<?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>0188-4999</journal-id>
<journal-title><![CDATA[Revista internacional de contaminación ambiental]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Int. Contam. Ambient]]></abbrev-journal-title>
<issn>0188-4999</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias de la Atmósfera y Cambio Climático]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-49992005000100031</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[APLICACIÓN DE LODOS RESIDUALES, ESTIÉRCOL BOVINO Y FERTILIZANTE QUÍMICO EN EL CULTIVO DE SORGO FORRAJERO (Sorghum vulgare Pers.)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Herrera]]></surname>
<given-names><![CDATA[José María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olivares-Sáenz]]></surname>
<given-names><![CDATA[Emilio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villanueva-Fierro]]></surname>
<given-names><![CDATA[Ignacio]]></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[Vázquez-Alvarado]]></surname>
<given-names><![CDATA[Rigoberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pissani-Zúñiga]]></surname>
<given-names><![CDATA[Juan Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico Agropecuario  ]]></institution>
<addr-line><![CDATA[Villa Montemorelos Durango]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Agronomía ]]></institution>
<addr-line><![CDATA[Marín N.L.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,IPN CIIDIR ]]></institution>
<addr-line><![CDATA[Durango Dgo]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2005</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2005</year>
</pub-date>
<volume>21</volume>
<numero>1</numero>
<fpage>31</fpage>
<lpage>36</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992005000100031&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992005000100031&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992005000100031&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En este estudio se aplicó lodo residual, fertilizante químico y estiércol de bovino en un suelo típico del suroeste de la ciudad de Durango, México, para estimar y comparar la posible mejora en la producción de sorgo forrajero (Sorghum vulgare Pers.). Se cuantificó la concentración de metales pesados en la parte aérea de la planta y en su raíz, para estimar si la planta los absorbe, ya que éstos no pueden degradarse en el suelo. El lodo residual proviene de la planta tratadora de aguas residuales de la ciudad de Durango y no es impactada por la industria ya que sólo se tratan aguas residuales domésticas. Se utilizó el diseño experimental de bloques completos al azar con cinco tratamientos y cinco repeticiones y la comparación de medias por el método de Tukey. Los resultados indican que la producción de materia seca vegetal es mayor en los tratamientos que utilizan lodos residuales y estiércol bovino y que la producción vegetal es menor en los tratamientos con fertilizante químico y el testigo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Wastewater sludge, chemical fertilizer, and bovine manure were applied to a typical soil from the southeast part of Durango City, Mexico, in order to estimate and to compare the potential benefits in sorghum foliage (Sorghum vulgare Pers.). Concentrations of heavy metals were quantified from the aerial part of the plants and their roots, to detect if the plant absorbs the metals, because they cannot be degraded in the soil. Wastewa ter sludge comes from the wastewater plant of Durango City, and it is not impacted by industry; only domestic wastewaters are treated. A complete randomized block experi mental design with five treatments and five repetitions and comparisons among treatment means were done using Tukey's method. Results show that production of dry matter is higher using wastewater sludge and bovine manure treatments, whereas lower production is obtained for chemical fertilizer and control treatments.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[sorgo forrajero]]></kwd>
<kwd lng="es"><![CDATA[metales pesados]]></kwd>
<kwd lng="es"><![CDATA[lodo residual]]></kwd>
<kwd lng="es"><![CDATA[fertilizante químico]]></kwd>
<kwd lng="es"><![CDATA[absorción de metales]]></kwd>
<kwd lng="en"><![CDATA[sorghum foliage]]></kwd>
<kwd lng="en"><![CDATA[heavy metals]]></kwd>
<kwd lng="en"><![CDATA[wastewater sludge]]></kwd>
<kwd lng="en"><![CDATA[chemical fertilizer]]></kwd>
<kwd lng="en"><![CDATA[metal absorption]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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