<?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>1390-8596</journal-id>
<journal-title><![CDATA[LA GRANJA. Revista de Ciencias de la Vida ]]></journal-title>
<abbrev-journal-title><![CDATA[La Granja]]></abbrev-journal-title>
<issn>1390-8596</issn>
<publisher>
<publisher-name><![CDATA[Universidad Politécnica Salesiana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1390-85962026000100079</article-id>
<article-id pub-id-type="doi">10.17163/lgr.n43.2026.04</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Puntos críticos y dinámicas socioecológicas del tomate (Solanum lycopersicum L.) bajo cubierta en núcleos productivos colombianos]]></article-title>
<article-title xml:lang="en"><![CDATA[Critical points and socio-ecological dynamics of tomato (Solanum lycopersicum L.) cultivation in low-tech greenhouse systems in Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Robayo]]></surname>
<given-names><![CDATA[Karla Juliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pulido-Blanco]]></surname>
<given-names><![CDATA[Víctor Camilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno-Velandia]]></surname>
<given-names><![CDATA[Carlos Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas-Ramírez]]></surname>
<given-names><![CDATA[Diego Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espitia-Malagón]]></surname>
<given-names><![CDATA[Eduardo María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camelo-Rusinque]]></surname>
<given-names><![CDATA[Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villarreal-Navarrete]]></surname>
<given-names><![CDATA[Andrea del Pilar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<given-names><![CDATA[Yajaira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Agrosavia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Agrosavia. C.I  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Agrosavia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Agrosavia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Agrosavia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Agrosavia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Agrosavia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,Agrosavia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2026</year>
</pub-date>
<volume>43</volume>
<numero>1</numero>
<fpage>79</fpage>
<lpage>99</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_arttext&amp;pid=S1390-85962026000100079&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_abstract&amp;pid=S1390-85962026000100079&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_pdf&amp;pid=S1390-85962026000100079&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La producción de tomate en Colombia enfrenta el reto de equilibrar las demandas de mercado y disminuir el impacto sobre los ecosistemas. Aunque la productividad del cultivo ha aumentado, la dependencia de insumos externos como productos fitosanitarios, fertilizantes e infraestructura que generan residuos sigue siendo alta, por lo que transitar hacia un sistema productivo sostenible requiere el reconocimiento de los aspectos positivos y de mejora. Por lo anterior, el objetivo de este estudio es identificar puntos críticos del cultivo de tomate bajo cubierta en dos regiones geográficas diferentes de Colombia. Para esto, se usó el enfoque del marco de sistemas socioecológicos para facilitar la transición hacia sistemas productivos sostenibles. La metodología contempló la selección de 13 variables y 33 tópicos de análisis que fueron recogidos a través de la aplicación de entrevistas semiestructuradas a actores clave (32) y estructuradas a productores (124), identificándose 14 puntos críticos de los componentes sociales, ambientales y productivos, categorizados en: sistema de unidades y recursos, gobernanza, actores y sistemas productivos, e interacciones. Se destacaron los servicios ecosistémicos de provisión de agua y suelo, la tenencia de la tierra, la adopción de tecnologías y las prácticas de reducción de contaminantes. Estos puntos son clave para impulsar un cambio hacia una producción sostenible en las regiones estudiadas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Tomato cultivation in Colombia must balance market demands while minimizing environmental impact. Despite productivity improvements, it still depends on external inputs such as phytosanitary products, fertilizers, and infrastructure that produce waste. Hence, the transition to sustainable cropping requires recognition of positive aspects and areas for improvement. This study aims to identify critical points in tomato cultivation under low-tech greenhouses in two different geographic regions in Colombia. The socio-ecological systems framework was adopted to promote a transition to sustainable production. The methodology considered the selection of 13 variables and 33 topics of analysis collected through the application of semi-structured interviews with key actors (32) and structured interviews with tomato producers (124). Fourteen critical points were identified across social, environmental, and productive components, categorized into: system of units and resources, governance, actors and production systems, and interactions. Notable points include ecosystem services related to water and soil provision, land tenure, technology adoption, and pollutant reduction practices. These points are crucial for driving a shift towards sustainable production in the regions studied.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Sostenibilidad]]></kwd>
<kwd lng="es"><![CDATA[invernaderos]]></kwd>
<kwd lng="es"><![CDATA[plaguicidas]]></kwd>
<kwd lng="es"><![CDATA[residuos]]></kwd>
<kwd lng="es"><![CDATA[inocuidad]]></kwd>
<kwd lng="es"><![CDATA[prácticas sustentables.]]></kwd>
<kwd lng="en"><![CDATA[Sustainability]]></kwd>
<kwd lng="en"><![CDATA[greenhouses]]></kwd>
<kwd lng="en"><![CDATA[pesticides]]></kwd>
<kwd lng="en"><![CDATA[residues]]></kwd>
<kwd lng="en"><![CDATA[food safety]]></kwd>
<kwd lng="en"><![CDATA[sustainable practices.]]></kwd>
</kwd-group>
</article-meta>
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