<?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>S2007-09342018000601109</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v9i6.1577</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Expresiones analíticas de la erosión de suelo e impacto en su productividad]]></article-title>
<article-title xml:lang="en"><![CDATA[Analytical expressions of soil erosion and impact on their productivity]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Cohen]]></surname>
<given-names><![CDATA[Ignacio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pedroza Sandoval]]></surname>
<given-names><![CDATA[Aurelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velásquez Valle]]></surname>
<given-names><![CDATA[Miguel A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bueno Hurtado]]></surname>
<given-names><![CDATA[Palmira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Esquivel Arriaga]]></surname>
<given-names><![CDATA[Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,INIFAP Centro Nacional de Investigación Disciplinaria en Relación Agua-Suelo Planta-Atmósfera]]></institution>
<addr-line><![CDATA[ Durango]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Chapingo Unidad Regional Universitaria de Zonas Áridas ]]></institution>
<addr-line><![CDATA[ Durango]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,INIFAP Centro de Investigación Regional Noreste ]]></institution>
<addr-line><![CDATA[Saltillo Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<volume>9</volume>
<numero>6</numero>
<fpage>1109</fpage>
<lpage>1122</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342018000601109&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342018000601109&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342018000601109&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las aproximaciones para la estimación y proyección de pérdida de suelo en cuencas hidrológicas, varían desde las ecuaciones empíricas, hasta el uso de modelos basados en la física ambiental. El presente estudio tuvo como objetivo generar y proponer el uso de una ecuación diferencial logística para la estimación de pérdida de suelo. Mediante el uso de un modelo exponencial bajo condiciones de deterioro del suelo, se estimó la pérdida de rendimiento del cultivo maíz en 3.5 t ha-1 al pasar de 4.5 a 1 t ha-1. El modelo de erosión se parametrizó con información de una cuenca experimental del INIFAP situada en el municipio de San Luis del Cordero, Durango. Los resultados indican que la tasa promedio anual de pérdida de suelo es de 0.44 mm año-1, para lo cual se consideró como tasa crítica de pérdida de suelo 10 mm año-1. Con esa tasa inicial, el agostadero alcanzaría su tasa máxima permisible en 19 años. Este estudio analiza el comportamiento de los parámetros del modelo de donde se ensayaron otros escenarios de pérdida de suelo donde la tasa máxima permisible se alcanza en diferentes tiempos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The approximations for the estimation and projection of soil loss in hydrological basins, vary from the empirical equations, to the use of models based on environmental physics. The objective of this study was to generate and propose the use of a logistic differential equation for estimating soil loss. By using an exponential model under conditions of soil deterioration, the yield loss of the corn crop was estimated at 3.5 t ha-1, going from 4.5 to 1 t ha-1. The erosion model was parameterized with information from an experimental INIFAP basin located in the municipality of San Luis of Cordero, Durango. The results indicate that the average annual rate of soil loss is 0.44 mm year-1, for which it was considered a critical rate of soil loss of 10 mm year-1. With that initial rate, the range would reach its maximum allowable rate in 19 years. This study analyzes the behavior of the model parameters from where other soil loss scenarios were tested where the maximum permissible rate is reached at different times.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[impacto ambiental]]></kwd>
<kwd lng="es"><![CDATA[modelación de procesos]]></kwd>
<kwd lng="es"><![CDATA[pérdida de suelo]]></kwd>
<kwd lng="es"><![CDATA[rendimiento]]></kwd>
<kwd lng="en"><![CDATA[environmental impact]]></kwd>
<kwd lng="en"><![CDATA[process modeling]]></kwd>
<kwd lng="en"><![CDATA[soil loss]]></kwd>
<kwd lng="en"><![CDATA[yield]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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