<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342017000601273</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Uso de compostas para mejorar la fertilidad de un suelo Luvisol de ladera]]></article-title>
<article-title xml:lang="en"><![CDATA[Composts use to improve fertility of a slope Luvisol soil]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández de la Cruz]]></surname>
<given-names><![CDATA[Osvaldo Baldemar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Hernández]]></surname>
<given-names><![CDATA[Rufo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ordaz Chaparro]]></surname>
<given-names><![CDATA[Víctor Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Noverola]]></surname>
<given-names><![CDATA[Ulises]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada Botello]]></surname>
<given-names><![CDATA[Maximiano Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Méndez]]></surname>
<given-names><![CDATA[Miguel Angel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,UJAT División Académica de Ciencias Agropecuarias ]]></institution>
<addr-line><![CDATA[La huasteca Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,UJAT División Académica de Ciencias Biológicas (DACBiol) ]]></institution>
<addr-line><![CDATA[Villahermosa Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<volume>8</volume>
<numero>6</numero>
<fpage>1273</fpage>
<lpage>1285</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342017000601273&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342017000601273&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342017000601273&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo de la investigación fue evaluar los cambios en las propiedades físicas y químicas debido al aporte de 0, 20, 40 y 60 Mg ha-1 de composta en un Luvisol crómico de ladera, en condiciones de trópico húmedo. Se estableció un experimento en bloques completamente al azar con cuatro repeticiones. Los resultados indican que las dosis mayores a 40 Mg ha-1 de composta incrementan la porosidad y la conductividad hidráulica, reducen la densidad aparente y la resistencia a la penetración en la capa superficial (-10 cm). El tamaño y estabilidad de agregados se reducen conforme al incremento en la dosis de composta, que se interpreta como una etapa intermedia, de rápido proceso de agregación-desagregación-agregación. El aporte más de 40 Mg ha-1 de la enmienda orgánica modificaron los niveles de materia organica, capacidad de intercambio catiónico y porcentaje de saturación de bases, solamente se registraron ligeros incrementos en K, Ca, Mg, Fe y Zn, y no se observaron cambios en el pH.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The aim of this research was to determine the changes in the physical and chemical properties due to the use of 0, 20, 40 and 60 Mg ha-1 compost in a chromic slope Luvisol in humid tropical conditions. A completely randomized block experiment with four replicates was established. The results indicate that doses higher than 40 Mg ha-1 of compost increase the porosity and hydraulic conductivity, reduce the bulk density and penetration resistance in the surface layer (-10 cm). The size and stability of the aggregates are reduced according to the increase in the compost dose, which is interpreted as an intermediate stage, of a rapid aggregation-disaggregation-aggregation process. The contribution over 40 Mg ha-1 of the organic amendment modified levels of organic matter, cation exchange capacity and percent base saturation, only slight increases were observed in K, Ca, Mg, Fe and Zn, and no changes were observed in pH.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[composta]]></kwd>
<kwd lng="es"><![CDATA[fertilidad edáfica]]></kwd>
<kwd lng="es"><![CDATA[propiedades físicas]]></kwd>
<kwd lng="es"><![CDATA[propiedades químicas del suelo]]></kwd>
<kwd lng="es"><![CDATA[Luvisoles crómicos]]></kwd>
<kwd lng="en"><![CDATA[compost]]></kwd>
<kwd lng="en"><![CDATA[soil fertility]]></kwd>
<kwd lng="en"><![CDATA[soil physical properties]]></kwd>
<kwd lng="en"><![CDATA[soil chemical properties]]></kwd>
<kwd lng="en"><![CDATA[chromic Luvisols]]></kwd>
</kwd-group>
</article-meta>
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<surname><![CDATA[Matsumoto]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ecosystem fertility: a new paradigm for nutrient availability to plants in the humid tropics]]></article-title>
<source><![CDATA[Soil Science and Plant Nutrition]]></source>
<year>2015</year>
<volume>61</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>698-703</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
