<?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>S2007-09342020000900001</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v0i24.2353</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Rendimiento de trébol blanco asociado con pasto ovillo a diferentes frecuencias de pastoreo]]></article-title>
<article-title xml:lang="en"><![CDATA[Yield of white clover associated with ovillo grass at different grazing frequencies]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ventura Ríos]]></surname>
<given-names><![CDATA[Joel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Moreno]]></surname>
<given-names><![CDATA[Edgar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santiago Ortega]]></surname>
<given-names><![CDATA[Mario Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wilson García]]></surname>
<given-names><![CDATA[Claudia Yaneth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado Peralta]]></surname>
<given-names><![CDATA[María de los Ángeles]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas García]]></surname>
<given-names><![CDATA[Adelaido Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Abs Global  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>USA</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Colegio de Postgraduados Recursos Genéticos y Productividad-Ganadería ]]></institution>
<addr-line><![CDATA[Montecillo Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro de Desarrollo Tecnológico Tatakin  ]]></institution>
<addr-line><![CDATA[Tzucacab Yucatán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma Chapingo  ]]></institution>
<addr-line><![CDATA[San Luis Acatlán Guerrero]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Autónoma de Guerrero Facultad de Medicina Veterinaria y Zootecnia ]]></institution>
<addr-line><![CDATA[Cuajinicuilapa Guerrero]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>05</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>05</month>
<year>2020</year>
</pub-date>
<volume>11</volume>
<numero>spe24</numero>
<fpage>1</fpage>
<lpage>12</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342020000900001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342020000900001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342020000900001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo del estudio fue evaluar el comportamiento del trébol blanco (Trifolium repens L.) asociado con pasto ovillo (Dactylis glomerata L.) a cuatro frecuencias de pastoreo. Los tratamientos fueron las frecuencias fijas de 28 d en primavera-verano y 35 d en otoño-invierno y cuando la pradera intercepto 95 y 100% de radiación interceptada. Los tratamientos se asignaron a unidades experimentales de acuerdo con un diseño de bloques al azar en parcelas divididas con tres repeticiones. Las variables evaluadas fueron: rendimiento de materia seca (RMS), composición botánica y morfológica (CBM, %), tasa de crecimiento (TC), radiación interceptada (RI, %) y altura. La frecuencia de pastoreo durante el invierno modifico la acumulación de materia seca (3 885 kg MS ha-1; p&lt; 0.05). La TC fue mayor en la frecuencia de pastoreo a 28 d en primavera (70 kg MS ha-1 d-1; p&lt; 0.05). La mayor altura se alcanzó a 28 d en el verano (26 cm; p&lt; 0.05). La frecuencia de pastoreo no afecto el rendimiento de la pradera, excepto en invierno cuando el mejor rendimiento se obtuvo al pastorear al 95% de RI. La RI y la altura de la planta son indicativos del rendimiento de materia seca y momento óptimo de cosecha.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective of the study was to evaluate the behavior of white clover associated with ovillo grass at four grazing frequencies. The treatments were fixed frequencies of 28 d in spring-summer and 35 d in autumn-winter and when the grassland intercepted 95 and 100% of intercepted radiation. Treatments were assigned to experimental units according to a randomized block design in divided plots with three replications. The variables evaluated were dry matter yield (DMY), botanical and morphological composition (BMC, %), growth rate (GR), intercepted radiation (IR, %) and height. The frequency of grazing during the winter modified the accumulation of dry matter (3885 kg DM ha-1; p&lt; 0.05). The GR was higher in the grazing frequency at 28 d in spring (70 kg DM ha-1 d-1; p&lt; 0.05). The highest height was reached at 28 d in the summer (26 cm; p&lt; 0.05). Grazing frequency did not affect Grassland yield, except in winter when the best yield was obtained by grazing at 95% IR. The IR and the height of the plant are indicative of the dry matter yield and optimal harvest time.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[frecuencia de pastoreo]]></kwd>
<kwd lng="es"><![CDATA[gramínea]]></kwd>
<kwd lng="es"><![CDATA[leguminosa]]></kwd>
<kwd lng="en"><![CDATA[grass]]></kwd>
<kwd lng="en"><![CDATA[grazing frequency]]></kwd>
<kwd lng="en"><![CDATA[legume]]></kwd>
</kwd-group>
</article-meta>
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