<?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>S2007-09342016001102899</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Escuelas de campo en México: un análisis a partir de redes sociales]]></article-title>
<article-title xml:lang="en"><![CDATA[Farmer schools in Mexico: an analysis from social networks]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz Jiménez]]></surname>
<given-names><![CDATA[Bersaín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez Sánchez]]></surname>
<given-names><![CDATA[Leobardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rendón Medel]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz José]]></surname>
<given-names><![CDATA[Julio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Istmo  ]]></institution>
<addr-line><![CDATA[Santo Domingo Tehuantepec Oaxaca]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma Chapingo  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>spe15</numero>
<fpage>2899</fpage>
<lpage>2907</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342016001102899&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342016001102899&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342016001102899&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La apropiación y trasmisión de conocimientos de productor a productor, es el principio de las escuelas de campo; en ese sentido, el capital social es importante en las relaciones individuales y colectivas. La metodología de las escuelas de campo ha sido probada en comunidades rurales para incrementar el conocimiento entre productores. El objetivo del presente artículo fue analizar los flujos de conocimientos de tecnología en la producción de jitomate (Lycopersicon esculentum) en invernadero, estimando parámetros de redes sociales al inicio de las escuelas de campo en 2010 y a su término en 2011. Se trabajó con productores de pequeña escala del medio rural en el estado de Oaxaca que participaron en las escuelas de campo para la transferencia de tecnología. La selección de la muestra fue dirigida tomando productores asistentes y no asistentes a las escuelas de campo. Después del proceso de las escuelas de campo, las relaciones de entrada y salida de información sobre tecnología aumentaron en 28% y las relaciones entre los productores para tener acuerdos o compartir recursos se incrementaron en los participantes en las escuelas. En general, productores que participaron en las escuelas de campo, obtuvieron mejores relaciones de comunicación, mejor accesos a la tecnología y mejoraron los rendimientos en la producción.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Ownership and transfer of knowledge from producer to producer, is the beginning of farmer schools; in that sense, social capital is important in individual and collective relations. The methodology of farmer schools has been tested in rural communities to increase awareness among producers. The aim of this paper was to analyze knowledge flows of technology in the production of tomato (Lycopersicon esculentum) in a greenhouse, estimating parameters of social networks at the beginning of the farmer schools in 2010 and his term in 2011. They worked with producers small-scale rural in the state of Oaxaca who participated in the farmer schools for technology transfer. The sample selection was conducted by taking attendees producers and not attending farmer schools. After the process of farmer schools, relationships of input and output information technology increased by 28% and relationships between producers to have agreements or share resources increased participants in schools. In general, producers who participated in the farmer schools performed better communication relationships, better access to technology and improved production yields.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[agente de cambio]]></kwd>
<kwd lng="es"><![CDATA[análisis de redes sociales]]></kwd>
<kwd lng="es"><![CDATA[escuelas de campo]]></kwd>
<kwd lng="es"><![CDATA[flujos de conocimientos]]></kwd>
<kwd lng="en"><![CDATA[agent of change]]></kwd>
<kwd lng="en"><![CDATA[farmer schools]]></kwd>
<kwd lng="en"><![CDATA[knowledge flows]]></kwd>
<kwd lng="en"><![CDATA[social network analysis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Braun]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiggins]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Röling]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[van den Berg]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Snijders]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[A global survey and review of farmer field school experiences. Report prepared for ILRI. Endelea]]></source>
<year>2006</year>
<page-range>91</page-range><publisher-loc><![CDATA[Wageningen, The Nethrelands ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Orozco]]></surname>
<given-names><![CDATA[C. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[S. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Estrella]]></surname>
<given-names><![CDATA[Ch. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[V. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Peña]]></surname>
<given-names><![CDATA[O. B. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramos]]></surname>
<given-names><![CDATA[S. Á.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[G. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Escuelas de campo y disponibilidad alimentaria en una región indígena de México]]></article-title>
<source><![CDATA[Estudios Sociales]]></source>
<year>2008</year>
<volume>16</volume>
<numero>32</numero>
<issue>32</issue>
<page-range>207-26</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Davis]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Nkonya]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Kato]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Mekonnen]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Odendo]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Miiro]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Nkuba]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact of farmer field schools on agricultural productivity and poverty in East Africa]]></article-title>
<source><![CDATA[World Development]]></source>
<year>2012</year>
<volume>40</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>402-13</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Díaz-José]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Rendón-Medel]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilar-Ávila]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz- Rodríguez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis dinámico de redes en la difusión de innovaciones agrícolas]]></article-title>
