<?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>2310-3469</journal-id>
<journal-title><![CDATA[Revista Cubana de Ciencias Forestales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev CFORES]]></abbrev-journal-title>
<issn>2310-3469</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Pinar del Río Hermanos Saíz Montes de Oca]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2310-34692024000200004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Incidencia de Hevea brasiliensis sobre las propiedades químicas del suelo en la Amazonia colombiana]]></article-title>
<article-title xml:lang="pt"><![CDATA[Incidência de Hevea brasiliensis nas propriedades químicas do solo da Amazônia colombiana]]></article-title>
<article-title xml:lang="en"><![CDATA[Incidence of Hevea brasiliensis on the chemical properties of the soil in the Colombian Amazon]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosas-Patiño]]></surname>
<given-names><![CDATA[Gelber]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz-Ramos]]></surname>
<given-names><![CDATA[Jader]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Castillo]]></surname>
<given-names><![CDATA[Verenice]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la Amazonia  ]]></institution>
<addr-line><![CDATA[Florencia, Caquetá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Tolima Facultad de Ingeniería Forestal ]]></institution>
<addr-line><![CDATA[Ibagué, Tolima ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de la Amazonia Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Florencia, Caquetá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2024</year>
</pub-date>
<volume>12</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2310-34692024000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2310-34692024000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2310-34692024000200004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El cultivo de Hevea brasiliensis, caucho, se promueve como alternativa productiva y ecológica, especialmente en sistemas agroforestales, que aborden su impacto en las condiciones químicas del suelo. Este estudio tuvo como objetivo evaluar los posibles efectos de cinco tipos de uso del suelo sobre las propiedades químicas de los horizontes A y B en suelos de la Amazonia colombiana: sistema agroforestal de H. brasiliensis con maderables y frutales, sistema agroforestal de H. brasiliensis asociado a rastrojo, monocultivo de H. brasiliensis, bosque secundario como control positivo y pastura nativa como control negativo. Se evaluaron las condiciones de pH, aluminio intercambiable, carbono orgánico, potasio, fósforo, calcio, magnesio, saturación de bases y capacidad de intercambio catiónico. Se encontraron similitudes en las propiedades químicas del suelo entre el bosque secundario, sistema agroforestal con frutales y sistema agroforestal con rastrojo. El monocultivo de H. brasiliensis no presentó diferencias significativas con la pastura nativa. El pH fue la única variable afectada por el uso del suelo, mientras que el porcentaje de carbono orgánico y los contenidos de fósforo, calcio, magnesio y potasio cambiaron en función de los horizontes A y B, demostrando que la variabilidad de la fertilidad química de los suelos arcillosos de la Amazonia está más relacionada con las características propias de sus horizontes que con el tipo de uso del suelo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO O cultivo da Hevea brasiliensis, a seringueira, é promovido como alternativa produtiva e ecológica, principalmente em sistemas agroflorestais, que abordam seu impacto nas condições químicas do solo. Este estudo teve como objetivo avaliar os possíveis efeitos de cinco tipos de uso da terra nas propriedades químicas dos horizontes A e B em solos da Amazônia colombiana: sistema agroflorestal de H. brasiliensis com árvores madeireiras e frutíferas, sistema agroflorestal de H. brasiliensis associado a restolho, monocultivo de H. brasiliensis, mata secundária como controle positivo e pastagem nativa como controle negativo. Foram avaliadas as condições de pH, alumínio trocável, carbono orgânico, potássio, fósforo, cálcio, magnésio, saturação por bases e capacidade de troca catiônica. Foram encontradas semelhanças nas propriedades químicas do solo entre floresta secundária, sistema agroflorestal com árvores frutíferas e sistema agroflorestal com restolho. A monocultura de H. brasiliensis não apresentou diferenças significativas com a pastagem nativa. O pH foi a única variável afetada pelo uso do solo, enquanto o percentual de carbono orgânico e os teores de fósforo, cálcio, magnésio e potássio mudaram dependendo dos horizontes A e B, demonstrando que a variabilidade da fertilidade química dos solos argilosos de na Amazônia estão mais relacionadas às características de seus horizontes do que ao tipo de uso da terra.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[SUMMARY The cultivation of Hevea brasiliensis (rubber) is promoted as a productive and ecological alternative, especially in agroforestry systems, although research is still required to address its impact on soil chemical conditions. This study aimed evaluate the possible effects of five types of land use on the chemical properties of horizons A and B in soils of the Colombian Amazon: agroforestry system of H. brasiliensis with timber and fruit trees, agroforestry system of H. brasiliensis associated with stubble, H. brasiliensis monoculture, secondary forest as positive control and native grass as negative control. The conditions of pH, exchangeable aluminum, organic carbon, potassium, phosphorus, calcium, magnesium, base saturation and cationic exchange capacity were evaluated. Similarities in soil chemical properties were found between secondary forest, agroforestry systems with fruit trees and agroforestry systems associated with stubble. The H. brasiliensis monoculture did not present significant differences with the native pasture. The pH was the only variable affected by soil use, while the percentage of organic carbon and the contents of phosphorus, calcium, magnesium and potassium changed depending on the A and B horizons, demonstrating that the variability of the chemical fertility of the clay soils of the Amazon are more related to the characteristics of their horizons than to the type of land use.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[árbol de caucho]]></kwd>
<kwd lng="es"><![CDATA[suelos de lomerío]]></kwd>
<kwd lng="es"><![CDATA[sistema agroforestal]]></kwd>
<kwd lng="es"><![CDATA[suelos ácidos.]]></kwd>
<kwd lng="pt"><![CDATA[seringueira]]></kwd>
<kwd lng="pt"><![CDATA[solos de lomerío]]></kwd>
<kwd lng="pt"><![CDATA[sistema agroflorestal]]></kwd>
<kwd lng="pt"><![CDATA[solos ácidos.]]></kwd>
<kwd lng="en"><![CDATA[rubber tree]]></kwd>
<kwd lng="en"><![CDATA[lomerío soils]]></kwd>
<kwd lng="en"><![CDATA[agroforestry system]]></kwd>
<kwd lng="en"><![CDATA[acid soils.]]></kwd>
</kwd-group>
</article-meta>
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