<?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>2218-3620</journal-id>
<journal-title><![CDATA[Revista Universidad y Sociedad]]></journal-title>
<abbrev-journal-title><![CDATA[Universidad y Sociedad]]></abbrev-journal-title>
<issn>2218-3620</issn>
<publisher>
<publisher-name><![CDATA[Editorial "Universo Sur"]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2218-36202018000100105</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Residuos del cultivo de arroz como mulching para el cultivo de calabaza (cucurbita moschata l)]]></article-title>
<article-title xml:lang="en"><![CDATA[Residues of rice cultivation as mulching for the cultivation of pumpkin (cucurbita moschata l)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gordillo Manssur]]></surname>
<given-names><![CDATA[Fabián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cos Farías]]></surname>
<given-names><![CDATA[Valeria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero Blacio]]></surname>
<given-names><![CDATA[Fernanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Guayaquil  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>República del Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<volume>10</volume>
<numero>1</numero>
<fpage>105</fpage>
<lpage>110</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2218-36202018000100105&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2218-36202018000100105&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2218-36202018000100105&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La producción agropecuaria tiene efectos negativos al medio ambiente especialmente al suelo. Por lo expuesto, se evaluó la incorporación de cobertura vegetal a partir de la panca de arroz en el desarrollo agronómico del cultivo de calaza. Los tratamientos fueron: suelo sin mulching y con mulching; en todos los casos, la fertilización fue la misma. Las evaluaciones se las realizaron a los 35, 65 y 95 días después del trasplante. El rendimiento se determinó a partir de longitud de la planta (guía principal), número de flores, número de frutos, peso de fruto, tamaño de frutos. Los datos se analizaron mediante un análisis de varianza, utilizando el paquete estadístico Statgraphics Centurion XVII.II con una comparación múltiple de medias (LSD Fisher, &#8733; = 0.05). El mulching al suelo con panca de arroz es una alternativa viable de producción para el cultivo de calaza; ya que, las plantas cultivadas en el suelo con mulching con baja fertilización, presentaron valores altos en las variables agronómicas analizadas, además contribuyen a conservar la fertilidad del suelo y a mejorar las condiciones físicas del mismo, así como control natural de malezas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Agricultural production has negative effects on the environment, especially on the soil. For the above, we evaluated the incorporation of vegetable cover from the panca of rice in the agronomic development of the crop of the shoe. The treatments were: soil without mulching and with mulching; in all cases, fertilization was the same. The evaluations were performed at 35, 65 and 95 days after transplantation. The yield was determined from plant length (main guide), number of flowers, number of fruits, weight of fruit, and size of fruits. Data were analyzed by analysis of variance using Statgraphics Centurion XVII.II statistical package with a multiple comparison of means (LSD Fisher, &#945; = 0.05). Mulching to the soil with rice paddy is a viable production alternative for the cultivation of calabaza; since the plants cultivated in the soil with mulching with low fertilization showed high values in the agronomic variables analyzed, in addition they contribute to preserve the fertility of the soil and to improve the physical conditions of the same, as well as natural control of weeds.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Mulching]]></kwd>
<kwd lng="es"><![CDATA[calabaza]]></kwd>
<kwd lng="es"><![CDATA[suelo]]></kwd>
<kwd lng="en"><![CDATA[Mulching]]></kwd>
<kwd lng="en"><![CDATA[calabaza]]></kwd>
<kwd lng="en"><![CDATA[soil]]></kwd>
</kwd-group>
</article-meta>
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