<?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>0187-5779</journal-id>
<journal-title><![CDATA[Terra Latinoamericana]]></journal-title>
<abbrev-journal-title><![CDATA[Terra Latinoam]]></abbrev-journal-title>
<issn>0187-5779</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de la Ciencia del Suelo A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-57792022000100128</article-id>
<article-id pub-id-type="doi">10.28940/terra.v40i0.1045</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Concentración y transferencia de metales pesados en lechuga (Lactuca sativa L.) irrigadas con aguas tratadas]]></article-title>
<article-title xml:lang="en"><![CDATA[Concentration and transfer of heavy metals in lettuce (Lactuca sativa L.) irrigated with treated water]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loredo-Tovías]]></surname>
<given-names><![CDATA[Marcos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alcalá-Jáuregui]]></surname>
<given-names><![CDATA[Jorge Alonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Arreola]]></surname>
<given-names><![CDATA[María Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carballo-Méndez]]></surname>
<given-names><![CDATA[Fernando de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Fuentes]]></surname>
<given-names><![CDATA[Humberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Buendía-García]]></surname>
<given-names><![CDATA[Alain]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Ortiz]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosí Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[San Luis Potosí S.L.P.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosí Facultad de Agronomía y Veterinaria ]]></institution>
<addr-line><![CDATA[Soledad de Graciano Sánchez S.L.P.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Agronomía ]]></institution>
<addr-line><![CDATA[General Escobedo Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro  ]]></institution>
<addr-line><![CDATA[Torreón Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>40</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-57792022000100128&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-57792022000100128&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-57792022000100128&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Los metales pesados en los suelos agrícolas son absorbidos y pueden ser acumulados por los cultivos, representando un riesgo potencial a la salud humana. La presente investigación tuvo como objetivo estudiar la concentración y transferencia de Cd, Cr, Cu, Pb y Zn en lechugas irrigadas con aguas tratadas cultivadas bajo diferentes prácticas agrícolas. Cuatro tratamientos fueron evaluados: 1.- riego rodado sin acolchar sin composta, 2.- riego con cintilla sin acolchar con composta, 3.- riego con cintilla con acolchado sin composta, 4.- riego con cintilla con acolchado con composta. Las concentraciones detectadas de Cd, Cr, Pb y Zn en parte comestible de lechugas rebasaron los niveles máximos permisibles en vegetales que establece la referencia de la Unión Europea. En el caso de Cd, mostró una alta capacidad de transferirse del suelo a la planta, lo que representa un riesgo a la salud aún mayor. Las prácticas agronómicas de riego con cintilla, utilizando agua proveniente de una planta de tratamiento de aguas residuales, acolchado plástico y abonado orgánico reducen discretamente la concentración e índice de transferencia de Cd, Cr, Cu, Pb y Zn en parte comestible de lechuga debido a que promueven un incremento en la producción de biomasa, lo que a su vez afecta la dilución de los metales pesados en los tejidos de las plantas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: Heavy metals can be found in agricultural soils, absorbed and accumulated by crops, representing a public health risk. This research aimed to study the influence of agricultural practices on the concentration of heavy metals cadmium (Cd), chromium (Cr), copper (Cu), lead (Pb), and zinc (Zn) in lettuce irrigated with treated water and determined the level of risk to human health. Four treatments were evaluated: (1) Flood irrigation without mulch and compost; (2) Drip irrigation without mulching with compost; (3) Drip irrigation with mulch without compost; (4) Drip irrigation with mulch and compost. The detected concentrations of Cd, Cr, Pb and Zn in the edible part of lettuce exceeded the maximum permissible levels in vegetables established by the European Union reference. In the case of Cd, it showed a high capacity to be transferred from the soil to the plant, which represents an even greater health risk. The agronomic practices of drip irrigation, using water from a wastewater treatment plant, plastic mulch and organic fertilizer slightly reduce the concentration and transfer rate of Cd, Cr, Cu, Pb and Zn in the edible part of lettuce, promoting an increase in biomass production, which in turn affects the dilution of heavy metals in plant tissues.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[abono]]></kwd>
<kwd lng="es"><![CDATA[acolchado]]></kwd>
<kwd lng="es"><![CDATA[elementos traza]]></kwd>
<kwd lng="es"><![CDATA[hortalizas]]></kwd>
<kwd lng="es"><![CDATA[riego]]></kwd>
<kwd lng="en"><![CDATA[manure]]></kwd>
<kwd lng="en"><![CDATA[mulch]]></kwd>
<kwd lng="en"><![CDATA[trace elements]]></kwd>
<kwd lng="en"><![CDATA[vegetables]]></kwd>
<kwd lng="en"><![CDATA[irrigation]]></kwd>
</kwd-group>
</article-meta>
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