<?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>2007-9028</journal-id>
<journal-title><![CDATA[Ecosistemas y recursos agropecuarios]]></journal-title>
<abbrev-journal-title><![CDATA[Ecosistemas y recur. agropecuarios]]></abbrev-journal-title>
<issn>2007-9028</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-90282021000100017</article-id>
<article-id pub-id-type="doi">10.19136/era.a8n1.2863</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Asociación entre medidas morfológicas del tronco en Erythrina americana Miller y rendimiento de follaje comestible]]></article-title>
<article-title xml:lang="en"><![CDATA[Relationship between morphological measurements of trunk in Erythrina americana Miller and yield of edible foliage]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliva-Hernández]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Herrera]]></surname>
<given-names><![CDATA[María Aurelia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo Linares]]></surname>
<given-names><![CDATA[Erika Belem]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias, Campo Experimental Huimanguillo ]]></institution>
<addr-line><![CDATA[ Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Mocochá ]]></institution>
<addr-line><![CDATA[ Yucatán]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>8</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282021000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282021000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282021000100017&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN: El objetivo del estudio fue analizar la relación entre altura y diámetro del árbol de Erythrina americana con el rendimiento de follaje a una edad de rebrote de 90 días. Se emplearon 47 árboles con altura de 1.6 m ± 0.2 m, diámetros a 0.20 m y 1.3 m del suelo, de 0.085 ± 0.021 m y 0.065 ± 0.018 m, respectivamente. La asociación entre altura y diámetros del árbol con el rendimiento de materia seca (RMS) árbol-1, se determinó con correlación. La variación en RMS árbol-1 se determinó a través de regresión múltiple. Altura y diámetros del árbol a 0.20 y 1.3 m tuvieron asociación positiva con RMS árbol-1 (p &lt; 0.05 y p &lt; 0.001, respectivamente). El diámetro del árbol a 0.20 m explicó 34% de la variación en RMS árbol-1 (p &lt; 0.0001). Altura y diámetro del árbol no tuvieron valor predictivo importante en el RMS árbol-1.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT: The aim of this study was to analyze the relationship of diameter and height of Erythrina americana tree with the foliage yield at a regrowth age of 90 days. Forty-seven trees with height of 1.6 m ± 0.2 m, diameters of 0.085 ± 0.021 and 0.065 ± 0.018 at a height of 0.20 m and 1.3 m from soil respectively were used. The relationship between height and diameters of the tree with the dry matter yield (DMY) tree-1 was determined with correlation process. The variation in DMY tree-1 was determined through multiple regression. Tree height and diameters at 0.20 and 1.3 m had a positive relationship with DMY tree-1 (p &lt; 0.05 and p &lt; 0.001, respectively). The diameter of the tree at 0.20 m explained 34% of the variation in DMY tree-1 (p &lt; 0.001). Tree height and diameter did not have an important predictive value in DMY tree-1.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Alimento]]></kwd>
<kwd lng="es"><![CDATA[cerco vivo]]></kwd>
<kwd lng="es"><![CDATA[leguminosa arbórea]]></kwd>
<kwd lng="es"><![CDATA[ovinos]]></kwd>
<kwd lng="es"><![CDATA[trópico húmedo]]></kwd>
<kwd lng="en"><![CDATA[Food]]></kwd>
<kwd lng="en"><![CDATA[living fence]]></kwd>
<kwd lng="en"><![CDATA[arboreal legume]]></kwd>
<kwd lng="en"><![CDATA[sheep]]></kwd>
<kwd lng="en"><![CDATA[humid tropic]]></kwd>
</kwd-group>
</article-meta>
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