<?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>0258-5936</journal-id>
<journal-title><![CDATA[Cultivos Tropicales]]></journal-title>
<abbrev-journal-title><![CDATA[cultrop]]></abbrev-journal-title>
<issn>0258-5936</issn>
<publisher>
<publisher-name><![CDATA[Ediciones INCA]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0258-59362019000100003</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Comportamiento productivo en agroecosistemas de intercalamiento yuca-frijol en el municipio &#8220;Calixto García&#8221;, provincia Holguín]]></article-title>
<article-title xml:lang="en"><![CDATA[Productive yielding in agroecosystems of cassava-beans alternation in &#8220;Calixto García&#8221; municipality, Holguín province]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zayas-Infante]]></surname>
<given-names><![CDATA[Sebastián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Boeckx]]></surname>
<given-names><![CDATA[Pascal]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Rodriguez]]></surname>
<given-names><![CDATA[Heriberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Holguín Centro Universitario Municipal &#8220;Calixto García&#8221; ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ghent Laboratorio Isotópico de Biociencias ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Bélgica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Agraria de La Habana &#8220;Fructuoso Rodríguez Pérez&#8221;  ]]></institution>
<addr-line><![CDATA[Mayabeque ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>40</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0258-59362019000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0258-59362019000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0258-59362019000100003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN &#8226; Este trabajo se desarrolló en áreas productivas del municipio &#8220;Calixto García&#8221;, provincia Holguín. El estudio se realizó con el objetivo de evaluar el comportamiento de los rendimientos en sistemas de intercalamiento yuca-frijol en el municipio. En esta investigación se empleó el clon de yuca &#8220;Selección Holguín&#8221; y el cultivar de frijol Caupí &#8220;Carita Blanco&#8221; con un ciclo de 270 días para la yuca y 70 días para el frijol sobre suelos alcalinos. En el cultivo de la yuca se evaluaron los indicadores siguientes: cantidad de raíces tuberosas por planta, masa promedio por planta y rendimiento del cultivo en t ha-1, en el cultivo del frijol se evaluó: presencia de nódulos en el sistema radicular y rendimiento del cultivo en t ha-1; en el sistema se evaluó: el Índice de Eficiencia de la Tierra (IET) y la valoración económica. Los resultados mostraron respuestas diferenciadas de los indicadores evaluados en cada tratamiento, destacándose el tratamiento II (fertilización mixta a partir de la combinación de materia orgánica a razón de 5 t ha-1 y micro dosis de fertilizante a base de fórmula completa NPK a razón de 10 g por planta con intercalamiento de frijol) con mayores rendimientos, resultados económicos, mayor presencia de nódulos sobre el resto de los tratamientos y se encontraron Índice de Eficiencia de la Tierra favorables para la asociaciones yuca-frijol con valores de 1,67-2,12; lo que corroboró la eficiencia del uso de policultivos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT &#8226; This work was developed in productive areas of the municipality &#8220;Calixto García", county Holguín, a study was carried out to determine the behavior of the yields in systems of cassava-beans alternation, the objective of the work consisted on evaluating the productive behavior in intercropping of both cultivations in the municipality. This investigation was developed in the cultivations cassava clone &#8220;Selección Holguín&#8221; and bean variety Carita Blanco with a cycle of 270 days for the cassava and 70 days for the bean it has more than enough alkaline soils. The following indicators were evaluated: quantity of tuberous roots for plant, weight average for plant, yield of the cultivation in t ha-1, presence of nodules in the system radicular of the bean, the Index of Efficiency of the Earth (IET) and the economic evaluation. The reached results showed differentiated answers of the indicators evaluated in each treatment, standing out the treatment II (mixed fertilization starting from the combination of organic matter to reason of 5 t ha-1 and micro fertilizer dose with the help of it formulates complete to reason of 10 g for plant with bean alternation) with more yields, results economic and bigger presence of nodules on the rest of the treatments.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[rendimiento]]></kwd>
<kwd lng="es"><![CDATA[suelo alcalino]]></kwd>
<kwd lng="es"><![CDATA[Caupí]]></kwd>
<kwd lng="es"><![CDATA[materia orgánica del suelo]]></kwd>
<kwd lng="es"><![CDATA[Manihot esculenta]]></kwd>
<kwd lng="es"><![CDATA[Vigna unguiculata]]></kwd>
<kwd lng="en"><![CDATA[yield]]></kwd>
<kwd lng="en"><![CDATA[alkaline soil]]></kwd>
<kwd lng="en"><![CDATA[Cowpea]]></kwd>
<kwd lng="en"><![CDATA[Soil organic matter]]></kwd>
<kwd lng="en"><![CDATA[Manihot esculenta]]></kwd>
<kwd lng="en"><![CDATA[Vigna unguiculata]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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