<?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>S0188-49992022000100122</article-id>
<article-id pub-id-type="doi">10.20937/rica.54449</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Comparison of methodolgies of soil quality indices (SQI) for sodic soil]]></article-title>
<article-title xml:lang="es"><![CDATA[Comparación de metodologías de índices de calidad del suelo (ICS) en suelo sódico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bedolla-Rivera]]></surname>
<given-names><![CDATA[Héctor Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Negrete-Rodríguez]]></surname>
<given-names><![CDATA[María de la Luz Xochilt]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gámez-Vázquez]]></surname>
<given-names><![CDATA[Francisco Paúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Bernal]]></surname>
<given-names><![CDATA[Dioselina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Conde-Barajas]]></surname>
<given-names><![CDATA[Eloy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico de Celaya  ]]></institution>
<addr-line><![CDATA[Celaya Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico de Celaya Departamento de Ingeniería Bioquímica y Ambiental ]]></institution>
<addr-line><![CDATA[Celaya Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Celaya  ]]></institution>
<addr-line><![CDATA[Celaya Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Politécnico Nacional Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional, Unidad Michoacán ]]></institution>
<addr-line><![CDATA[ Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>38</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992022000100122&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992022000100122&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992022000100122&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Soil degradation and the use of urban biosolid wastes to soil restoration have an economic, social-environmental and health impact. Therefore, there is interest worldwide in the use and comparison of methodologies to establish soil quality indexes (SQIs) based on physical, chemical, and biological indicators of soils. Considering that more than 60% of the territory in the Bajío region of Mexico in the State of Guanajuato is affected by some type of soil degradation, three methodologies for the establishment of SQIs-additive, weighted and unified weighted indexes-were compared in this study to evaluate the short-term effects-30 days-of the addition of biosolids as soil improvers. The methodologies were applied in experiments on carbon (C) and nitrogen (N) mineralization dynamics in a sodic agricultural soil. The ammonium indicator (N-NH4 +) was established as the one that is most related to the quality of the soil. The additive and unified weighted indexes differentiated the level of soil quality with respect to time and treatment. The developed SQIs can be used for short-term assessment of the quality of agricultural soils under amendment addition treatments with biosolids or similar organic products.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La degradación del suelo y el uso de residuos biosólidos urbanos como medio para su restauración tienen un impacto económico, socioambiental y de salud. Por tanto, existe interés a nivel mundial en el uso y comparación de metodologías para establecer índices de calidad del suelo (ICS) basados en los indicadores físicos, químicos y biológicos de los suelos. Considerando que más del 60 % del territorio de la región Bajío de México en el estado de Guanajuato es afectado por algún tipo de degradación del suelo, se compararon en este estudio tres metodologías para el establecimiento de un ICS (índices aditivo, ponderado y ponderado unificado) para evaluar los efectos a corto plazo (30 días) de la adición de biosólidos urbanos como mejoradores del suelo. Las metodologías fueron aplicadas en experimentos de dinámicas de mineralización de carbono (C) y nitrógeno (N) en un suelo agrícola sódico. Se estableció el indicador amonio (N-NH4 +) como el más relacionado con la calidad del suelo. Los índices aditivo y ponderado unificado diferenciaron el nivel de la calidad del suelo respecto al tiempo y a los tratamientos. Los ICS desarrollados pueden ser empleados para evaluar a corto plazo la calidad de suelos agrícolas bajo esquemas de adición de biosólidos urbanos y otros productos orgánicos similares.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[ammonium indicator]]></kwd>
<kwd lng="en"><![CDATA[organic amendment]]></kwd>
<kwd lng="en"><![CDATA[microbial activity]]></kwd>
<kwd lng="en"><![CDATA[enzymatic activity]]></kwd>
<kwd lng="en"><![CDATA[principal component analysis]]></kwd>
<kwd lng="es"><![CDATA[indicador de amonio]]></kwd>
<kwd lng="es"><![CDATA[enmienda orgánica]]></kwd>
<kwd lng="es"><![CDATA[actividad microbiana]]></kwd>
<kwd lng="es"><![CDATA[actividad enzimática]]></kwd>
<kwd lng="es"><![CDATA[análisis de componentes principales]]></kwd>
</kwd-group>
</article-meta>
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