<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0871-018X</journal-id>
<journal-title><![CDATA[Revista de Ciências Agrárias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. de Ciências Agrárias]]></abbrev-journal-title>
<issn>0871-018X</issn>
<publisher>
<publisher-name><![CDATA[Sociedade de Ciências Agrárias de Portugal]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0871-018X2022000301101</article-id>
<article-id pub-id-type="doi">10.19084/rca.28753</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Cu e Zn em frações físicas de solos de vinhedos no Sul do Brasil]]></article-title>
<article-title xml:lang="en"><![CDATA[Cu and Zn in soil physical fractions of vineyards in southern Brazil]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lourenzi]]></surname>
<given-names><![CDATA[Cledimar Rogério]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Núñez]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[Ángela María Benitez]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Knicker]]></surname>
<given-names><![CDATA[Heike]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal de Santa Catarina  ]]></institution>
<addr-line><![CDATA[Florianópolis ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Recursos Naturales y Agrobiología de Sevilla  ]]></institution>
<addr-line><![CDATA[Sevilla ]]></addr-line>
<country>Espanha</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Sevilla Facultad de Química ]]></institution>
<addr-line><![CDATA[Sevilla ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>45</volume>
<numero>4</numero>
<fpage>1101</fpage>
<lpage>1110</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0871-018X2022000301101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0871-018X2022000301101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0871-018X2022000301101&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo 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, contêm 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 &gt; 50 &#956;m e &lt; 50 &#956;m. 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 &lt;50 &#956;m.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract 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 &gt; 50 &#956;m and &lt; 50 &#956;m. 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 &lt;50 &#956;m.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[metais pesados]]></kwd>
<kwd lng="pt"><![CDATA[Vitis sp.]]></kwd>
<kwd lng="pt"><![CDATA[fluorescência de raio-X]]></kwd>
<kwd lng="en"><![CDATA[heavy metals]]></kwd>
<kwd lng="en"><![CDATA[Vitis sp]]></kwd>
<kwd lng="en"><![CDATA[x-ray fluorescence]]></kwd>
</kwd-group>
</article-meta>
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