<?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>S2007-09342020000501005</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v11i5.2118</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Productividad del agua y rendimiento de maíz bajo diferente disponibilidad de humedad]]></article-title>
<article-title xml:lang="en"><![CDATA[Water productivity and corn yield under different humidity availability]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alonso-Sánchez]]></surname>
<given-names><![CDATA[Homero]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tadeo-Robledo]]></surname>
<given-names><![CDATA[Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinosa-Calderón]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zaragoza-Esparza]]></surname>
<given-names><![CDATA[Job]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-López]]></surname>
<given-names><![CDATA[Consuelo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Estudios Superiores Cuautitlán Ingeniería Agrícola]]></institution>
<addr-line><![CDATA[Cuautitlán Izcalli Estado de México]]></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>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<volume>11</volume>
<numero>5</numero>
<fpage>1005</fpage>
<lpage>1016</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342020000501005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342020000501005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342020000501005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La experimentación con híbridos para condiciones con escasez de agua es fundamental para la seguridad hídrica y alimentaria, integrando el manejo de cultivos con el de los recursos hídricos. El objetivo en este trabajo fue definir la productividad del agua, el rendimiento de grano y el peso hectolítrico en tres ambientes con diferente disponibilidad de humedad: riego y temporal en la FESC-UNAM y riego en Texcoco, Estado de México; utilizando cinco híbridos de maíz de la UNAM y cinco del INIFAP, con dos densidades de siembra. Se estableció el experimento en bloques completos al azar y se registraron variables durante el ciclo y a la cosecha; la productividad total del agua se calculó como el volumen total de agua entre el rendimiento de grano a 14% de humedad. Utilizando SAS se realizó el ANOVA para el análisis de los factores y sus interacciones, se separaron las medias con la prueba de Tukey al 5%. Se encontró efecto de la interacción ambiente x híbrido e híbrido x densidad de siembra en la productividad total del agua. En el rendimiento de grano se encontró efecto de la interacción ambiente x híbrido, ambiente x densidad e híbrido x densidad. Se encontró efecto altamente significativo en el peso hectolítrico del ambiente y del tipo de híbrido. La interacción del híbrido Atziri Puma con los ambientes y con la densidad de siembra mostraron los valores máximos de productividad total del agua y del rendimiento de grano.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Experimenting with hybrids for conditions with scarce water is essential for water and food security, integrating crop management with that of water resources. The objective of this work was to define water productivity, grain yield, and hectolitre weight in three environments with different humidity availability: irrigation and rainfed in the FESC-UNAM and irrigation in Texcoco, State of Mexico; using five corn hybrids from UNAM and five from INIFAP, with two planting densities. The experiment was established in complete random blocks and variables were registered during the cycle and at harvest; total water productivity was calculated as the total volume of water between grain yield at 14% humidity. Using SAS, ANOVA was performed to analyze the factors and their interactions, the means were separated with the Tukey test at 5%. The effect of the interaction environment x hybrid and hybrid x planting density was found on the total productivity of the water. In the grain yield, an effect of the interaction environment x hybrid, environment x density and hybrid x density was found. A highly significant effect was found on the hectoliter weight of the environment and the type of hybrid. The interaction of the Atziri Puma hybrid with the environments and with the planting density showed the maximum values of total water productivity and grain yield.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[eficiencia en el uso del agua]]></kwd>
<kwd lng="es"><![CDATA[punta de riego]]></kwd>
<kwd lng="es"><![CDATA[riego más precipitación]]></kwd>
<kwd lng="es"><![CDATA[riego y temporal]]></kwd>
<kwd lng="es"><![CDATA[volumen bruto]]></kwd>
<kwd lng="en"><![CDATA[gross volume]]></kwd>
<kwd lng="en"><![CDATA[irrigation and rainfed]]></kwd>
<kwd lng="en"><![CDATA[irrigation plus precipitation]]></kwd>
<kwd lng="en"><![CDATA[irrigation tip]]></kwd>
<kwd lng="en"><![CDATA[water use efficiency]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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