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Article . 2023 . Peer-reviewed
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Cu e Zn em frações físicas de solos de vinhedos no Sul do Brasil

Cu and Zn in soil physical fractions of vineyards in southern Brazil
Authors: Lourenzi,Cledimar Rogério; López-Núñez,Rafael; Fernández,Ángela María Benitez; Knicker,Heike;

Cu e Zn em frações físicas de solos de vinhedos no Sul do Brasil

Abstract

[PT]: O cultivo de videiras em regiões com elevadas precipitações pluviométricas, como no sul do Brasil, envolve o uso de fungicidas para o controle das doenças fúngicas foliares. Estes fungicidas, normalmente, contém em sua composição cobre (Cu) e zinco (Zn), promovendo o acúmulo desses metais no solo. O objetivo do trabalho foi avaliar a distribuição de Cu e Zn nas frações físicas granulométricas em solos de vinhedos do sul do Brasil. Foram coletadas amostras de solo (0-5 e 10-20 cm), em duas áreas de vinhedos e uma área de mata em três regiões do sul do Brasil, sendo uma no estado de Santa Catarina e duas no Rio Grande do Sul. As amostras da camada de 0-5 cm foram fracionadas em > 50 μm e < 50 μm. Nas amostras de solo e nas frações foram determinados os teores totais de Cu e Zn por fluorescência de raio-X. As áreas de vinhedos do sul do Brasil apresentam grandes variações nos teores totais de Cu e Zn, devido as distintas características dos solos e ao histórico de cultivo. Para o Cu não há distinção entre as frações, mas o Zn acumula, preferencialmente, na fração <50 μm.

[EN]: The cultivation of vines in regions with high rainfall, as in southern Brazil, involves the use of fungicides to control foliar fungal diseases. These fungicides normally contain copper (Cu) and zinc (Zn) in their composition, promoting the accumulation of these metals in the soil. The objective of this work was to evaluate the distribution of Cu and Zn in the granulometric physical fractions in soils from vineyards in southern Brazil. Soil samples (0-5 and 10-20 cm) were collected in two areas of vineyards and a forest area in three regions of southern Brazil, one in Santa Catarina and two in Rio Grande do Sul states. Samples from the 0-5 cm layer were fractionated into > 50 μm and < 50 μm. In the soil samples and in the fractions, the total contents of Cu and Zn were determined by X-ray fluorescence. Vineyard areas in southern Brazil show great variations in total Cu and Zn contents, due to different soil characteristics and cultivation history. For Cu, there is no distinction between the fractions, but Zn accumulates, preferentially, in the fraction <50 μm.

4 páginas.- 1 figura.- 4 tablas.- 9 referencias.- Descripcipon del Póster nº 30 presentado en el IX Congresso Ibérico das Ciências do Solo (CICS 2022) “O solo, recurso estratégico para uma sociedade sustentável” 22 a 24 de junho de 2022

Peer reviewed

Country
Spain
Keywords

Vitis sp., Heavy metals, Metais pesados, Fluorescência de raio-X, X-ray fluorescence, Vitis sp, fluorescência de raio-X, metais pesados

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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