<source><![CDATA[Rev. Mex. Cienc. Agríc.]]></source>
<year>2013</year>
<volume>4</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1095-102</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Duveskog]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Friis-Hansen]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Taylor]]></surname>
<given-names><![CDATA[E. W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Farmer field schools in rural Kenya: a transformative learning experience]]></article-title>
<source><![CDATA[J. Dev. Stud.]]></source>
<year>2011</year>
<volume>47</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1529-44</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="">
<collab>FAO</collab>
<source><![CDATA[Escuelas de campo para la agricultores (ECAs) en el PESA- Nicaragua. Una experiencia participativa de extensión para contribuir a la seguridad alimentaria y nutrición en Nicaragua. Ministerio de Asuntos Exteriores y de Cooperación]]></source>
<year>2005</year>
<page-range>27</page-range><publisher-loc><![CDATA[Honduras ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Feder]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Murgai]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Quizon]]></surname>
<given-names><![CDATA[J. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sending farmers back to school: the impact of farmer field schools in Indonesia]]></article-title>
<source><![CDATA[Appl. Econ. Persp. Policy]]></source>
<year>2004</year>
<volume>26</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>45-62</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[G. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[S. L.]]></given-names>
</name>
<name>
<surname><![CDATA[León]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Figueroa]]></surname>
<given-names><![CDATA[R. O. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[G. M.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[R. V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Escuelas de campo, para capacitación y divulgación con tecnologías sustentables en comunidades indígenas]]></article-title>
<source><![CDATA[Agric. Téc. Méx.]]></source>
<year>2008</year>
<volume>34</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>33-42</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Larsen]]></surname>
<given-names><![CDATA[A. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Lilleør]]></surname>
<given-names><![CDATA[H. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Beyond the field: The impact of farmer field schools on food security and poverty alleviation]]></article-title>
<source><![CDATA[World Development]]></source>
<year>2014</year>
<volume>64</volume>
<page-range>843-59</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Monge]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hartwich]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Halgin]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[How Change Agents and Social Capital Influence the Adoption of Innovations among Small Farmers. Evidence from Social Networks in Rural Bolivia]]></source>
<year>2008</year>
<page-range>76</page-range><publisher-loc><![CDATA[Washington, D. C., USA ]]></publisher-loc>
<publisher-name><![CDATA[International Food Policy Research Institute]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nowak]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Five rules for the evolution of cooperation]]></article-title>
<source><![CDATA[Science]]></source>
<year>2006</year>
<volume>314</volume>
<numero>5805</numero>
<issue>5805</issue>
<page-range>1560-3</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Orozco]]></surname>
<given-names><![CDATA[C. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Escuelas de campo y adopción de tecnología en laderas]]></source>
<year>2008</year>
<page-range>217</page-range><publisher-loc><![CDATA[Puebla, México ]]></publisher-loc>
<publisher-name><![CDATA[Colegio de Postgraduados]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rendón]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[Á. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz]]></surname>
<given-names><![CDATA[R. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Altamirano]]></surname>
<given-names><![CDATA[C. J. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Identificación de actores clave para la gestión de la innovación: el uso de redes sociales. Agencia para la gestión de la innovación]]></source>
<year>2007</year>
<edition>Primera</edition>
<page-range>51</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Autónoma de Chapingo (UACh)-CIESTAAM/PIIAI]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Simmel]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The sociology of secrecy and of secret societies]]></article-title>
<source><![CDATA[Am. J. Sociol.]]></source>
<year>1906</year>
<volume>11</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>441-98</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Spielman]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Davis]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Negash]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ayele]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rural innovation systems and networks: findings from a study of Ethiopian smallholders]]></article-title>
<source><![CDATA[Agriculture and human values]]></source>
<year>2011</year>
<volume>28</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>195-212</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vollan]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ostrom]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cooperation and the Commons]]></article-title>
<source><![CDATA[Science]]></source>
<year>2010</year>
<volume>330</volume>
<numero>6006</numero>
<issue>6006</issue>
<page-range>923-4</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yorobe]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rejesus]]></surname>
<given-names><![CDATA[R. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hammig]]></surname>
<given-names><![CDATA[M. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Insecticide use impacts of integrated pest management (IPM) Farmer Field Schools: evidence from onion farmers in the Philippines]]></article-title>
<source><![CDATA[Agric. Sys.]]></source>
<year>2011</year>
<volume>104</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>580-7</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
