<?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>S2007-09342021000600991</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v12i6.2608</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Fertilización nitrogenada y emisión de N2O en la producción de maíz en la Comarca Lagunera]]></article-title>
<article-title xml:lang="en"><![CDATA[Nitrogen fertilization and of N2O emission in corn production in the Comarca Lagunera]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Sepúlveda]]></surname>
<given-names><![CDATA[Jorge Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cueto Wong]]></surname>
<given-names><![CDATA[José Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[Aurelio Báez]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santillán]]></surname>
<given-names><![CDATA[Vinisa Saynes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Juárez de Durango Facultad de Agricultura y Zootecnia ]]></institution>
<addr-line><![CDATA[ Durango]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias Campo Experimental La Laguna ]]></institution>
<addr-line><![CDATA[Matamoros Coahuila]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias Campo Experimental Bajío ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Colegio de Postgraduados Laboratorio de Fertilidad ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>12</volume>
<numero>6</numero>
<fpage>991</fpage>
<lpage>1003</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342021000600991&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342021000600991&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342021000600991&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se estableció un experimento para cuantificar el nivel de emisiones de N2O en el suelo en respuesta a la aplicación de dosis crecientes de fertilización nitrogenada para la producción de maíz. Los tratamientos fueron los siguientes: 1) testigo, sin aplicación de nitrógeno (N); 2) aplicación de 200 kg ha-1 de N; y 3) aplicación de 400 kg ha-1 de N. Se empleó un diseño experimental en bloques al azar con tres repeticiones. En julio de 2018 se establecieron los tratamientos correspondientes con maíz forrajero. Para efectuar las mediciones de emisión de N2O se colocaron dos cámaras estáticas de PVC en cada unidad experimental: una en el bordo del surco (B), donde se aplicó el fertilizante, y otra en el fondo de éste (F). Se realizaron mediciones periódicas y al mismo tiempo se recolectaron muestras de suelo de 0 a 15 cm de profundidad para medir el contenido de humedad y N inorgánico (N-NO3 - + N-NH4 +) y temperatura del suelo. El contenido de N inorgánico del suelo fluctuó en promedio de 28 a 59 mg kg-1 de suelo y el flujo de emisiones de N2O fluctuó de 22 a 60 g ha-1 día-1. Ambos se relacionaron estrechamente con las dosis crecientes de fertilización nitrogenada, tanto en el bordo como el fondo del surco, la R2 fluctuó entre 0.81 y 0.99. La tendencia se ajustó a un modelo exponencial. La producción forraje seco y gano alcanzaron 17.5 y 9.6 t ha-1, respectivamente, con la dosis de fertilización nitrogenada más alta. No hubo diferencias significativas (p&lt; 0.05) entre 200 y 400 unidades de N ha-1, lo cual indicó un bajo aprovechamiento de N por el cultivo y mayor emisión de N2O con ésta última.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract An experiment was established to quantify the level of N2O emissions in the soil in response to the application of increasing doses of nitrogen fertilization for corn production. The treatments were as follows: 1) control, without application of nitrogen (N); 2) application of 200 kg ha-1 of N; 3) application of 400 kg ha-1 of N. An experimental design in random blocks with three repetitions was used. The corresponding treatments with forage corn were established in July 2018. To carry out the measurements of N2O emissions, two PVC static chambers were placed in each experimental unit: one at the ridge (B), where the fertilizer was applied, and another at the bottom of the furrow (F). Periodic measurements were carried out and at the same time soil samples from 0 to 15 cm deep were collected to measure moisture content and inorganic N (N-NO3 - + N-NH4 +) and soil temperature. The content of inorganic N of the soil fluctuated on average from 28 to 59 mg kg-1 of soil and the flux of N2O emissions fluctuated from 22 to 60 g ha-1 day-1. Both were closely related to the increasing doses of nitrogen fertilization, both at the ridge and at the bottom of the furrow, the R2 fluctuated between 0.81 and 0.99. The trend was adjusted to an exponential model. Dry forage and grain production reached 17.5 and 9.6 t ha-1, respectively, with the highest nitrogen fertilization dose. There were no significant differences (p&lt; 0.05) between 200 and 400 units of N ha-1, which indicated a low utilization of N by the crop and a higher emission of N2O with the latter.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[emisión de gases de efecto invernadero]]></kwd>
<kwd lng="es"><![CDATA[fertilización]]></kwd>
<kwd lng="es"><![CDATA[nitrógeno del suelo]]></kwd>
<kwd lng="en"><![CDATA[greenhouse gas emission]]></kwd>
<kwd lng="en"><![CDATA[fertilization]]></kwd>
<kwd lng="en"><![CDATA[soil nitrogen]]></kwd>
</kwd-group>
</article-meta>
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