hours for magnetized phosphate solutions.
URI: https://doi.org/10.1080/00103624.2022.2072868
http://repositorio.ufla.br/jspui/handle/1/50972
Appears in Collections:DEG - Artigos publicados em periódicos
DRH - Artigos publicados em periódicos

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