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dc.creatorÁvila, Patrícia Andressa-
dc.creatorFaquin, Valdemar-
dc.creatorÁvila, Fabricio William-
dc.creatorKachinski, Wagner Deckij-
dc.creatorCarvalho, Geila Santos-
dc.creatorGuilherme, Luiz Roberto Guimarães-
dc.identifier.citationÁVILA, P. A. et al. Phosphorus and sulfur in a tropical soil and their effects on growth and selenium accumulation in Leucaena leucocephala (Lam.) de Wit. Environmental Science and Pollution Research, [S. l.], 2020. DOI:
dc.description.abstractSelenium (Se) is an essential metalloid element for mammals. Nonetheless, both deficiency and excess of Se in the environment are associated with several diseases in animals and humans. Here, we investigated the interaction of Se, supplied as selenate (Se+6) and selenite (Se+4), with phosphorus (P) and sulfur (S) in a weathered tropical soil and their effects on growth and Se accumulation in Leucaena leucocephala (Lam.) de Wit. The P-Se interaction effects on L. leucocephala growth differed between the Se forms (selenate and selenite) supplied in the soil. Selenate was prejudicial to plants grown in the soil with low P dose, while selenite was harmful to plants grown in soil with high P dose. The decreasing soil S dose increased the toxic effect of Se in L. leucocephala plants. Se tissue concentration and total Se accumulation in L. leucocephala shoot were higher with selenate supply in the soil when compared with selenite. Therefore, selenite proved to be less phytoavailable in the weathered tropical soil and, at the same time, more toxic to L. leucocephala plants than selenate. Thus, it is expected that L. leucocephala plants are more efficient to phytoextract and accumulate Se as selenate than Se as selenite from weathered tropical soils, for either strategy of phytoremediation (decontamination of Se-polluted soils) or purposes of biofortification for animal feed (fertilization of Se-poor soils).pt_BR
dc.sourceEnvironmental Science and Pollution Researchpt_BR
dc.subjectPolluted soilspt_BR
dc.subjectSolos poluídospt_BR
dc.titlePhosphorus and sulfur in a tropical soil and their effects on growth and selenium accumulation in Leucaena leucocephala (Lam.) de Witpt_BR
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