<?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>2007-3380</journal-id>
<journal-title><![CDATA[Revista bio ciencias]]></journal-title>
<abbrev-journal-title><![CDATA[Revista bio ciencias]]></abbrev-journal-title>
<issn>2007-3380</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma de Nayarit]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-33802019000100136</article-id>
<article-id pub-id-type="doi">10.15741/revbio.06.e564</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Changes in organic carbon stocks in lixiviated red ferralitic soils from Mayabeque, Cuba]]></article-title>
<article-title xml:lang="es"><![CDATA[Cambios en las reservas de carbono orgánico en suelos ferralíticos rojos lixiviados de Mayabeque, Cuba]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carnero-Lazo]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Jiménez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Terry-Alfonso]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bojórquez-Serrano]]></surname>
<given-names><![CDATA[J. I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Ciencias Agrícolas  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Nayarit Unidad Académica de Agricultura ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>6</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-33802019000100136&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-33802019000100136&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-33802019000100136&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper studies the change of Soil Organic Carbon (SOC) stocks in Lixiviated Red Ferralitic soils due to the change of land use, which is new for the province of Mayabeque and for Cuba. It starts from the results previously obtained when 38 soil profiles were characterized within a period between six and fourteen years. The sampling to determine SOC contents was conducted through the method of 100-cm3 volume cylinders, in triplicate. The comparison between both samplings allows to obtain SOC gains or losses. Results were achieved under four grove sites and three cultivated soils. Regarding soils under groves, SOC gains were evidenced in all cases, whereas in cultivated soils, SOC losses were obtained in two plots under intensive cultivation; however, such SOC losses were not recorded in the third plot where agroecological practices were carried out with the systematic application of organic manure. These results lay the foundations, from the environmental point of view, since they may be useful for the province of Mayabeque to analyze SOC status in Lixiviated Red Ferralitic soils, according to the map of land use, as well as to recommend the application of organic manures, avoiding SOC losses.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este trabajo se estudia el cambio de los contenidos de Carbono Orgánico del Suelo (SOC), en suelos Ferralíticos Rojos Lixiviados por el cambio de uso del suelo, lo que resulta novedoso para la provincia de Mayabeque y para Cuba. Se parte de los resultados obtenidos anteriormente en la caracterización de 38 perfiles de estos suelos en un período entre seis y 14 años. El muestreo para determinar los contenidos de SOC se realizó por el método de cilindros de 100 cm3 de volumen, por triplicado. La comparación entre ambos muestreos permitió obtener las ganancias o pérdidas de SOC. Se obtuvieron resultados bajo cuatro sitios de arboledas y tres suelos cultivados. En suelos bajo arboledas, se evidencia que en todos los casos, hay ganancias en el SOC. Para los casos de suelos cultivados, en dos parcelas bajo cultivo intensivo se obtuvieron pérdidas en el SOC, pero en la tercera, donde se hacen prácticas agroecológicas con aplicación sistemática de abono orgánicos, no se registran estas pérdidas. Los resultados sientan las bases, desde el punto de vista ambiental, ya que pueden servir a la provincia de Mayabeque para analizar el estado del SOC en los suelos Ferralíticos Rojos Lixiviados según el mapa de uso del suelo y además para recomendar la aplicación de abonos orgánicos que evitan las pérdidas del SOC.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Soil organic carbon]]></kwd>
<kwd lng="en"><![CDATA[tropical soils]]></kwd>
<kwd lng="en"><![CDATA[land use]]></kwd>
<kwd lng="es"><![CDATA[Carbono orgánico del suelo]]></kwd>
<kwd lng="es"><![CDATA[suelos tropicales]]></kwd>
<kwd lng="es"><![CDATA[uso del suelo]]></kwd>
</kwd-group>
</article-meta>
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