<?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>S0871-018X2023000500211</article-id>
<article-id pub-id-type="doi">10.19084/rca.33907</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Efeito da aplicação de lamas tratadas e vermicompostadas nas propriedades químicas de um Cambissolo dístrico]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of the application of treated and vermicomposted sludge on the chemical properties of a distric Cambisol]]></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[Trindade]]></surname>
<given-names><![CDATA[Henrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[Paula]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Coimbra]]></surname>
<given-names><![CDATA[Ana]]></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"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[João Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</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[,Universidade de Trás-os-Montes e Alto Douro Centro de Investigação e Tecnologias Agroambientais e Biológicas (CITAB) ]]></institution>
<addr-line><![CDATA[Vila Real ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>46</volume>
<numero>sp</numero>
<fpage>211</fpage>
<lpage>220</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0871-018X2023000500211&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0871-018X2023000500211&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0871-018X2023000500211&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A aplicação de lamas tratadas no solo é justificada pelo seu valor fertilizante. A baixa estabilidade destes subprodutos, promove uma diminuição da qualidade do solo, facto que justifica a respetiva valorização biológica. A aplicação de produtos resultantes da vermicompostagem, permitirá acréscimos na qualidade do solo, razão que justifica a realização do presente trabalho. Deste modo, foi avaliado o efeito da aplicação de matéria orgânica (20 t MS/ha), na forma de lamas tratadas (LT) e vermicompostadas (LVC), nas características químicas de um cambissolo districo, comparativamente a um grupo controlo (0 t MS/ha), num ensaio de incubação de curta duração (28 dias), em condições laboratoriais. Os resultados obtidos revelaram que as LVC induziram acréscimos mais elevados e significativos (p&lt;0,05) que as LT nos parâmetros da fertilidade do solo, como o pH, matéria orgânica, P extraível, bases de troca e micronutrientes. Tendência oposta foi observada para o N mineral e metais pesados, devido a uma maior redução de N-NH4 + e fenómenos de assimilação/absorção por parte das minhocas, respetivamente, resultado da uma maior estabilidade das LVC. Estes resultados revelam que a utilização de materiais orgânicos estabilizados, é a opção mais eficaz na melhoria da qualidade e sustentabilidade das funções do solo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The application of treated sludges in the soil is justified by their fertilizing value. The low stability of these by-products leads to a decrease in soil quality, justifying their biological valorisation. The application of products resulting from vermicomposting allows soil quality improvements, main reason for the present study. Therefore, the effect of the application of organic matter (20 t MS/ha), in the form of treated sludges (LT) and vermicomposted sludges (LVC), was evaluated in the chemical characteristics of a district cambisol, compared to a control group (0 t MS/ha), based on a short-term incubation test (28 days), under laboratory conditions. The obtained results revealed that LVC induced higher and significant (p&lt;0.05) increases in soil fertility parameters, such as pH, organic matter, extractable P, exchangeable bases, and micronutrients, compared to LT. An opposite trend was observed for mineral N and heavy metal, due to a higher reduction of N-NH4 + and assimilation/absorption phenomena by the worms, respectively, as a result of the greater stability of LVC. These results reveal that the use of stabilized organic materials is the most effective option in improving the quality and sustainability of soil functions.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[lamas]]></kwd>
<kwd lng="pt"><![CDATA[vermicompostagem]]></kwd>
<kwd lng="pt"><![CDATA[incubação]]></kwd>
<kwd lng="pt"><![CDATA[fertilidade]]></kwd>
<kwd lng="pt"><![CDATA[solo]]></kwd>
<kwd lng="en"><![CDATA[sewage-sludge]]></kwd>
<kwd lng="en"><![CDATA[composting]]></kwd>
<kwd lng="en"><![CDATA[incubation]]></kwd>
<kwd lng="en"><![CDATA[fertility]]></kwd>
<kwd lng="en"><![CDATA[soil]]></kwd>
</kwd-group>
</article-meta>
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