<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342017000801705</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v8i8.696</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Rendimiento de materia seca y concentración de fósforo de una asociación Brachiaria humidicola-Stylosanthes guianensis]]></article-title>
<article-title xml:lang="en"><![CDATA[Dry matter yield and phosphorus concentration of an association Brachiaria humidicola-Stylosanthes guianensis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez-Pérez]]></surname>
<given-names><![CDATA[Félix Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bolaños-Aguilar]]></surname>
<given-names><![CDATA[Eduardo Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lagunes-Espinoza]]></surname>
<given-names><![CDATA[Luz del Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salgado-García]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos-Juárez]]></surname>
<given-names><![CDATA[Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerrero-Rodríguez]]></surname>
<given-names><![CDATA[Juan de Dios]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados Campus Tabasco ]]></institution>
<addr-line><![CDATA[ Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias (INIFAP) Campo Experimental Huimanguillo ]]></institution>
<addr-line><![CDATA[ Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Colegio de Postgraduados Campus Puebla ]]></institution>
<addr-line><![CDATA[Puebla Puebla]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<volume>8</volume>
<numero>8</numero>
<fpage>1705</fpage>
<lpage>1717</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342017000801705&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342017000801705&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342017000801705&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El estudio se realizó en una pradera de Huimanguillo, Tabasco, establecida en un suelo con pH ácido y bajos contenidos de N, P y K, de octubre 2014 a julio 2015 comprendiendo las épocas de nortes, seca y lluvias. El objetivo fue evaluar el efecto de la fertilización fosfatada en el rendimiento de materia seca (RMS), distribución estacional del forraje y concentración de fósforo (P) de una pradera asociada B. humidicola-S. guianensis y una en monocultivo de B. humidicola. Las parcelas de B. humidicola en monocultivo sin y con fertilización fosfatada (H, HF) y de la asociación sin y con fertilización fosfatada (HS, HSF), establecidas en un diseño completamente al azar con cuatro repeticiones, fueron analizadas en medidas repetidas. El RMS y P fueron medidos cada 35 días del 7 de octubre 2014 al 14 de julio 2015. El RMS total fue semejante entre H, HF y HSF (10.5 vs 7.07 t ha-1 en HS), aunque el RMS de las praderas asociadas (HS, HSF) presentó menor variación en el tiempo. Las praderas asociadas presentaron mayor RMS en la época seca, y las praderas en monocultivo en lluvias. La concentración de fósforo en la biomasa de S. guianensis y en la de los tratamientos fertilizados (HF, HSF) fue más alta que en la de los tratamientos sin fertilizar (H, HS). El número de nódulos por planta se incrementó por la fertilización fosfatada (18.8 en HSF vs 13.9 HS, promedio de las tres épocas), pero no el RMS en raíces.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The study was conducted in a meadow of Huimanguillo, Tabasco, established in a soil with acidic pH and low contents of N, P and K, from October 2014 to July 2015, including the northeastern, dry and rainy seasons. The objective was to evaluate the effect of phosphate fertilization on the yield of dry matter (RMS), seasonal distribution of forage and phosphorus concentration (P) of an associated meadow B. humidicola-S. guianensis and one in monoculture of B. humidicola. The plots of B. humidicola in monoculture without and with phosphate fertilization (H, HF) and of the association without and with phosphate fertilization (HS, HSF), established in a completely randomized design with four replications, were analyzed in repeated measurements. The RMS and P were measured every 35 days from October 7, 2014 to July 14, 2015. The total RMS was similar between H, HF and HSF (10.5 vs 7.07 t ha-1 in HS), although the RMS of the associated grasslands (HS, HSF) showed less variation in time. The associated grasslands showed higher RMS in the dry season, and the prairies in monoculture in rains. The concentration of phosphorus in the biomass of S. guianensis and in the one of the fertilized treatments (HF, HSF) was higher than in the one of the treatments without fertilizing (H, HS). The number of nodules per plant was increased by phosphate fertilization (18.8 in HSF vs 13.9 HS, average of the three seasons), but not the RMS in roots.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[distribución estacional de materia seca]]></kwd>
<kwd lng="es"><![CDATA[leguminosas forrajeras tropicales]]></kwd>
<kwd lng="es"><![CDATA[pradera asociada gramínea-leguminosa]]></kwd>
<kwd lng="es"><![CDATA[rendimiento de forraje]]></kwd>
<kwd lng="en"><![CDATA[forage yield]]></kwd>
<kwd lng="en"><![CDATA[grass-legume associated pasture]]></kwd>
<kwd lng="en"><![CDATA[seasonal distribution of dry matter]]></kwd>
<kwd lng="en"><![CDATA[tropical foragelegumes]]></kwd>
</kwd-group>
</article-meta>
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