<?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>0377-9424</journal-id>
<journal-title><![CDATA[Agronomía Costarricense]]></journal-title>
<abbrev-journal-title><![CDATA[Agron. Costarricense]]></abbrev-journal-title>
<issn>0377-9424</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica. Colegio de Ingenieros y Agrónomos. Ministerio de Agricultura y Ganadería]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0377-94242020000100029</article-id>
<article-id pub-id-type="doi">10.15517/rac.v44i1.39999</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación del carbono acumulado en suelo en sistemas silvopastoriles del Caribe colombiano]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of carbon accumulated in soil in silvopastoral systems of the Colombian Caribbean]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras-Santos]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Atencia]]></surname>
<given-names><![CDATA[Judith]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cadena-Torres]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Falla-Guzmán]]></surname>
<given-names><![CDATA[Cindy Katherine]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Corporación Colombiana de Investigación Agropecuaria (Agrosavia)  ]]></institution>
<addr-line><![CDATA[ Turipaná]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Corporación Colombiana de Investigación Agropecuaria (Agrosavia)  ]]></institution>
<addr-line><![CDATA[ Turipaná]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Corporación Colombiana de Investigación Agropecuaria (Agrosavia)  ]]></institution>
<addr-line><![CDATA[ Turipaná]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Corporación Colombiana de Investigación Agropecuaria (Agrosavia)  ]]></institution>
<addr-line><![CDATA[ Turipaná]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>44</volume>
<numero>1</numero>
<fpage>29</fpage>
<lpage>41</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0377-94242020000100029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0377-94242020000100029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0377-94242020000100029&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los sistemas silvopastoriles juegan un papel importante en la recuperación de suelos degradados y en la mitigación de los gases de efecto invernadero, debido a su capacidad para capturar el carbono atmosférico e inmovilizarlo en el suelo. Para estimar el potencial de los sistemas silvopastoriles para incorporar carbono al suelo, se evaluaron 4 sistemas de diferente grado de complejidad estructural, frente a una pastura sin árboles, en un sistema ganadero del Caribe Colombiano. Las evaluaciones incluyeron mediciones de la cantidad de carbono orgánico acumulado, las propiedades físicas del suelo como densidad aparente y resistencia mecánica a la penetración, y la biomasa de raíces finas. Los resultados mostraron que en promedio los arreglos silvopastoriles presentaron una acumulación de carbono que varió entre 60,6 y 65,1 t.ha-1 de C, en comparación con el sistema tradicional ganadero, de pasturas sin árboles, en el cual se detectó una acumulación de 38,3 t.ha-1 de C. Lo anterior, representa una acumulación de carbono que es entre 58,2 y 69,9% superior en los sistemas silvopastoriles, comparada con el sistema tradicional de producción ganadera, basada en solo pasturas. Igualmente, se observó una reducción en la densidad aparente del suelo y la resistencia a la penetración de las raíces, concomitantes con una mayor presencia de raíces finas en los sistemas silvopastoriles, en comparación con lo observado en el suelo de la pastura sin árboles. Estos resultados demuestran los efectos benéficos de los sistemas silvopastoriles en la incorporación del carbono al suelo y representan una alternativa viable para el establecimiento de una ganadería más sostenible en el Caribe Colombiano.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The silvopastoral systems play an important role in the recovery of degraded soils and in the mitigation of greenhouse gases, due to their capacity to capture atmospheric carbon and immobilize it in the soil. To estimate the potential of silvopastoral systems to incorporate carbon into the soil, 4 silvopastoral systems with different degrees of structural complexity were evaluated against a treeless pasture in a Colombian Caribbean livestock system. The evaluations included measurements of the amount of organic carbon accumulated, the physical properties of the soil as apparent density and mechanical resistance to penetration, and the biomass of fine roots. The results showed that on average the silvopastoral arrangements showed a carbon accumulation that varied between 60.6 and 65.1 t.ha-1 of C, in comparison with the traditional livestock system, of treeless pastures, in which an accumulation of 38.3 t.ha-1 of C. This represents an accumulation of carbon that is between 58.2 and 69.9% higher in silvopastoral systems, compared with the traditional system of livestock production, based on only pastures. Likewise, a reduction in the apparent density of the soil and resistance to root penetration was observed, concomitant with a greater presence of fine roots in the silvopastoral systems, in comparison with what was observed in the soil of the treeless pasture. These results demonstrate the beneficial effects of silvopastoral systems on the incorporation of carbon into the soil and represent a viable alternative for the establishment of a more sustainable livestock in the Colombian Caribbean.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Ganadería]]></kwd>
<kwd lng="es"><![CDATA[pasturas]]></kwd>
<kwd lng="es"><![CDATA[sistemas silvopastoriles]]></kwd>
<kwd lng="es"><![CDATA[carbono orgánico en el suelo.]]></kwd>
<kwd lng="en"><![CDATA[Llivestock]]></kwd>
<kwd lng="en"><![CDATA[pastures]]></kwd>
<kwd lng="en"><![CDATA[silvopastoral systems]]></kwd>
<kwd lng="en"><![CDATA[organic carbon in the soil.]]></kwd>
</kwd-group>
</article-meta>
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