<?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>0012-7353</journal-id>
<journal-title><![CDATA[DYNA]]></journal-title>
<abbrev-journal-title><![CDATA[Dyna rev.fac.nac.minas]]></abbrev-journal-title>
<issn>0012-7353</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0012-73532019000100102</article-id>
<article-id pub-id-type="doi">10.15446/dyna.v86n208.72056</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Hybrid model to design a distribution network in contract farming]]></article-title>
<article-title xml:lang="es"><![CDATA[Modelo hibrido para diseńar una red de distribución en la agricultura por contrato]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Granillo-Macias]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gonzalez-Hernandez]]></surname>
<given-names><![CDATA[Isidro J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martinez-Flores]]></surname>
<given-names><![CDATA[Jose L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caballero-Morales]]></surname>
<given-names><![CDATA[Santiago O.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olivares-Benitez]]></surname>
<given-names><![CDATA[Elias]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autonoma del Estado de Hidalgo Escuela Superior de Cd ]]></institution>
<addr-line><![CDATA[Hidalgo ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Popular Autonoma del Estado de Puebla  ]]></institution>
<addr-line><![CDATA[Puebla ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Panamericana Facultad de Ingenieria ]]></institution>
<addr-line><![CDATA[Jalisco Mexico]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>86</volume>
<numero>208</numero>
<fpage>102</fpage>
<lpage>109</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0012-73532019000100102&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0012-73532019000100102&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0012-73532019000100102&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper suggests a hybrid model to solve a distribution problem incorporating the impact of uncertainty in the solution. The model combines the deterministic approach and the simulation including stochastic variables such as harvest yield, loss risk and penalties/benefits to design a distribution network with the minimal cost. Through a case study that includes farmers, hubs and malt producers in the supplying chain of barley in Mexico, nine possible scenarios were analyzed to plan and distribute the harvested grain based on contract farming. This approach gets an optimal solution through an iterative process simulating the suggested solution by a mixed-integer linear programming model under uncertain conditions. The results show the convenience of maintaining the operation between four and five hubs depending on the possible scenario; besides, the variation of the levels of the barley producers&#8217; capacities are key elements in the planning to minimize the distribution cost throughout the suggested chain]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este artículo se plantea un modelo hibrido para resolver un problema de distribución incorporando el impacto de la incertidumbre en la solución. El modelo combina el enfoque determinista y la simulación de eventos discretos incluyendo variables estocásticas como los rendimientos en la cosecha, siniestralidad y penalidades/bonificaciones para el diseńo una red de distribución con el costo mínimo. Mediante un caso de estudio que incluye granjeros, hubs y procesadores de malta en la cadena de suministro de la cebada en México, se analizaron nueve posibles escenarios para la planeación de la distribución basado en la agricultura por contrato. Este enfoque obtiene una solución óptima simulando la solución propuesta por un modelo de programación lineal entera mixta bajo condiciones de incertidumbre. Los resultados muestran la conveniencia de mantener en operación entre cuatro a cinco hubs dependiendo del posible escenario, además la variación en los niveles de las capacidades de los procesadores de malta son elementos clave en la planeación para minimizar el costo de distribución a lo largo de la cadena propuesta.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[agriculture]]></kwd>
<kwd lng="en"><![CDATA[logistic]]></kwd>
<kwd lng="en"><![CDATA[optimization]]></kwd>
<kwd lng="en"><![CDATA[simulation]]></kwd>
<kwd lng="es"><![CDATA[agricultura]]></kwd>
<kwd lng="es"><![CDATA[logistica]]></kwd>
<kwd lng="es"><![CDATA[optimizacion]]></kwd>
<kwd lng="es"><![CDATA[simulación]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>[1]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Keizer]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Haijema]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Bloemhof]]></surname>
<given-names><![CDATA[J.M]]></given-names>
</name>
<name>
<surname><![CDATA[Van Der Vorst]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hydrid optimization and simulation to design a logistics network for distributing perishable products.]]></article-title>
<source><![CDATA[Computers and Industrial Engineering]]></source>
<year>2015</year>
<volume>88</volume>
<page-range>26-38</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>[2]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Farahani]]></surname>
<given-names><![CDATA[R.Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Rezapour]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Drezner]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Fallah]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Competitive supply chain network design: an overview of classifications, models, solution techniques and applications.]]></article-title>
<source><![CDATA[Omega]]></source>
<year>2014</year>
<volume>45</volume>
<page-range>92-118</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>[3]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Borodin]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Bourtembourg]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hnaien]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Labadie]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Handling uncertainty in agricultural supply chain management: a state of the art.]]></article-title>
<source><![CDATA[European Journal of Operational Research]]></source>
<year>2016</year>
<volume>2</volume>
<page-range>348-59</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>[4]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Echanove]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Steffen]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Agribusiness and farmers in Mexico: the importance of contractual relations.]]></article-title>
<source><![CDATA[Geograph J.]]></source>
<year>2005</year>
<volume>171</volume>
<page-range>166-76</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>[5]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lence]]></surname>
<given-names><![CDATA[S.H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Modeling the market and welfare effects of Mexico&#8217;s &#8220;Agriculture by Contract&#8221; program.]]></article-title>
