<?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>S2007-09342024000400111</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v15i4.3336</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Acrilato de potasio para reducir el uso de agua en tomate de invernadero]]></article-title>
<article-title xml:lang="en"><![CDATA[Potassium acrylate to reduce water use in greenhouse tomato cultivation]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Moreno]]></surname>
<given-names><![CDATA[Alicia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cano-Ríos]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quiroga-Garza]]></surname>
<given-names><![CDATA[Héctor Mario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinoza-Arellano]]></surname>
<given-names><![CDATA[José de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz-Soto]]></surname>
<given-names><![CDATA[Rubí]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes-Carrillo]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro  ]]></institution>
<addr-line><![CDATA[Torreón Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Coahuila Facultad de Contaduría y Administración ]]></institution>
<addr-line><![CDATA[Torreón Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>07</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>07</month>
<year>2024</year>
</pub-date>
<volume>15</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342024000400111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342024000400111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342024000400111&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los hidrogeles son materiales que absorben grandes cantidades de agua y se han utilizado para fines hortícolas. El objetivo de este trabajo fue hacer una evaluación técnica y económica del uso del hidrogel acrilato de potasio (AP) para reducir el consumo de agua en el cultivo de tomate utilizando tres dosis de AP (0, 3 y 6 g L-1 de sustrato), dos sustratos (arena y la mezcla: 50% arena - 40% compost - 10% perlita) y dos variedades (Aquiles y Moctezuma). El trabajo experimental se llevó a cabo en uno de los invernaderos de la Universidad Autónoma Agraria Antonio Narro, Unidad Laguna, en la ciudad de Torreón, Coahuila, México durante el ciclo primavera verano de 2020. El diseño experimental fue en bloques al azar, 12 tratamientos y cuatro repeticiones. Las variables evaluadas fueron: altura de planta, grosor del tallo, diámetro polar y ecuatorial del fruto, grosor de pulpa, número de lóculos, grados Brix, rendimiento y huella hídrica. El análisis económico se basó en la metodología de presupuesto parcial propuesta por el Centro Internacional de Maíz y Trigo para el análisis de experimentos. No se encontraron diferencias estadísticas en la calidad de fruto. El rendimiento se incrementó con AP y la huella hídrica se redujo. El ingreso marginal (Img) superó al costo marginal (Cmg) en las dos dosis de AP analizadas. El AP ahorró agua (20.1% y 21.1%) cuando se incorporó a mezcla de sustrato, aumentó el rendimiento (25.1 t ha-1), mejoró el ingreso (Img&gt; Cmg) y mantuvo la calidad de los frutos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Hydrogels are materials that absorb large amounts of water and have been used for horticultural purposes. This work aimed to make a technical and economic assessment of the use of potassium acrylate (PA) hydrogel to reduce water consumption in tomato cultivation by using three doses of PA (0, 3 and 6 g L-1 substrate), two substrates (sand and mixture: 50% sand - 40% compost - 10% perlite) and two varieties (Aquiles and Moctezuma). The experimental work was carried out in one of the greenhouses of the Antonio Narro Autonomous Agrarian University, Laguna Unit, in the city of Torreón, Coahuila, Mexico, during the spring-summer cycle of 2020. The experimental design was in randomized blocks, 12 treatments and four repetitions. The variables evaluated were: plant height, stem thickness, polar and equatorial diameter of the fruit, pulp thickness, number of locules, degrees Brix, yield, and water footprint. The economic analysis was based on the partial budget methodology proposed by the International Maize and Wheat Center for the analysis of experiments. No statistical differences were found in fruit quality. Yield increased with PA and the water footprint decreased. Marginal income (MgI) exceeded marginal cost (MgC) in the two doses of PA analyzed. PA saved water (20.1% and 21.1%) when incorporated into the substrate mixture, increased yield (25.1 t ha-1), improved income (MgI&gt;MgC) and maintained fruit quality.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Solanum lycopersicum]]></kwd>
<kwd lng="es"><![CDATA[hidrogel]]></kwd>
<kwd lng="es"><![CDATA[huella hídrica]]></kwd>
<kwd lng="es"><![CDATA[sustratos]]></kwd>
<kwd lng="en"><![CDATA[Solanum lycopersicum]]></kwd>
<kwd lng="en"><![CDATA[hydrogel]]></kwd>
<kwd lng="en"><![CDATA[substrates]]></kwd>
<kwd lng="en"><![CDATA[water footprint]]></kwd>
</kwd-group>
</article-meta>
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