<?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>0258-5936</journal-id>
<journal-title><![CDATA[Cultivos Tropicales]]></journal-title>
<abbrev-journal-title><![CDATA[cultrop]]></abbrev-journal-title>
<issn>0258-5936</issn>
<publisher>
<publisher-name><![CDATA[Ediciones INCA]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0258-59362020000200005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Los ambientes geológicos en la acumulación de metales pesados en suelos de Pinar del Río]]></article-title>
<article-title xml:lang="en"><![CDATA[The geological environments in the accumulation of heavy metals in soils of Pinar del Río]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Febles-González]]></surname>
<given-names><![CDATA[José Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Robaina]]></surname>
<given-names><![CDATA[A.Y.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Amaral-Sobrinho]]></surname>
<given-names><![CDATA[Nelson Moura Brasil]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Febles-Díaz]]></surname>
<given-names><![CDATA[José Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zonta]]></surname>
<given-names><![CDATA[Everaldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de La Habana  ]]></institution>
<addr-line><![CDATA[Playa La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Pinar del Río Facultad de Ciencias Forestales y Agropecuarias ]]></institution>
<addr-line><![CDATA[ Pinar del Río]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Federal Rural de Rio de Janeiro  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brasil</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>41</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0258-59362020000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0258-59362020000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0258-59362020000200005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La investigación se realizó en la Llanura Sur de la provincia Pinar del Río con el objetivo de evaluar integralmente los ambientes geológicos de formación de los suelos y su influencia en los procesos erosión-sedimentación-contaminación por metales pesados (MPs), en localidades destinadas al cultivo del tabaco. Con tal fin fueron seleccionadas dos unidades con diversos grados de intervención: la superficie erosiva (unidad Consolación del Sur) y la superficie erosivo-acumulativa (unidades de Pinar del Río, San Juan y Martínez y San Luís). El trabajo de prospección pedológica identificó cuatro tipos principales de suelos que fueron descritos y muestreados a la profundidad de 0-20 cm, para caracterizar las principales propiedades que influyen en la acumulación de MPs en los suelos. El análisis realizado indicó que las condiciones naturales no ejercen una influencia marcada en la acumulación y disponibilidad de MPs, donde los valores de referencia de Cd, Pb, Cu, Zn, Fe, Mn, Ni, Cr y Co son inferiores a los estándares de calidad establecidos para los suelos cubanos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The research was carried out in the South Plain of the Pinar Río province with the objective of integrally evaluating the geological environments of soil formation and their influence on the processes erosion-sedimentation-contamination by heavy metals (HMs), in localities destined to tobacco crop. To this end, two units with different degrees of intervention were selected: the erosive surface (Consolation of the South unit) and the erosive - cumulative surface (units of Pinar Río, San Juan and Martinez and San Luis). The pedological prospecting work identified four main types of soils. They were at depths of 0-20 cm described and sampled, to characterize the main properties that influence the accumulation of HMs in soils. The analysis carried out indicated that natural conditions do not exert a marked influence on the accumulation and availability of HMs, where the reference values of Cd, Pb, Cu, Zn, Fe, Mn, Ni, Cr and Co are, lower than the standards of quality established for Cuban soils.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[tabaco]]></kwd>
<kwd lng="es"><![CDATA[contaminación]]></kwd>
<kwd lng="es"><![CDATA[formación de suelo]]></kwd>
<kwd lng="es"><![CDATA[degradación de suelos]]></kwd>
<kwd lng="en"><![CDATA[tobacco]]></kwd>
<kwd lng="en"><![CDATA[pollution]]></kwd>
<kwd lng="en"><![CDATA[soil formation]]></kwd>
<kwd lng="en"><![CDATA[soil degradation]]></kwd>
</kwd-group>
</article-meta>
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