<?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>0187-7380</journal-id>
<journal-title><![CDATA[Revista fitotecnia mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. fitotec. mex]]></abbrev-journal-title>
<issn>0187-7380</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Fitogenética A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-73802025000200133</article-id>
<article-id pub-id-type="doi">10.35196/rfm.2025.2.133</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto del manejo mecánico de arvenses en el rendimiento de maíz en valles altos de México]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of mechanical weed management on maize yield in high lands of Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Vázquez]]></surname>
<given-names><![CDATA[Benjamín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivas-García]]></surname>
<given-names><![CDATA[Tomás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vazquez-Robles]]></surname>
<given-names><![CDATA[Luis Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campos-Mariscal]]></surname>
<given-names><![CDATA[Camilo Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Schwentesius-Rindermann]]></surname>
<given-names><![CDATA[Rita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Chapingo  ]]></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[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>48</volume>
<numero>2</numero>
<fpage>133</fpage>
<lpage>140</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-73802025000200133&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-73802025000200133&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-73802025000200133&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Es importante mantener al cultivo de maíz sin competencia con arvenses, principalmente durante los primeros 40 días del periodo vegetativo, no hacerlo puede representar perdidas hasta de 80 % en el rendimiento de grano, además de incrementar los costos de manejo y cosecha, y baja calidad. Con el objetivo de tener alternativas no químicas para el manejo de arvenses, se evaluaron diferentes implementos para el control mecánico y se compararon con dos testigos en parcelas con diseño de bloques completos al azar. Los tratamientos fueron: T1) testigo (sin deshierbe), T2) control manual, T3) aporcador Ridge 2, T4) fresadora manual, T5) arado rotativo-groundblaster, y T6) cultivadora + aporque montada al tractor. Se encontró que el control con el aporcador Ridge 2 tuvo una eficacia de 73.24 % y el rendimiento de grano del cultivo fue de 6600 kg ha-1, mientras que los otros tratamientos mecánicos tuvieron valores superiores a 67.00 %. El uso de implementos para el control mecánico es una alternativa viable para reducir el uso de herbicidas sintéticos; sin embargo, es necesario implementar un manejo integrado que involucre otras actividades y herramientas o insumos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary It is important to keep the maize crop free from weed competition, especially during the first 40 days of the growing season. Failure to do so may result in losses of up to 80 % in grain yield, increased management and harvesting costs, and poor quality. In order to have non-chemical alternatives for weed management, different implements for mechanical control were evaluated and compared with two controls in plots under a randomized complete block design. The treatments were: T1) check (without weeding), T2) manual control, T3) Ridge 2 hiller, T4) manual milling machine, T5) rotary plow-groundblaster, and T6) cultivator + hilling machine coupled to tractor. It was found that the control with Ridge 2 hiller had an efficacy of 73.24 % and the grain yield of the crop was 6600 kg ha-1, while the other mechanical treatments had values higher than 67.00 %. The use of implements for mechanical control is a viable alternative to reduce the use of synthetic herbicides; however, it is necessary to implement an integrated management involving other activities and tools or inputs.]]></p></abstract>
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<kwd lng="es"><![CDATA[eficacia]]></kwd>
<kwd lng="es"><![CDATA[fenología]]></kwd>
<kwd lng="es"><![CDATA[rendimiento]]></kwd>
<kwd lng="en"><![CDATA[agroecology]]></kwd>
<kwd lng="en"><![CDATA[efficacy]]></kwd>
<kwd lng="en"><![CDATA[phenology]]></kwd>
<kwd lng="en"><![CDATA[yield]]></kwd>
</kwd-group>
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