<?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>S2007-09342016000200301</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Uso eficiente y recuperación aparente de nitrógeno en maíz forrajero en suelos diferentes]]></article-title>
<article-title xml:lang="en"><![CDATA[Efficient use and apparent recuperation of nitrogen in fodder corn at different grounds]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Torres]]></surname>
<given-names><![CDATA[Anselmo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Figueroa Viramontes]]></surname>
<given-names><![CDATA[Uriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Preciado Rangel]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Núñez Hernández]]></surname>
<given-names><![CDATA[Gregorio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Luna Ortega]]></surname>
<given-names><![CDATA[J. Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Antuna Grijalva]]></surname>
<given-names><![CDATA[Oralia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro Departamento de Ciencias Básicas ]]></institution>
<addr-line><![CDATA[Torreón Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,INIFAP Campo Experimental La Laguna ]]></institution>
<addr-line><![CDATA[Matamoros Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Politécnica de la Región Laguna  ]]></institution>
<addr-line><![CDATA[San Pedro Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>2</numero>
<fpage>301</fpage>
<lpage>309</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342016000200301&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342016000200301&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342016000200301&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La fertilización es el componente de mayor influencia en la producción de maíz forrajero y el nitrógeno es el nutrimento de mayor demanda y el más limitante para este cultivo. La correcta recomendación de la dosis de fertilización mejora la eficiencia de los fertilizantes y reduce los riesgos de contaminación de aguas superficiales y subterráneas. El objetivo del presente estudio fue evaluar la eficiencia de uso de nitrógeno en dos suelos de textura contrastante (arcilloso y arenoso). Los tratamientos evaluados fueron 0, 50, 175, 300 y 425 kg ha-1. Los mayores valores en el uso eficiente de nitrogeno y la recuperacion aparente del nitrogeno fueron mayores en el suelo de textura arcillosa. Con el incremento en las dosis de fertilizacion se aumento la produccion de biomasa pero dismiye el uso eficiente de nitrogeno asi como la recuperacion aparente del mismo aumentando asi el riesgo potencial de contaminacion ambiental.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Fertilization is the component of bigger influence in the production of fodder corn and nitrogen is the nutriment of bigger request and the more limitation for this cultivation. The correct recommendation of the dose of fertilization improves the efficiency of the fertilizers and it reduces the superficial and subterranean risks of water pollution. The objective of the present study was to evaluate the efficiency of use of nitrogen at two grounds of contrasting texture (clayey and sandy). The evaluated treatments were 0, 50, 175, 300 and 425 kg -1. The bigger moral values in the efficient use of I nitrogenate and the apparent recuperation of the I nitrogenate the elders at the ground came from clayey texture. With the increment in them dose of fertilization himself increase in the production of biomass but dismiye the efficient use of I nitrogenate as well as the apparent recuperation of the same increasing the potential risk of environmental contamination that way.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[extracción de N]]></kwd>
<kwd lng="es"><![CDATA[fertilización nitrogenada]]></kwd>
<kwd lng="es"><![CDATA[rendimiento de materia seca]]></kwd>
<kwd lng="en"><![CDATA[extraction of N]]></kwd>
<kwd lng="en"><![CDATA[nitrogenated fertilization]]></kwd>
<kwd lng="en"><![CDATA[performance of dry matter]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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