<?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>S0871-018X2022000300601</article-id>
<article-id pub-id-type="doi">10.19084/rca.28557</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Efeito da aplicação direta de lamas tratadas na habitabilidade do solo: ensaios de evitamento com Eisenia fetida]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of direct application of treated sludge on soil habitability: avoidance assays with Eisenia fetida]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Migueis]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[Paula]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Roboredo]]></surname>
<given-names><![CDATA[Marta]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[João Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade de Trás-os-Montes e Alto Douro  ]]></institution>
<addr-line><![CDATA[Vila Real ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,UTAD Centro de Química ]]></institution>
<addr-line><![CDATA[Vila Real ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,UTAD Centro de Investigação e Tecnologias Agroambientais e Biológicas ]]></institution>
<addr-line><![CDATA[Vila Real ]]></addr-line>
<country>Portugal</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>601</fpage>
<lpage>610</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0871-018X2022000300601&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0871-018X2022000300601&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0871-018X2022000300601&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A crescente urbanização e industrialização promoveram um considerável aumento da produção de lamas de depuração que, no âmbito de uma economia circular, importa reciclar e valorizar sendo a aplicação ao solo uma alternativa viável, de baixo custo, devido ao respetivo valor fertilizante. A aplicação direta destes resíduos poderá potenciar riscos para a qualidade do solo uma vez que, em termos legais, para além dos elementos potencialmente tóxicos e microrganismos patogénicos, não considera os efeitos de outros potenciais contaminantes existentes. O objetivo deste trabalho é avaliar o efeito da aplicação direta de lamas de depuração, em diferentes doses (0, 2, 5 10, 15, 30 e 60 t/ha), na habitabilidade do solo, através da avaliação do comportamento da Eisenia fetida, com base em testes definidos pelas ISO. Os resultados obtidos evidenciam ausência de efeitos no comportamento da E. fetida em todas as doses estudadas (p&gt;0,05), com uma percentagem de fuga negativa a variar entre os 40 e 60%, comparativamente ao controlo. Estes resultados estarão relacionados com os baixos teores de metais pesados e com a melhoria das condições fisíco-químicas do solo, resultando numa maior atratividade por parte do modelo biológico usado. Outros estudos, com outros solos, bioindicadores e métodos com maior tempo de exposição, serão necessários para validar a tendência observada.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The increasing urbanization and industrialization have promoted a considerable expansion in the production of sewage sludge, which it is important to recycle and valorise in the circular economy context, with soil application being a viable, low-cost alternative, due to its high fertilizing value. Tough the legal policies considered limit fixed quantities of heavy metals and pathogenic microorganisms, the direct application of these residues may potentiate risks to soil quality, since it does not consider the effects of different contaminants presence. The objective of this work is to evaluate the effect of direct application of sewage sludge, at different application rates (0, 2, 5 10, 15, 30 and 60 t/ha) on soil habitability, based on rapid tests defined by ISO guidelines, through the evaluation of the behaviour of Eisenia fetida. The results reveal no effects on the behaviour of E. fetida in all treatments studied with sewage sludge (p&gt;0.05), with a percentage of negative avoidance varying between 40 and 60%, compared to the control group. These results are related to the low levels of heavy metals and to the improvement of the physical-chemical conditions of the soil, resulting in an increase attractiveness of the biological model used. Other studies, with other soils, bioindicators type and methodologies, with longer exposure time, will be necessary to validate the observed aptness.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[lamas]]></kwd>
<kwd lng="pt"><![CDATA[Eisenia fetida]]></kwd>
<kwd lng="pt"><![CDATA[evitamento]]></kwd>
<kwd lng="pt"><![CDATA[poluição]]></kwd>
<kwd lng="pt"><![CDATA[solo]]></kwd>
<kwd lng="en"><![CDATA[sewage sludge]]></kwd>
<kwd lng="en"><![CDATA[Eisenia fetida]]></kwd>
<kwd lng="en"><![CDATA[avoidance]]></kwd>
<kwd lng="en"><![CDATA[pollution]]></kwd>
<kwd lng="en"><![CDATA[soil]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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