<?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>0120-2812</journal-id>
<journal-title><![CDATA[Acta Agronómica]]></journal-title>
<abbrev-journal-title><![CDATA[Acta Agron.]]></abbrev-journal-title>
<issn>0120-2812</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-28122019000400271</article-id>
<article-id pub-id-type="doi">10.15446/acag.v68n4.70496</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Características morfológicas de variedades de café cultivadas en condiciones de sombra]]></article-title>
<article-title xml:lang="en"><![CDATA[Morphological characteristics of coffee varieties grown in shade conditions]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Milla-Pino]]></surname>
<given-names><![CDATA[Manuel Emilio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliva-Cruz]]></surname>
<given-names><![CDATA[Segundo Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Leiva-Espinoza]]></surname>
<given-names><![CDATA[Santos Triunfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Collazos-Silva]]></surname>
<given-names><![CDATA[Roicer]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gamarra-Torres]]></surname>
<given-names><![CDATA[Oscar Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrena-Gurbillón]]></surname>
<given-names><![CDATA[Miguel Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maicelo-Quintana]]></surname>
<given-names><![CDATA[Jorge Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Toribio Rodríguez de Mendoza Instituto de Investigación para el Desarrollo Sustentable de Ceja de Selva ]]></institution>
<addr-line><![CDATA[Chachapoyas Amazonas]]></addr-line>
<country>Perú</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>68</volume>
<numero>4</numero>
<fpage>271</fpage>
<lpage>277</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-28122019000400271&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-28122019000400271&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-28122019000400271&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El cultivo de café es una de las principales actividades agrícolas en la región Amazonas de Perú. El presente trabajo tuvo como finalidad evaluar el comportamiento agronómico de las variedades Catimor, Maragogipe y Castillo de café   (Coffea arabica), establecidas bajo un sistema agroforestal, empleando como sombra árboles de  Eucalyptus torreliana , Colubrina glandulosa y  Pinus tecunumanii . El estudio de inició en 2017 en el distrito de Huambo, Provincia de Rodríguez de Mendoza, Amazonas-Perú. Los tratamientos se distribuyeron en un diseño experimental en bloques completos al azar, y consistió en tres bloques y nueve tratamientos. Las variables evaluadas fueron: altura de planta, altura hasta la primera hoja, número de hojas, estado general de la planta y diámetro del tallo. La metodología utilizada consistió en análisis individual para cada tiempo, prueba de homogeneidad de varianzas y análisis conjunto en el tiempo para un mismo espacio, considerando la interacción tratamiento x tiempo, en evaluaciones a 30, 60, 90, 120 y 150 días después del establecimiento del cultivo. Los resultados indican que la variedad de café Castillo, tanto bajo sombra de P. tecunumanii como de  C. glandulosa , presentó el mejor comportamiento agronómico; mientras que la variedad Maragogipe bajo sombra de E. torreliana o de C. glandulosa mostró un deficiente comportamiento agronómico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Coffee crop is one of the main activities in the Amazon region, ranking as third in Peru. The purpose of this work was to evaluate the agronomic behavior of three coffee varieties (Catimor, Maragogipe and Castillo) established under an agroforestry system, using as shade trees  Eucalyptus torreliana , Colubrina glandulosa and  Pinus tecunumanii , whose experimental study was established in the district of Huambo, Province of Rodríguez de Mendoza, Amazonas-Peru during 2017. Treatments were distributed in a randomized complete block experimental design, with three blocks and nine treatments. The evaluated variables were plant height, height to the first leaf, number of leaves, general state of the plant and diameter of the stem. The methodology used consisted of individual analysis for each time, homogeneity test of variances and joint analysis over time for the same space, considering the interaction treatment*time, performing evaluations at 30, 60, 90, 120 and 150 days after crop seatlement. The results indicated that the variety of Castillo coffee either with shade of P. tecunumanii or with shade of C. glandulosa leads to a better agronomic behavior, and the variety of coffee Maragogipe both with shade of E. torreliana and with shadow of C. glandulosa shows a poor agronomic behavior.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Coffea arabica]]></kwd>
<kwd lng="es"><![CDATA[condiciones agroclimáticas]]></kwd>
<kwd lng="es"><![CDATA[crecimiento vegetativo]]></kwd>
<kwd lng="es"><![CDATA[sistemas agroforestales]]></kwd>
<kwd lng="es"><![CDATA[Perú]]></kwd>
<kwd lng="en"><![CDATA[agroclimatic conditions]]></kwd>
<kwd lng="en"><![CDATA[agroforestry systems]]></kwd>
<kwd lng="en"><![CDATA[Coffea arabica]]></kwd>
<kwd lng="en"><![CDATA[vegetative growth]]></kwd>
<kwd lng="en"><![CDATA[sustainable]]></kwd>
<kwd lng="en"><![CDATA[Perú]]></kwd>
</kwd-group>
</article-meta>
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