Inhibition of Nickel (II) Mobility in Theobroma cacao L. Seedlings Using Zeolite 5A

Yacu Vicente Alca-Ramos, Noemi Raquel Checca-Huaman, Enrique Arévalo-Gardini, Cesar O. Arévalo-Hernández, Juan A. Ramos-Guivar

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Resumen

In search of efficient solutions for the treatment of contaminated soils and in favor of the sustainable development of agriculture, this work aimed at developing an efficient method that helps to directly overcome the contamination by nickel in soils and Theobroma cacao L. seedlings. In this study, the genotypes ICS-39, CCN-51, and TSH-1188, which are high-yielding varieties in South America, were studied. The compound used as an adsorbent was commercial zeolite 5A. The zeolite 5A and soil samples were analyzed by X-ray diffraction, Raman microscopy, chemical analysis, electron microscopy techniques, and atomic absorption spectroscopy. This last technique was used for quantitative determination of Ni concentrations in seedlings. Zeolite 5A presented a high adsorption efficiency (95%) among the studied cacao genotypes, making this material a viable adsorbent and inhibitor agent of Ni. In addition, zeolite 5A was found to be not chemically harmful to the plant morphology (root and height), as demonstrated using statistical analysis. Finally, the Ni mechanism was described based on zeolite 5A physicochemical properties, suggesting that this material has remarkable soil remediation application.

Idioma originalInglés
Número de artículo599
PublicaciónAgriculture (Switzerland)
Volumen13
N.º3
DOI
EstadoPublicada - mar. 2023
Publicado de forma externa

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