<?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>S0188-49992017000300475</article-id>
<article-id pub-id-type="doi">10.20937/rica.2017.33.03.10</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[ABONO ORGÁNICO ELABORADO CON LODO RESIDUAL Y ESTIERCOL EQUINO A TRAVÉS DE VERMICOMPOSTEO: UNA PROPUESTA COMO MEJORADOR DE SUELOS]]></article-title>
<article-title xml:lang="en"><![CDATA[ORGANIC FERTILIZER MADE OF SEWAGE SLUDGE AND MANURE EQUINE TROUGH VERMICOMPOSTING: A PROPOSAL FOR SOIL IMPROVEMENT]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lugo]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Águila]]></surname>
<given-names><![CDATA[Pedro del]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vaca]]></surname>
<given-names><![CDATA[Rocío]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Casas-Hinojosa]]></surname>
<given-names><![CDATA[Idalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yáñez-Ocampo]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de México  ]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<volume>33</volume>
<numero>3</numero>
<fpage>475</fpage>
<lpage>484</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992017000300475&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992017000300475&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992017000300475&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Las actividades humanas producen toneladas de residuos sólidos orgánicos que causan problemas al ambiente, como la contaminación de suelo, agua y mantos freáticos. Ante esto, se han desarrollado estrategias como el vermicomposteo, proceso de estabilización de residuos sólidos orgánicos. El presente estudio tiene como objetivo probar mezclas de lodo residual y estiércol equino en diferentes porcentajes, por medio de vermicomposteo, para conocer su estabilidad y proponerlo como mejorador de suelo. Para su elaboración se utilizaron cuatro porcentajes de estiércol equino y lodo residual: E100, E85-LR15, E70-LR30 y E55-LR45 y se dio un seguimiento durante 90 días bajo condiciones de invernadero. El producto mostró disminución gradual en el porcentaje de C orgánico, relación C:N y pH. Se incrementó el contenido de N total a los 30 días y la conductividad eléctrica a los 75 días. El P aumentó para E70-LR30 (57.3 ± 8.3 mg/kg a 1369.8 ± 114.8 mg/kg) al final. A los 45 días se alcanzó la estabilidad de las vermicompostas en cuanto a la relación C:N: E100 (11.4); E85-LR15 (10.8); E70-LR30 (12.6) y E55-LR45 (11.2). La mejor relación es E70-LR30, ya que presenta un balance en el aporte de N y C, la concentración de metales pesados disminuyó para Cu, Zn, Ni y Cd, además el pH que presentó (7.24 ± 0.1) fue neutro, la concentración de P se incrementó considerablemente y el número de lombrices fue mayor (1790) con respecto a los otros tratamientos, por lo que esta relación es adecuada para su uso como abono orgánico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Human activities produce tons of organic solid waste causing problems to the environment, polluting soil, water and groundwater. In view of this, strategies such as vermicomposting -a process of organic solid waste stabilization- has been developed. This study aims to use the process of vermicomposting to test mixtures of sewage sludge and horse manure in different percentages in order to know its stability and to propose it as a soil improver. Four percentages for processing equine manure and sewage sludge were used: E100, E85-LR15, E70-LR30 and E55-LR45, followed by a 90 day-period under greenhouse conditions. The product showed gradual decrease in the percentage of organic C, C: N ratio and pH. It increased in the total content of N after 30 days and electric conductivity after 75 days. The P increased in E70-LR30 (57.3 ± 8.3 mg/kg a 1369.8 ± 114.8 mg/kg) towards the end. After a 45 days of vermicomposting, the stability in the C:N ratio, E100 (11.4); E85-LR15 (10.8); E70-LR30 (12.6) y E55-LR45 (11.2) was reached. The best relationship is E70-LR30, as it presents a balance in the supply of N and C and the concentration of heavy metals decreased for Cu, Zn, Ni and Cd. Furthermore, the pH (7.24 ± 0.1) was neutral, the P concentration increased significantly and the number of worms was higher (1790) in comparison to other treatments. Thus, this relationship is suitable as organic fertilizer.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[lombriz de tierra]]></kwd>
<kwd lng="es"><![CDATA[relación C:N]]></kwd>
<kwd lng="es"><![CDATA[residuos]]></kwd>
<kwd lng="es"><![CDATA[vermiestabilización]]></kwd>
<kwd lng="en"><![CDATA[earthworm]]></kwd>
<kwd lng="en"><![CDATA[C:N ratio]]></kwd>
<kwd lng="en"><![CDATA[residues]]></kwd>
<kwd lng="en"><![CDATA[vermistabilization]]></kwd>
</kwd-group>
</article-meta>
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