<?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>1405-2768</journal-id>
<journal-title><![CDATA[Polibotánica]]></journal-title>
<abbrev-journal-title><![CDATA[Polibotánica]]></abbrev-journal-title>
<issn>1405-2768</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-27682017000200109</article-id>
<article-id pub-id-type="doi">10.18387/polibotanica.44.8</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Perfil fisicoquímico y microbiológico de tres distintos suelos forestales y su efecto en el crecimiento de Pinus Devoniana Lindl.]]></article-title>
<article-title xml:lang="en"><![CDATA[Physicochemical and microbiological profile of three different forest soils and effect on Pinus devoniana Lindl. Growth.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enríquez-Velázquez]]></surname>
<given-names><![CDATA[Olga]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Aguilar]]></surname>
<given-names><![CDATA[Rosenda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valencia-Cantero]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velázquez-Becerra]]></surname>
<given-names><![CDATA[Crisanto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo Facultad de Ingeniería en Tecnología de la Madera ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo Facultad de Biología ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo Instituto de Investigaciones Químico-Biológicas ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<numero>44</numero>
<fpage>109</fpage>
<lpage>118</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-27682017000200109&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-27682017000200109&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-27682017000200109&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN: Los pinos (Pinus spp.) son un grupo de árboles catalogados como el primer género en distribución y diversidad de especies. La alta variabilidad bioclimática de estos bosques puede modular y diferenciar el desarrollo vegetal. En ecosistemas forestales las comunidades microbianas son dependientes del sustrato y estacionalidad, pueden variar de un punto a otro, aun tratándose de un mismo sitio. Por esta razón, el objetivo del trabajo fue conocer cómo las características fisicoquímicas y microbiológicas de tres distintos suelos forestales afectaron el crecimiento de Pinus devoniana L. bajo condiciones in vitro. Para ello, se utilizaron semillas y suelo de tres diferentes bosques de pino, para su germinación y desarrollo hasta 45 días de edad. El perfil fisiológico de uso de fuente de carbono de las comunidades microbianas del suelo se analizó mediante Biolog EcoPlates. Los resultados mostraron un pH moderadamente ácido para los tres suelos de estudio (5.06 a 5.97 UPH). Además, se registró el fósforo en cantidades limitadas (&#706; 0.5 mg kg-1) en suelo de localidades como Pátzcuaro y Cherán. Por otro lado, el perfil fisiológico del suelo mostró ser diferente en los tres sitios con una marcada influencia en la arquitectura radical, concluyendo que dichos factores del suelo modificaron diferencialmente la longitud y peso de la raíz, pero sin influir en el desarrollo de la parte aérea de P. devoniana L.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT: The pines (Pinus spp.) are a group of trees cataloged as the first genus in distribution and species diversity. The high bioclimatic variability of these forests can modulate and differentiate plant development. In forest ecosystems, microbial communities are dependent on substrate and seasonality, they can vary from one point to another. For this reason, in this work, the objective was known the physicochemical and microbiological characteristics of three different forest soils on the growth of Pinus devoniana L. under in vitro conditions. We used seeds and soil from three different pine forests, for germination and development to 45 days of age. The physiological profile of use carbon source in microbial communities&#8217; soil was analyzed by Biolog EcoPlates. The results exposed acidic pH for the three soils studied (5.06 to 5.97 UPH). In addition, phosphorus was found in limited quantities (&#706;0.5 mg kg-1) in soil from Pátzcuaro and Cherán. However, the physiological profile of soil displayed different in three sites with clear influence in root architecture, concluding that these soil factors modified differentially the root length and weight, but without influencing the aerial part development in P. devoniana L.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[suelos forestales]]></kwd>
<kwd lng="es"><![CDATA[nutrientes]]></kwd>
<kwd lng="es"><![CDATA[comunidades microbianas]]></kwd>
<kwd lng="en"><![CDATA[soil forest]]></kwd>
<kwd lng="en"><![CDATA[nutrients]]></kwd>
<kwd lng="en"><![CDATA[microbial communities]]></kwd>
</kwd-group>
</article-meta>
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