<?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>S2007-09342022000601015</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v13i6.2914</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Optimización de flujo de red en la formulación de proyecto de inversión en Tecamachalco, Puebla]]></article-title>
<article-title xml:lang="en"><![CDATA[Network flow optimization in the formulation of an investment project in Tecamachalco, Puebla]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medel-Chávez]]></surname>
<given-names><![CDATA[Gonzalo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arana-Coronado]]></surname>
<given-names><![CDATA[Oscar Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Sánchez]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdivia-Alcalá]]></surname>
<given-names><![CDATA[Ramón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Chapingo  ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<volume>13</volume>
<numero>6</numero>
<fpage>1015</fpage>
<lpage>1026</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342022000601015&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342022000601015&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342022000601015&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Utilizando programación lineal se formuló un modelo de flujo de redes para optimizar el uso de la tierra de pequeños productores en la zona del valle de Tecamachalco, Puebla, México. Se estimó el patrón de cultivos óptimo con el propósito de incrementar los beneficios netos a lo largo de un horizonte de producción y obtener los indicadores financieros como VAN, TIR y R B/C. Estos valores se compararon con la metodología tradicional de la evaluación de proyectos. El horizonte de producción fue de cinco años para cinco cultivos hortícolas: cebolla, jitomate, pimiento morrón, pepino y calabacita. Los resultados indicaron que el patrón de cultivos óptimo fue producir jitomate en primavera-verano (p-v) y pimiento morrón en otoño-invierno (o-i). Se obtuvo un VAN de $295 229.84 pesos, TIR de 68.64% y una relación B/C de 1.52. El beneficio neto del plan de producción fue de $7 422 367.00 pesos, siendo superior entre 15 y 45% con respecto a la producción de forma individual de cada cultivo. Para los cultivos seleccionados se calcularon ganancias de $6 254 668.49 y $6 339 146.18 pesos para jitomate y pimiento morrón respectivamente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Using linear programming, a network flow model was formulated to optimize the use of the land of small producers in the area of the Tecamachalco Valley, Puebla, Mexico. The optimal crop pattern was estimated in order to increase net profits over a production horizon and obtain financial indicators such as NPV, IRR and B/C R. These values were compared with the traditional methodology of project evaluation. The production horizon was five years for five horticultural crops: onion, tomato, bell pepper, cucumber and zucchini. The results indicated that the optimal crop pattern was to produce tomato in spring-summer (s-s) and bell pepper in autumn-winter (a-w). A NPV of $295 229.84 pesos, an IRR of 68.64% and a B/C ratio of 1.52 were obtained. The net profit of the production plan was $7 422 367.00 pesos, being between 15 and 45% higher with respect to the individual production of each crop. For the selected crops, profits of $6 254 668.49 and $6 339 146.18 pesos were calculated for tomatoes and bell peppers, respectively.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[flujo de redes]]></kwd>
<kwd lng="es"><![CDATA[hortalizas]]></kwd>
<kwd lng="es"><![CDATA[optimización]]></kwd>
<kwd lng="es"><![CDATA[programación lineal]]></kwd>
<kwd lng="es"><![CDATA[proyectos]]></kwd>
<kwd lng="en"><![CDATA[linear programming]]></kwd>
<kwd lng="en"><![CDATA[network flow]]></kwd>
<kwd lng="en"><![CDATA[optimization]]></kwd>
<kwd lng="en"><![CDATA[projects]]></kwd>
<kwd lng="en"><![CDATA[vegetables]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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