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Influence of the Choice of Cultivar and Soil Fertilization on PTE Concentrations in Lactuca sativa L. in the Framework of the Regenerative Agriculture Revolution

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  • Daniela Baldantoni

    (Department of Chemistry and Biology “Adolfo Zambelli”, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy)

  • Alessandro Bellino

    (Department of Chemistry and Biology “Adolfo Zambelli”, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy)

  • Angela Cicatelli

    (Department of Chemistry and Biology “Adolfo Zambelli”, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy)

  • Stefano Castiglione

    (Department of Chemistry and Biology “Adolfo Zambelli”, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy)

Abstract

Evaluating the relative weight of the choice of cultivar and soil fertilization on potentially toxic elements (PTEs) accumulation is crucial in promoting informed decisions in the framework of regenerative agriculture. To this end, 11 PTEs (Cd, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, Pb, Zn) were determined in both leaves and roots of six cultivars (Stylist, Xanadu, Aljeva, Bacio, Analena, Vincenzo) of lettuce ( Lactuca sativa L.) grown side by side on mineral fertilized or biowaste compost amended soils, under greenhouse conditions. The use of multivariate and linear modelling approaches indicated that the organ and cultivar primarily account for the variability in PTE concentrations. In terms of PTE partitioning between organs, Cd and Mg were preferentially accumulated in leaves, whereas Cu, Pb, K and Zn in roots. As for the cultivar, Xanadu showed the highest concentrations of several PTEs, with Cd reaching concerning levels. Fertilization had a detectable contribution only on Cd accumulation, slightly increased in leaves by compost. Findings highlight the key role of cultivar choice in guaranteeing food safety and grant the possibility to adopt biowaste compost in regenerative agriculture without concerns about PTE accumulation enhancements in lettuce, but demand a cautionary approach in the case of Cd.

Suggested Citation

  • Daniela Baldantoni & Alessandro Bellino & Angela Cicatelli & Stefano Castiglione, 2021. "Influence of the Choice of Cultivar and Soil Fertilization on PTE Concentrations in Lactuca sativa L. in the Framework of the Regenerative Agriculture Revolution," Land, MDPI, vol. 10(10), pages 1-8, October.
    • Handle: RePEc:gam:jlands:v:10:y:2021:i:10:p:1053-:d:651422
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    References listed on IDEAS

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    1. Ana Trigo & Ana Marta-Costa & Rui Fragoso, 2021. "Principles of Sustainable Agriculture: Defining Standardized Reference Points," Sustainability, MDPI, vol. 13(8), pages 1-20, April.
    2. Rares Halbac-Cotoara-Zamfir & Daniela Smiraglia & Giovanni Quaranta & Rosanna Salvia & Luca Salvati & Antonio Giménez-Morera, 2020. "Land Degradation and Mitigation Policies in the Mediterranean Region: A Brief Commentary," Sustainability, MDPI, vol. 12(20), pages 1-17, October.
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    Cited by:

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    2. Tao Song & Chao Huang & Hui Yang & Jianhong Liang & Yiqi Ma & Can Xu & Mingbao Li & Xiang Liu & Liankai Zhang, 2022. "Characterization of Soil-Plant Leaf Nutrient Elements and Key Factors Affecting Mangoes in Karst Areas of Southwest China," Land, MDPI, vol. 11(7), pages 1-16, June.
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