<?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>S0187-73802020000400371</article-id>
<article-id pub-id-type="doi">10.35196/rfm.2020.4.371</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Rotación de trigo, maíz y cártamo en labranza de conservación vs. labranza tradicional]]></article-title>
<article-title xml:lang="en"><![CDATA[Wheat, maize and safflower rotation in conservation tillage vs. traditional tillage]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Borbón-Gracia]]></surname>
<given-names><![CDATA[Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lugo-García]]></surname>
<given-names><![CDATA[Gabriel A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes-Olivas]]></surname>
<given-names><![CDATA[Álvaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valenzuela-Herrera]]></surname>
<given-names><![CDATA[Víctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sauceda-Acosta]]></surname>
<given-names><![CDATA[Carlos P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Sinaloa Facultad de Agricultura del Valle del Fuerte Colegio de Ciencias Agropecuarias]]></institution>
<addr-line><![CDATA[Ahome Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Valle de Culiacán ]]></institution>
<addr-line><![CDATA[Culiacán Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>43</volume>
<numero>4</numero>
<fpage>371</fpage>
<lpage>378</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-73802020000400371&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-73802020000400371&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-73802020000400371&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La rentabilidad de los granos básicos requiere mejorar en el noroeste de México; una opción para lograrlo es reducir el laboreo mecánico y el empleo de la rotación de cultivos, pero es necesario evaluar el rendimiento y la relación costo-beneficio en labranza de conservación (LC) y en rotación de cultivos. El objetivo del presente estudio fue evaluar la LC con rotación entre trigo (Triticum durum Desf.), maíz (Zea mays L.) y cártamo (Carthamus tinctorius L.), comparada con el sistema de labranza tradicional (LT) durante los ciclos otoño-invierno 2014-2015, 2015-2016 y 2016-2017, en el sur de Sonora, México. Se utilizó la variedad de trigo CIRNO C2008, el híbrido de maíz Garañón y la variedad de cártamo CIANO-OL. La siembra del trigo fue a doble hilera, con una densidad de 100 kg ha-1 de semilla, el maíz y cártamo a hilera sencilla con 100,000 y 170,000 semillas ha-1, respectivamente. Se utilizó un diseño experimental completamente al azar con arreglo factorial, los tratamientos fueron los cultivos trigo, maíz y cártamo con y sin rotación entre sí en LC, y sin rotación en LT. La parcela experimental constó de ocho surcos de 0.8 m de ancho por 100 m de largo. Se midió altura de planta, días a floración, días a madurez fisiológica, peso de 1000 granos y rendimiento de grano. El rendimiento de trigo/cártamo en LC (7255 kg ha-1) fue superior a trigo/trigo en LT (P &#8804; 0.05). El rendimiento de maíz/maíz en LT y maíz/ trigo en LC fue estadísticamente igual (P &#8804; 0.05), pero maíz/trigo en LC mostró mayor relación beneficio-costo. Cártamo/trigo en LC, con 2763 kg ha-1, fue estadísticamente superior (P &#8804; 0.05) a cártamo/cártamo en LT. Los rendimientos de trigo, maíz y cártamo en LC fueron favorecidos por la rotación de cultivos, lo cual mejora la relación beneficio-costo y la utilidad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[SUMMARY Profitability of staple grains requires improvement in Northwest Mexico; one option to achieve this is to reduce mechanical tillage and the use of crop rotation, but it is necessary to evaluate the yield and the cost-benefit ratio in conservation tillage (CT) and crop rotation. The objective of this study was to evaluate the CT with rotation between wheat (Triticum durum Desf.), maize (Zea mays L.) and safflower (Carthamus tinctorius L.) compared to the traditional tillage system (TT), during the 2014-2015, 2015-2016 and 20162017 Autumn-Winter cycles, in Southern Sonora, Mexico. CIRNO C2008 wheat variety, Garañón corn hybrid, and CIANO-OL safflower variety were used. Wheat planting was in double-row with a density of 100 kg ha-1 of seed, maize and safflower in single-row with 100,000 and 170,000 seeds ha-1, respectively. Plant height, days to flowering and physiological maturity, the weight of 1000 grains, and grain yield were measured in all crops. A completely randomized experimental design with factorial arrangement was used, the treatments were wheat, corn and safflower crops with and without rotation with each other in CT and without rotation in TT. The experimental plot consisted of eight rows 0.8 m wide and 100 m long. Plant height, days to flowering, days to physiological maturity, weight of 1000 grains and grain yield were measured. Yield of wheat/safflower in CT (7255 kg ha-1) was higher than wheat/wheat in TT (P &#8804; 0.05). The yield of maize/maize in TT and maize/wheat in CT was statistically equal (P &#8804; 0.05), but maize/wheat in CT showed a higher benefitcost ratio. Safflower/wheat in CT, with 2763 kg ha-1, was statistically higher (P &#8804; 0.05) than safflower/safflower in TT. Wheat, maize and safflower yields in CT were favored by crop rotation, which improves profit-cost ratio and gain.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Carthamus tinctorius]]></kwd>
<kwd lng="es"><![CDATA[Triticum durum]]></kwd>
<kwd lng="es"><![CDATA[Zea mays]]></kwd>
<kwd lng="es"><![CDATA[rentabilidad]]></kwd>
<kwd lng="en"><![CDATA[Carthamus tinctorius]]></kwd>
<kwd lng="en"><![CDATA[Triticum durum]]></kwd>
<kwd lng="en"><![CDATA[Zea mays]]></kwd>
<kwd lng="en"><![CDATA[profitability]]></kwd>
</kwd-group>
</article-meta>
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