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 and Juan A. Ramos-Guivar ()
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Yacu Vicente Alca-Ramos: Grupo de Investigación de Nanotecnología Aplicada Para Biorremediación Ambiental, Energía, Biomedicina y Agricultura (NANOTECH), Facultad de Ciencias Físicas, Universidad Nacional Mayor de San Marcos, Av. Venezuela Cdra 34 S/N, Ciudad Universitaria, Lima 15081, Peru
Noemi-Raquel Checca-Huaman: Centro Brasileiro de Pesquisas Físicas (CBPF), R. Xavier Sigaud, 150, Urca, Rio de Janeiro 22290-180, Brazil
Enrique Arévalo-Gardini: Instituto de Cultivos Tropicales (ICT), Av. Ahuashiyacu S/N, CDRA. 16, Sector Laguna Venecia, San Martin 22151, Peru
Cesar O. Arévalo-Hernández: Instituto de Cultivos Tropicales (ICT), Av. Ahuashiyacu S/N, CDRA. 16, Sector Laguna Venecia, San Martin 22151, Peru
Juan A. Ramos-Guivar: Grupo de Investigación de Nanotecnología Aplicada Para Biorremediación Ambiental, Energía, Biomedicina y Agricultura (NANOTECH), Facultad de Ciencias Físicas, Universidad Nacional Mayor de San Marcos, Av. Venezuela Cdra 34 S/N, Ciudad Universitaria, Lima 15081, Peru

Agriculture, 2023, vol. 13, issue 3, 1-20

Abstract: 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.

Keywords: zeolite 5A; nickel mobility; inhibition; adsorption; cacao (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
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