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dc.contributor.authorScaccabarozzi, Daniela
dc.contributor.authorCastillo, Luis
dc.contributor.authorAromatisi, Andrea
dc.contributor.authorMilne, Lynne
dc.contributor.authorBúllon Castillo, Adolfo
dc.contributor.authorMuñoz-Rojas, Miriam
dc.identifier.citationScaccabarozzi, D. and Castillo, L. and Aromatisi, A. and Milne, L. and Búllon Castillo, A. and Muñoz-Rojas, M. 2020. Soil, Site, and Management Factors Affecting Cadmium Concentrations in Cacao-Growing Soils. Agronomy. 10 (6): Article No. 106.

Soil contamination by potentially toxic trace elements (PTEs) such as Cadmium (Cd), is a major environmental concern because of its potential implications to human health. Cacao-based products have been identified as food sources with relatively high Cd contents. Here, we assessed Cd concentrations of cacao-growing soils in four major agricultural regions with contrasting climates in Peru, one of the main exporters of cacao products worldwide. At each study site (n = 40) a broad range of potential factors affecting Cd concentration in soils, i.e., site, soil and management, were evaluated. Concentrations of Cd ranged between 1.1–3.2 mg kg−1. Mean values per region were below 2.7 mg kg−1, usually established as upper-limit for non-polluted soils. Cadmium concentrations were significantly (p < 0.001) higher in sites at higher elevations and in a temperate, drier climate. Cadmium correlated positively with pH (r = 0.57; p < 0.05) and was higher (p < 0.001) in alluvial sediments and Leptosols. Management factors (cacao variety, cultivation year, management practices) and agroecology did not affect Cd concentrations directly. Overall, this study highlights the importance of considering a broad range of both natural and anthropogenic factors to evaluate Cd concentrations in cacao-growing soils and contribute to effective and sustainable cacao production by improving land management and planning.

dc.publisherMDPI AG
dc.titleSoil, Site, and Management Factors Affecting Cadmium Concentrations in Cacao-Growing Soils
dc.typeJournal Article

© 2020 The Authors. Published by MDPI Publishing.

curtin.departmentSchool of Molecular and Life Sciences (MLS)
curtin.departmentSchool of Earth and Planetary Sciences (EPS)
curtin.accessStatusOpen access
curtin.facultyFaculty of Science and Engineering
curtin.contributor.orcidScaccabarozzi, Daniela [0000-0003-2446-8794]
curtin.contributor.orcidMilne, Lynne [0000-0003-4542-6913]
curtin.contributor.scopusauthoridMilne, Lynne [7005477302]

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