<source><![CDATA[American Journal of Agricultural Economics]]></source>
<year>2016</year>
<volume>98</volume>
<page-range>925-45</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>[6]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baozhuang]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Delong]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Xujin]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Coordination of channel members&#8217; efforts and utilities in CF operations.]]></article-title>
<source><![CDATA[European Journal of Operational Research]]></source>
<year>2016</year>
<volume>3</volume>
<page-range>869-83</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>[7]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Houtian]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Nolan]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gray]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Goetz]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Han]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Supply chain complexity and risk mitigation a hybrid optimization-simulation model.]]></article-title>
<source><![CDATA[International Journal of Production Economics]]></source>
<year>2016</year>
<volume>179</volume>
<page-range>228-38</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>[8]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Acar]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Kadipasaoglu]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Day]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Incorporating uncertainty in optimal decision making: Integrating mixed integer programming and simulation to solve combinatorial problems.]]></article-title>
<source><![CDATA[Computers &amp; Industrial Engineering]]></source>
<year>2009</year>
<volume>56</volume>
<page-range>106-12</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>[9]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bjorndal]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Herrero]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Newman]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Romero]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Weintraub]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Operations research in the natural resource industry.]]></article-title>
<source><![CDATA[Int. Trans. Oper. Res]]></source>
<year>2012</year>
<volume>19</volume>
<page-range>39-62</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>[10]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pourya]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Kyoung]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The new generation of operations research methods in supply chain optimization: a review.]]></article-title>
<source><![CDATA[Sustainability]]></source>
<year>2016</year>
<volume>8</volume>
<page-range>1-23</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>[11]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Houtian]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Gray]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Nolan]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Agricultural supply chain optimization and complexity: a comparison of analytic vs simulated solutions and policies.]]></article-title>
<source><![CDATA[International Journal of Production Economics]]></source>
<year>2015</year>
<volume>159</volume>
<page-range>208-20</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>[12]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Almeder]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Preusser]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hartl]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Simulation and optimization of supply chains: alternative or complementary approaches?.]]></article-title>
<source><![CDATA[OR Spectr]]></source>
<year>2009</year>
<volume>31</volume>
<page-range>95-119</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>[13]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nourbakhsh]]></surname>
<given-names><![CDATA[S.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bai]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Guilherme]]></surname>
<given-names><![CDATA[D.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Ouyang]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodriguez]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Grain supply chain network design and logistics planning for reducing post-harvest loss.]]></article-title>
<source><![CDATA[Biosystems Engineering]]></source>
<year>2016</year>
<volume>51</volume>
<page-range>105-15</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>[14]</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Köksalan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Süral]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Özpeynirci]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Network redesign in Turkey: the supply production, and distribution of malt and beer. In: Handbook of Global Logistics; Bookbinder J.H]]></source>
<year>2012</year>
<page-range>246-57</page-range><publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<label>[15]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Skevas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Stefanou]]></surname>
<given-names><![CDATA[S.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Lansink]]></surname>
<given-names><![CDATA[A.O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pesticide use, environmental spillovers and efficiency: a DEA risk-adjusted efficiency approach applied to dutch arable farming.]]></article-title>
<source><![CDATA[European Journal of Operational Research]]></source>
<year>2014</year>
<volume>237</volume>
<page-range>658-64</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>[16]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fischer]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ermolieva]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Ermoliev]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risk-adjusted approaches for planning sustainable agricultural development.]]></article-title>
<source><![CDATA[Stochastic Environmental Research and Risk Assessment]]></source>
<year>2009</year>
<volume>23</volume>
<page-range>441-50</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>[17]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Köksalan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Süral]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efes beverage group makes location and distribution decisions for its malt plants.]]></article-title>
<source><![CDATA[Interfaces]]></source>
<year>1999</year>
<volume>29</volume>
<page-range>89-103</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>[18]</label><nlm-citation citation-type="">
<collab>FAO</collab>
<article-title xml:lang=""><![CDATA[Food and agriculture organization of the United Nations Statistics]]></article-title>
<source><![CDATA[]]></source>
<year>2018</year>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
