<?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>S2007-09342019000501139</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v10i5.1759</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Fertilización orgánica con tres niveles de gallinaza en cuatro cultivares de papa]]></article-title>
<article-title xml:lang="en"><![CDATA[Organic fertilization with three levels of chicken manure in four potato cultivars]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peñaloza Monroy]]></surname>
<given-names><![CDATA[Josué]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes Ramírez]]></surname>
<given-names><![CDATA[Ana Karen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Huerta]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez López]]></surname>
<given-names><![CDATA[Delfina de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sangerman-Jarquín]]></surname>
<given-names><![CDATA[Dora Ma.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de México  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Valle de México ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<volume>10</volume>
<numero>5</numero>
<fpage>1139</fpage>
<lpage>1149</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342019000501139&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342019000501139&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342019000501139&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El presente trabajo se realizó en el ciclo primavera-verano de 2017 en Ojo de Agua, municipio de Zinacantepec, Estado de México, para evaluar la respuesta de tres niveles de gallinaza y un tratamiento de fertilización químico en cuatro cultivares de papa. Los 16 tratamientos se evaluaron en un diseño experimental de bloques completos al azar en arreglo factorial 4x4 con tres repeticiones. El tamaño de la parcela experimental se integró con tres surcos de 4 m de largo y 0.90 m de ancho. Las variables registradas fueron altura de planta, número de tallos y de tubérculos por planta, pesos de tubérculo por planta, de follaje en fresco, índice de cosecha, rendimiento por hectárea, diámetro (DT) y longitud de tubérculo (LT). Los resultados mostraron que los cv. Rosita (24.38 t ha-1) y Ágata (23.85 t ha-1), en 4 t ha-1 de gallinaza, produjeron los mayores rendimientos de tubérculo. Los componentes principales 1 y 2 explicaron el 69.19% de la variación total original. En 4 t ha-1 de gallinaza hubo más tallos y mayores pesos de tubérculo, follaje en fresco y producción de tubérculo. Los cv. Rosita y Ágata sobresalieron en tallos por planta, así como en pesos de tubérculo y de follaje en fresco; la primera tuvo más tubérculos por planta. En los cv. Fianna, Ágata y Lucero se registraron los mayores índices de cosecha.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The present work was carried out in the spring-summer cycle of 2017 in Ojo de Agua, municipality of Zinacantepec, State of Mexico, to evaluate the response of three levels of chicken manure and a chemical fertilization treatment in four potato cultivars. The 16 treatments were evaluated in a randomized complete block design in a 4x4 factorial arrangement with three replications. The size of the experimental plot was integrated with three furrows 4 m long and 0.90 m wide. The registered variables were plant height, number of stems and tubers per plant, tuber weights per plant, fresh foliage, harvest index, yield per hectare, diameter (DT) and tuber length (LT). The results showed that the cv. Rosita (24.38 t ha-1) and Ágata (23.85 t ha-1), in 4 t ha-1 of chicken manure, produced the highest tuber yields. Major components 1 and 2 explained 69.19% of the original total variation. In 4 t ha-1 of chicken manure there were more stems and greater weights of tuber, foliage in fresh and tuber production. The cv. Rosita and Ágata excelled in stems per plant, as well as tuber weights and fresh foliage; the first had more tubers per plant. In the cv. Fianna, Ágata and Lucero recorded the highest harvest rates.]]></p></abstract>
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<kwd lng="es"><![CDATA[Solanum tuberosum L.]]></kwd>
<kwd lng="es"><![CDATA[abonos orgánicos]]></kwd>
<kwd lng="es"><![CDATA[análisis de componentes principales]]></kwd>
<kwd lng="es"><![CDATA[Valles Altos del Centro de México]]></kwd>
<kwd lng="en"><![CDATA[Solanum tuberosum L.]]></kwd>
<kwd lng="en"><![CDATA[High Valleys of Central Mexico]]></kwd>
<kwd lng="en"><![CDATA[organic fertilizers]]></kwd>
<kwd lng="en"><![CDATA[principal component analysis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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