<?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 cubana ciencias forestales]]></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>S2310-34692018000300260</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tratamientos para reducir los índices de rajaduras]]></article-title>
<article-title xml:lang="en"><![CDATA[Treatments to reduce cracking rates]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pupo Carballo]]></surname>
<given-names><![CDATA[Ivania]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez Lazo]]></surname>
<given-names><![CDATA[Daniel Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morejón Rivera]]></surname>
<given-names><![CDATA[Rogelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estévez]]></surname>
<given-names><![CDATA[Ignacio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Prieto Ruiz]]></surname>
<given-names><![CDATA[Libeydys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Servicio Estatal Forestal de Pinar del Río  ]]></institution>
<addr-line><![CDATA[ Pinar del Río]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Pinar del Río "Hermanos Saíz Montes de Oca  ]]></institution>
<addr-line><![CDATA[Pinar del Río ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Ciencias Agrícolas  ]]></institution>
<addr-line><![CDATA[Pinar del Río Los Palacios]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Empresa AgroForestal Costa Sur  ]]></institution>
<addr-line><![CDATA[Pinar del Río ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<volume>6</volume>
<numero>3</numero>
<fpage>260</fpage>
<lpage>271</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2310-34692018000300260&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2310-34692018000300260&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2310-34692018000300260&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Entre los defectos que más perjudican la calidad de la madera aserrada de Eucalyptus saligna Smith y Eucalyptus pellita F. Muell, se destacan las tensiones de crecimiento. Estas se manifiestan como rajaduras en los extremos de las trozas y en las piezas de la madera aserrada. La búsqueda de métodos simples para su reducción resulta de gran importancia para el desarrollo de la política forestal. La presente investigación desarrolla un conjunto de métodos que permiten reducir la influencia de las tensiones internas de crecimiento sobre las deformaciones de la madera aserrada. Para ello, se tomaron datos de campo de las dos especies objeto de estudio, Eucalyptus saligna Smith y Eucalyptus pellita F. Muell a las que se les aplicaron diferentes tratamientos, tales como: Anillado en los extremos de las trozas, almacenamiento de trozas con riego, anillado de árboles en pie, tomando como punto de partida un patrón o testigo para establecer comparaciones. Los resultados obtenidos muestran que los tratamientos utilizados posibilitan la reducción de las tensiones internas de crecimientos en la madera de Eucalyptus saligna Smith y Eucalyptus pellita F. Muell; se resalta el de las trozas almacenadas con riego donde se obtienen los mejores resultados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Among the most harmful defects quality sawn Eucalyptus saligna Smith and Eucalyptus pellita F. Muell stand growth stresses. It´s manifested as cracks in the ends of the logs and pieces of lumber. The search for simple methods for reduction is of great importance for the development of forest policy. This research develops a set of methods to reduce the influence of internal stresses on the deformations growth of lumber. To which field data were taken from the two species studied, Eucalyptus saligna Smith and Eucalyptus pellita F. Muell to which different treatments were applied, such as: Ringing in the ends of the logs and logs with irrigation storage, taking as its starting point a standard or control for comparison. The results show that the treatments used possible to reduce internal stresses in the wood growth of Eucalyptus saligna Smith and Eucalyptus pellita F. Muell highlighting the logs stored in irrigated where you get the best results.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Tensiones de crecimiento]]></kwd>
<kwd lng="es"><![CDATA[madera aserrada]]></kwd>
<kwd lng="es"><![CDATA[Eucalyptus saligna Smith y Eucalyptus pellita. F. Muell]]></kwd>
<kwd lng="en"><![CDATA[Growth stress]]></kwd>
<kwd lng="en"><![CDATA[lumber]]></kwd>
<kwd lng="en"><![CDATA[Eucalyptus saligna Smith and Eucalyptus pellita. F. Muell]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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